Ostrom Energy Downloads & RevenueOstrom Energy - Smart & Green · App Store & Google Play
Ostrom Energy - Smart & Green gets 500+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
Ostrom Energy - Smart & Green by Ostrom GmbH is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
Ostrom Energy - Smart & Green update history & changes
Last change · 20 events since 27 May 2021Full timeline ↓📈iOSEntered the top 100⭐iOSRatings pace up +108%📦iOSUpdated to version 6.4.0📦iOSNow updating weekly📦AndroidUpdated to version 6.4.0📦AndroidUpdated to version 6.3.2📈AndroidEntered the top 10🆕iOSFirst spotted by AppInsider🆕AndroidFirst spotted by AppInsider🆕iOSReleased on the App Store🆕AndroidReleased on Google Play
Full timeline · 20 events
- 📈Ostrom Energy - Smart & Green entered the top 100iOSTop Free · Utilities · DE
- 📦Ostrom Energy - Smart & Green updated to version 6.4.0iOS- Unter Vertrag findest du jetzt einen Bereich zum Widerruf. Die Seite öffnet sich in der Sprache deiner Ostrom App.
- Bei der Anmeldung kannst du einen Jahresverbrauch von 1 bis 99.999 kWh angeben.
- Der Button zum Einlösen deines Bonus bleibt ausgeblendet, solange dein Vertrag noch nicht aktiv ist. Er bleibt auch ausgeblendet, wenn dein Vertrag abgelaufen ist und die Abschlussrechnung bereits erstellt wurde.
- Fehlerbehebungen: Der Preisgraph zeigt einen Strompreis von 0 korrekt an. Der Hinweis zum Eigenständigen Zähler öffnet sich beim Hinzufügen eines Wechselrichters wieder. Auf Android bleibt die Eingabe für den Zählerstand über der Tastatur sichtbar.… more - 📦Ostrom Energy - Smart & Green: now updating weeklyiOS4 updates in 30 days, after a quiet two months
- 📦Ostrom Energy - Smart & Green updated to version 6.4.0Android- Under Contract, you can see the withdrawal button.
- During sign-up, you can enter a yearly usage up to 99.999 kWh.
- The button to redeem your bonus stays hidden while your contract is not active yet and when your contract has expired and the final invoice has already been created.
- The price graph shows an electricity price of 0 correctly. The independent meter help opens again when you add a solar inverter. On Android, the meter reading field stays visible above the keyboard.… more - 📦Ostrom Energy - Smart & Green updated to version 6.3.2iOS- If your session expires, the app signs you out and takes you back to the login screen.
- On the sign-up summary, the consent text is updated, including the link to the withdrawal policy. - 📦Ostrom Energy - Smart & Green updated to version 6.3.2Android- If your session expires, the app signs you out and takes you back to the login screen.
- On the sign-up summary, the consent text is updated, including the link to the withdrawal policy. - 📦Ostrom Energy - Smart & Green: now updating weeklyAndroid4 updates in 30 days, after a quiet two months
- 📦Ostrom Energy - Smart & Green updated to version 6.3.1AndroidIf your session expires, the app signs you out and takes you back to the login screen.
- 📦Ostrom Energy - Smart & Green updated to version 6.3.0iOS- On the yearly view, you can now see your estimated costs.
- The solar statistics tooltip shows your self-sufficiency in percent.
- Labels on the price graph and in solar statistics are updated.
- If you are not on SimplyDynamic, you can request an interim invoice in the app. Use an existing meter reading, or submit a new one.
- The payments screen shows your estimated balance, your monthly deposit, and the status of your invoices.
- The note on your monthly deposit shows the discount as a yearly amount.
- Fixes: Minor visual bugs across the app are resolved.… more - 📦Ostrom Energy - Smart & Green updated to version 6.3.0Android- On the yearly view, you can now see your estimated costs.
- The solar statistics tooltip shows your self-sufficiency in percent.
- Labels on the price graph and in solar statistics are updated.
- If you are not on SimplyDynamic, you can request an interim invoice in the app.
- The payments screen shows the status of your invoices.
- Fixes: Minor visual bugs across the app are resolved.… more - 📦Ostrom Energy - Smart & Green updated to version 6.2.0iOS- The price graph for SimplyDynamic users has a new look.
- Solar statistics are now on the home page for SimplyDynamic users. Tap to switch between the price graph and solar statistics.
- While a switch to SimplyDynamic is scheduled, you can't change your monthly deposit. If the switch is cancelled before it starts, you can change it again.
- When you activate NeoGrid for your battery storage, a new modal shows the requirements for NeoGrid AI.
- Fixes: Minor visual bugs across the app are resolved.… more - 📈Ostrom Energy - Smart & Green entered the top 10AndroidTop Free · House & Home · DE
- 📦Ostrom Energy - Smart & Green updated to version 6.2.0Android- The price graph for SimplyDynamic users has a new look.
- Solar statistics are now on the home page for SimplyDynamic users. Tap to switch between the price graph and solar statistics.
- While a switch to SimplyDynamic is scheduled, you can't change your monthly deposit.
- Activating NeoGrid for your battery storage now shows a modal with the requirements for NeoGrid AI.
- Fixes: Minor visual bugs resolved.… more - 🆕Ostrom Energy - Smart & Green first spotted by AppInsideriOS#7 in Top Free · Utilities · Germany
- 🆕Ostrom Energy - Smart & Green first spotted by AppInsiderAndroidGermany
- 📦Ostrom Energy - Smart & Green version 6.1.0iOS- Solar statistics now include a yearly view. Totals are shown below the graph, and tapping a bar shows the value for that hour, day or month.
- Tariff names on contract details are updated and now appear horizontally in the standard font.
- For Check24 and Verivox tariffs with a new customer bonus or an immediate bonus, your bonus is shown directly on your contract, with an explanation via the info icon.
- In charging sessions, we now tell you when we assume grid energy only, because your solar system is not recognized at your contract address.
- Fixes: your selected move-in date is used again at signup, and editing a payment method now shows the correct icon.… more - 📦Ostrom Energy - Smart & Green version 6.1.0Android- Solar statistics now include a yearly view. Totals are shown below the graph, and tapping a bar shows the value for that hour, day or month.
- Tariff names on contract details are updated.
- For Check24 and Verivox tariffs your bonus is shown directly on your contract, with an explanation via the info icon.
- In charging sessions, we now tell you when we assume grid energy only, because your solar system is not recognized at your contract address.… more - 🆕Ostrom Energy - Smart & Green released on the App StoreiOS
- 🆕Ostrom Energy - Smart & Green released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.5 ★
6.8k ratings, both stores
Measured
Best rank now
#6
Android · 
House & Home Free
House & Home FreeMeasured
New ratings a week
55
▲ +103% vs the 2 weeks before (App Store)
Measured
App Store
App details
App ID
1566216511
Publisher
Ostrom GmbH
Publisher country
Germany
On the store since
May 2021
5 years on the store
Minimum OS
iOS 16.6+
iPhone 8 and later
Devices
iPhone
Content rating
4+
Languages
2
EN DE
Size
94 MB
Also listed in
Lifestyle
Google Play
App details
App ID
com.ostrommobile
Publisher
Ostrom GmbH
Publisher country
Germany
Content rating
Everyone
Tech stack
Trackers and permissions of build v5.35.1, from the εxodus privacy report (CC BY-SA).
Trackers
8
Permissions
46
Trackers
Full permission listProSee plans
Ostrom Energy - Smart & Green downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | 100+ | 100k+ |
| Google Play | 100+ | 100k+ Measured |
| Total | 500+ Confidence | 500k+ Confidence |
How this is calculated
App Store: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Ostrom Energy - Smart & Green's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #92 Utilities Free | 1 of 30 countries | – | – |
| Google Play | #6 House & Home Free | 1 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisApp Store
New ratings a week
29
▲ +103% vs the 2 weeks before
Recent ratings
4.7★
vs 4.7★ lifetime
Review momentum
90/100
faster than 87% of Utilities apps
Google Play
New ratings a week
26
steady vs the 2 weeks before
Written reviews a week
under 1
Google Play
Recent ratings
3.9★
vs 3.9★ lifetime
Review momentum
54/100
faster than 58% of House and home apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.7 ★ | 4k |
| Google Play | 4.2 ★ | 2.8k 4 written reviews |
| Both stores | 4.5 ★ weighted by ratings | 6.8k |
What users say about Ostrom Energy - Smart & Green
From the 60 most recent Google Play reviews in the US.
Users report severe technical issues including app crashes, login failures, and bugs in meter reading inputs following recent updates. Customer service is heavily criticized for being inaccessible due to AI chatbots that fail to resolve billing errors or contract cancellations.
Mixed (47% of recent reviews give 4–5 stars). People like it for being easy to use, and helpful support. The main complaints are about recent updates, and crashes and bugs. Recent reviews are more negative than earlier ones.
What people like
- Ease of use: “Efficient and easy to navigate”
- Customer support: “after the customer support”
- Useful: “Happy customer and highly recommend them”
- Speed & performance: “The entire switch to Ostrom was smooth!”
Common complaints
- Updates: “But there is no update available”
- Crashes & bugs: “it's a bug, a neverending loop”
- Customer support: “The customer service is not good”
- Price & subscription: “Increased in price within a year!”
About Ostrom Energy - Smart & Green
Save up to 35% or up to 500 € on your energy bill annually! Ostrom is a smart green energy provider with a flexible monthly subscription that can be canceled anytime. Access our app in English or German!
As part of the Ostrom family, you gain full access to the Ostrom app, your one-stop solution to track your energy consumption, payments, CO₂ emissions saved, and more.
YOUR POWER USAGE
Use our app to understand your electricity usage compared to your monthly payments. Keep it updated by regularly adding your meter readings.
SMART METER & DYNAMIC TARIFF
Do you have a smart meter? We enable you to easily track your energy consumption hourly and get billed at the current hourly rate.
BILLING MANAGEMENT
Experienced a surge in power usage this month? Fine-tune your monthly deposit directly within the app, steering clear of any end-of-year additional charges. Browse through all your invoices, payments, and customize your payment method – all under one roof.
FRIENDLY SUPPORT
Our dedicated team is at your service in the chat. Connect with us through the app for exceptional customer service with lightning-fast response times.
CONNECT SMART DEVICES
Connect your Heating, Ventilation, or Air Conditioning (HVAC) to the Ostrom app to easily schedule & adjust your temperature and mode.
CHARGE YOUR EV EFFICIENTLY
Charge your electric vehicle during the cheapest, greenest hours with full transparency. Set the time you need your EV ready, and it will charge when prices are best.
OUR VIRTUAL POWER PLANT NEOGRID
Save not only on charging your EV with our "Smart Charging" feature – become part of our Virtual Power Plant (VPP) named NeoGrid and get paid for charging! By optimizing the purchase and sale of electricity, the Virtual Power Plant provides the electricity grid with flexibility and thus generates additional income - which we will pay out to all participants.
REFERRAL PROGRAM
Get your exclusive referral code, share it with your friends, and watch your referral bonuses grow. For each successful referral, you get 50 € credited to your invoice or 100 € credit to use in the Ostrom Store — your choice!
SHOP IN THE OSTROM STORE
The Ostrom Store has smart home devices, heating, e-mobility & more! Get a discount on products with the referral credit in your Wallet.
ENJOY PARTNER PERKS
As our valued customer, you can enjoy perks and benefits from our partner companies.
DISCOVER SOLAR PV PARTNERS
Ostrom partners with reputable solar photovoltaic providers to help bring the power of the sun to your home.
GREEN FOOTPRINT
Witness your positive environmental impact resulting from the switch to sustainable energy, and observe it magnify as you bring more individuals on board the Ostrom journey.
JOIN US NOW
Not a member of the Ostrom community yet? No worries! Sign-up takes just 5 minutes, and we'll manage all the administrative tasks, including notifying your previous provider.
Get smart and make the green switch today with Ostrom!
Disclaimer:
Our app is onl
As part of the Ostrom family, you gain full access to the Ostrom app, your one-stop solution to track your energy consumption, payments, CO₂ emissions saved, and more.
YOUR POWER USAGE
Use our app to understand your electricity usage compared to your monthly payments. Keep it updated by regularly adding your meter readings.
SMART METER & DYNAMIC TARIFF
Do you have a smart meter? We enable you to easily track your energy consumption hourly and get billed at the current hourly rate.
BILLING MANAGEMENT
Experienced a surge in power usage this month? Fine-tune your monthly deposit directly within the app, steering clear of any end-of-year additional charges. Browse through all your invoices, payments, and customize your payment method – all under one roof.
FRIENDLY SUPPORT
Our dedicated team is at your service in the chat. Connect with us through the app for exceptional customer service with lightning-fast response times.
CONNECT SMART DEVICES
Connect your Heating, Ventilation, or Air Conditioning (HVAC) to the Ostrom app to easily schedule & adjust your temperature and mode.
CHARGE YOUR EV EFFICIENTLY
Charge your electric vehicle during the cheapest, greenest hours with full transparency. Set the time you need your EV ready, and it will charge when prices are best.
OUR VIRTUAL POWER PLANT NEOGRID
Save not only on charging your EV with our "Smart Charging" feature – become part of our Virtual Power Plant (VPP) named NeoGrid and get paid for charging! By optimizing the purchase and sale of electricity, the Virtual Power Plant provides the electricity grid with flexibility and thus generates additional income - which we will pay out to all participants.
REFERRAL PROGRAM
Get your exclusive referral code, share it with your friends, and watch your referral bonuses grow. For each successful referral, you get 50 € credited to your invoice or 100 € credit to use in the Ostrom Store — your choice!
SHOP IN THE OSTROM STORE
The Ostrom Store has smart home devices, heating, e-mobility & more! Get a discount on products with the referral credit in your Wallet.
ENJOY PARTNER PERKS
As our valued customer, you can enjoy perks and benefits from our partner companies.
DISCOVER SOLAR PV PARTNERS
Ostrom partners with reputable solar photovoltaic providers to help bring the power of the sun to your home.
GREEN FOOTPRINT
Witness your positive environmental impact resulting from the switch to sustainable energy, and observe it magnify as you bring more individuals on board the Ostrom journey.
JOIN US NOW
Not a member of the Ostrom community yet? No worries! Sign-up takes just 5 minutes, and we'll manage all the administrative tasks, including notifying your previous provider.
Get smart and make the green switch today with Ostrom!
Disclaimer:
Our app is onl
Ostrom Energy - Smart & Green App Store
Ostrom Energie - Smart & Grün
Ostrom Energy - Smart & Green gets 500+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
Ostrom Energy - Smart & Green is #92 in Utilities Free in Germany and charting in 1 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperOstrom GmbH
CategoryUtilities
PriceFree
Released
Rating★ 4.7 (4k)
Version6.4.0
Age rating4+
First seen by us 25 Sep 2026
25 Sep 2026Installs (est.)100k+ worldwide
Rating
4.7 ★
4k ratings
Measured
Best rank now
#92
Utilities FreeMeasured
New ratings a week
29
▲ +103% vs the 2 weeks before
Measured
Ostrom Energy - Smart & Green on the App Store
App details
App ID
1566216511
Publisher
Ostrom GmbH
Publisher country
Germany
On the store since
May 2021
5 years on the store
Minimum OS
iOS 16.6+
iPhone 8 and later
Devices
iPhone
Content rating
4+
Languages
2
EN DE
Size
94 MB
Also listed in
Lifestyle
Ostrom Energy - Smart & Green downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Ostrom Energy - Smart & Green's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Germany | UtilitiesFree | #92 |
Apps near Ostrom Energy - Smart & Green on the chart
Utilities Free, around #92.
Ratings
App Store, worldwide.
Rating
4.7 ★
4k ratings
Measured
Ratings
4k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
29
▲ +103% vs the 2 weeks before
Recent ratings
4.7★
vs 4.7★ lifetime
Review momentum
90/100
faster than 87% of Utilities apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About Ostrom Energy - Smart & Green
Save up to 35% or up to 500 € on your energy bill annually! Ostrom is a smart green energy provider with a flexible monthly subscription that can be canceled anytime. Access our app in English or German!
As part of the Ostrom family, you gain full access to the Ostrom app, your one-stop solution to track your energy consumption, payments, CO₂ emissions saved, and more.
YOUR POWER USAGE
Use our app to understand your electricity usage compared to your monthly payments. Keep it updated by regularly adding your meter readings.
SMART METER & DYNAMIC TARIFF
Do you have a smart meter? We enable you to easily track your energy consumption hourly and get billed at the current hourly rate.
BILLING MANAGEMENT
Experienced a surge in power usage this month? Fine-tune your monthly deposit directly within the app, steering clear of any end-of-year additional charges. Browse through all your invoices, payments, and customize your payment method – all under one roof.
FRIENDLY SUPPORT
Our dedicated team is at your service in the chat. Connect with us through the app for exceptional customer service with lightning-fast response times.
CONNECT SMART DEVICES
Connect your Heating, Ventilation, or Air Conditioning (HVAC) to the Ostrom app to easily schedule & adjust your temperature and mode.
CHARGE YOUR EV EFFICIENTLY
Charge your electric vehicle during the cheapest, greenest hours with full transparency. Set the time you need your EV ready, and it will charge when prices are best.
OUR VIRTUAL POWER PLANT NEOGRID
Save not only on charging your EV with our "Smart Charging" feature – become part of our Virtual Power Plant (VPP) named NeoGrid and get paid for charging! By optimizing the purchase and sale of electricity, the Virtual Power Plant provides the electricity grid with flexibility and thus generates additional income - which we will pay out to all participants.
REFERRAL PROGRAM
Get your exclusive referral code, share it with your friends, and watch your referral bonuses grow. For each successful referral, you get 50 € credited to your invoice or 100 € credit to use in the Ostrom Store — your choice!
SHOP IN THE OSTROM STORE
The Ostrom Store has smart home devices, heating, e-mobility & more! Get a discount on products with the referral credit in your Wallet.
ENJOY PARTNER PERKS
As our valued customer, you can enjoy perks and benefits from our partner companies.
DISCOVER SOLAR PV PARTNERS
Ostrom partners with reputable solar photovoltaic providers to help bring the power of the sun to your home.
GREEN FOOTPRINT
Witness your positive environmental impact resulting from the switch to sustainable energy, and observe it magnify as you bring more individuals on board the Ostrom journey.
JOIN US NOW
Not a member of the Ostrom community yet? No worries! Sign-up takes just 5 minutes, and we'll manage all the administrative tasks, including notifying your previous provider.
Get smart and make the green switch today with Ostrom!
Disclaimer:
Our app is onl
As part of the Ostrom family, you gain full access to the Ostrom app, your one-stop solution to track your energy consumption, payments, CO₂ emissions saved, and more.
YOUR POWER USAGE
Use our app to understand your electricity usage compared to your monthly payments. Keep it updated by regularly adding your meter readings.
SMART METER & DYNAMIC TARIFF
Do you have a smart meter? We enable you to easily track your energy consumption hourly and get billed at the current hourly rate.
BILLING MANAGEMENT
Experienced a surge in power usage this month? Fine-tune your monthly deposit directly within the app, steering clear of any end-of-year additional charges. Browse through all your invoices, payments, and customize your payment method – all under one roof.
FRIENDLY SUPPORT
Our dedicated team is at your service in the chat. Connect with us through the app for exceptional customer service with lightning-fast response times.
CONNECT SMART DEVICES
Connect your Heating, Ventilation, or Air Conditioning (HVAC) to the Ostrom app to easily schedule & adjust your temperature and mode.
CHARGE YOUR EV EFFICIENTLY
Charge your electric vehicle during the cheapest, greenest hours with full transparency. Set the time you need your EV ready, and it will charge when prices are best.
OUR VIRTUAL POWER PLANT NEOGRID
Save not only on charging your EV with our "Smart Charging" feature – become part of our Virtual Power Plant (VPP) named NeoGrid and get paid for charging! By optimizing the purchase and sale of electricity, the Virtual Power Plant provides the electricity grid with flexibility and thus generates additional income - which we will pay out to all participants.
REFERRAL PROGRAM
Get your exclusive referral code, share it with your friends, and watch your referral bonuses grow. For each successful referral, you get 50 € credited to your invoice or 100 € credit to use in the Ostrom Store — your choice!
SHOP IN THE OSTROM STORE
The Ostrom Store has smart home devices, heating, e-mobility & more! Get a discount on products with the referral credit in your Wallet.
ENJOY PARTNER PERKS
As our valued customer, you can enjoy perks and benefits from our partner companies.
DISCOVER SOLAR PV PARTNERS
Ostrom partners with reputable solar photovoltaic providers to help bring the power of the sun to your home.
GREEN FOOTPRINT
Witness your positive environmental impact resulting from the switch to sustainable energy, and observe it magnify as you bring more individuals on board the Ostrom journey.
JOIN US NOW
Not a member of the Ostrom community yet? No worries! Sign-up takes just 5 minutes, and we'll manage all the administrative tasks, including notifying your previous provider.
Get smart and make the green switch today with Ostrom!
Disclaimer:
Our app is onl
Latest updates
6.4.0
- Unter Vertrag findest du jetzt einen Bereich zum Widerruf. Die Seite öffnet sich in der Sprache deiner Ostrom App.
- Bei der Anmeldung kannst du einen Jahresverbrauch von 1 bis 99.999 kWh angeben.
- Der Button zum Einlösen deines Bonus bleibt ausgeblendet, solange dein Vertrag noch nicht aktiv ist. Er bleibt auch ausgeblendet, wenn dein Vertrag abgelaufen ist und die Abschlussrechnung bereits erstellt wurde.
- Fehlerbehebungen: Der Preisgraph zeigt einen Strompreis von 0 korrekt an. Der Hinweis zum Eigenständigen Zähler öffnet sich beim Hinzufügen eines Wechselrichters wieder. Auf Android bleibt die Eingabe für den Zählerstand über der Tastatur sichtbar.
6.3.2
- If your session expires, the app signs you out and takes you back to the login screen.
- On the sign-up summary, the consent text is updated, including the link to the withdrawal policy.
6.3.0
- On the yearly view, you can now see your estimated costs.
- The solar statistics tooltip shows your self-sufficiency in percent.
- Labels on the price graph and in solar statistics are updated.
- If you are not on SimplyDynamic, you can request an interim invoice in the app. Use an existing meter reading, or submit a new one.
- The payments screen shows your estimated balance, your monthly deposit, and the status of your invoices.
- The note on your monthly deposit shows the discount as a yearly amount.
- Fixes: Minor visual bugs across the app are resolved.
Ostrom Energy - Smart & Green Android
Ostrom Energy - Smart & Green gets 500+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
Ostrom Energy - Smart & Green is #6 in House & Home Free on Google Play in Germany and charting in 1 of 23 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperOstrom GmbH
CategoryHouse & Home
PriceFree
Released
Installs100k+
Rating★ 4.2 (2.8k)
Updated
Content ratingEveryone
Rating
4.2 ★
2.8k ratings
Measured
Best rank now
#6
House & Home FreeMeasured
New ratings a week
26
steady vs the 2 weeks before
Measured
Ostrom Energy - Smart & Green on Google Play
App details
App ID
com.ostrommobile
Publisher
Ostrom GmbH
Publisher country
Germany
Content rating
Everyone
Tech stack
Trackers and permissions of build v5.35.1, from the εxodus privacy report (CC BY-SA).
Trackers
8
Permissions
46
Trackers
Full permission listProSee plans
Ostrom Energy - Smart & Green downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Ostrom Energy - Smart & Green's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Germany | House & HomeFree | #6 |
Apps near Ostrom Energy - Smart & Green on the chart
House & Home Free, around #6.
Ratings
Google Play, worldwide.
Rating
4.2 ★
2.8k ratings
Measured
Ratings
2.8k
Measured
Written reviews
4
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
26
steady vs the 2 weeks before
Written reviews a week
under 1
Google Play
Recent ratings
3.9★
vs 3.9★ lifetime
Review momentum
54/100
faster than 58% of House and home apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about Ostrom Energy - Smart & Green
From the 60 most recent Google Play reviews in the US.
Users report severe technical issues including app crashes, login failures, and bugs in meter reading inputs following recent updates. Customer service is heavily criticized for being inaccessible due to AI chatbots that fail to resolve billing errors or contract cancellations.
Mixed (47% of recent reviews give 4–5 stars). People like it for being easy to use, and helpful support. The main complaints are about recent updates, and crashes and bugs. Recent reviews are more negative than earlier ones.
What people like
- Ease of use: “Efficient and easy to navigate”
- Customer support: “after the customer support”
- Useful: “Happy customer and highly recommend them”
- Speed & performance: “The entire switch to Ostrom was smooth!”
Common complaints
- Updates: “But there is no update available”
- Crashes & bugs: “it's a bug, a neverending loop”
- Customer support: “The customer service is not good”
- Price & subscription: “Increased in price within a year!”
About Ostrom Energy - Smart & Green
Save up to 35% or up to 500 € on your energy bill annually! Ostrom is a smart green energy provider with a flexible monthly subscription that can be canceled anytime. Access our app in English or German!
As part of the Ostrom family, you gain full access to the Ostrom app, your one-stop solution to track your energy consumption, payments, CO₂ emissions saved, and more.
YOUR POWER USAGE
Use our app to understand your electricity usage compared to your monthly payments. Keep it updated by regularly adding your meter readings.
SMART METER & DYNAMIC TARIFF
Do you have a smart meter? We enable you to easily track your energy consumption hourly and get billed at the current hourly rate.
BILLING MANAGEMENT
Experienced a surge in power usage this month? Fine-tune your monthly deposit directly within the app, steering clear of any end-of-year additional charges. Browse through all your invoices, payments, and customize your payment method – all under one roof.
FRIENDLY SUPPORT
Our dedicated team is at your service in the chat. Connect with us through the app for exceptional customer service with lightning-fast response times.
CONNECT SMART DEVICES
Connect your Heating, Ventilation, or Air Conditioning (HVAC) to the Ostrom app to easily schedule & adjust your temperature and mode.
CHARGE YOUR EV EFFICIENTLY
Charge your electric vehicle during the cheapest, greenest hours with full transparency. Set the time you need your EV ready, and it will charge when prices are best.
OUR VIRTUAL POWER PLANT NEOGRID
Save not only on charging your EV with our "Smart Charging" feature – become part of our Virtual Power Plant (VPP) named NeoGrid and get paid for charging! By optimizing the purchase and sale of electricity, the Virtual Power Plant provides the electricity grid with flexibility and thus generates additional income - which we will pay out to all participants.
REFERRAL PROGRAM
Get your exclusive referral code, share it with your friends, and watch your referral bonuses grow. For each successful referral, you get 50 € credited to your invoice or 100 € credit to use in the Ostrom Store — your choice!
SHOP IN THE OSTROM STORE
The Ostrom Store has smart home devices, heating, e-mobility & more! Get a discount on products with the referral credit in your Wallet.
ENJOY PARTNER PERKS
As our valued customer, you can enjoy perks and benefits from our partner companies.
DISCOVER SOLAR PV PARTNERS
Ostrom partners with reputable solar photovoltaic providers to help bring the power of the sun to your home.
GREEN FOOTPRINT
Witness your positive environmental impact resulting from the switch to sustainable energy, and observe it magnify as you bring more individuals on board the Ostrom journey.
JOIN US NOW
Not a member of the Ostrom community yet? No worries! Sign-up takes just 5 minutes, and we'll manage all the administrative tasks, including notifying your previous provider.
Get smart and make the green switch today with Ostrom!
Disclaimer:
Ou
As part of the Ostrom family, you gain full access to the Ostrom app, your one-stop solution to track your energy consumption, payments, CO₂ emissions saved, and more.
YOUR POWER USAGE
Use our app to understand your electricity usage compared to your monthly payments. Keep it updated by regularly adding your meter readings.
SMART METER & DYNAMIC TARIFF
Do you have a smart meter? We enable you to easily track your energy consumption hourly and get billed at the current hourly rate.
BILLING MANAGEMENT
Experienced a surge in power usage this month? Fine-tune your monthly deposit directly within the app, steering clear of any end-of-year additional charges. Browse through all your invoices, payments, and customize your payment method – all under one roof.
FRIENDLY SUPPORT
Our dedicated team is at your service in the chat. Connect with us through the app for exceptional customer service with lightning-fast response times.
CONNECT SMART DEVICES
Connect your Heating, Ventilation, or Air Conditioning (HVAC) to the Ostrom app to easily schedule & adjust your temperature and mode.
CHARGE YOUR EV EFFICIENTLY
Charge your electric vehicle during the cheapest, greenest hours with full transparency. Set the time you need your EV ready, and it will charge when prices are best.
OUR VIRTUAL POWER PLANT NEOGRID
Save not only on charging your EV with our "Smart Charging" feature – become part of our Virtual Power Plant (VPP) named NeoGrid and get paid for charging! By optimizing the purchase and sale of electricity, the Virtual Power Plant provides the electricity grid with flexibility and thus generates additional income - which we will pay out to all participants.
REFERRAL PROGRAM
Get your exclusive referral code, share it with your friends, and watch your referral bonuses grow. For each successful referral, you get 50 € credited to your invoice or 100 € credit to use in the Ostrom Store — your choice!
SHOP IN THE OSTROM STORE
The Ostrom Store has smart home devices, heating, e-mobility & more! Get a discount on products with the referral credit in your Wallet.
ENJOY PARTNER PERKS
As our valued customer, you can enjoy perks and benefits from our partner companies.
DISCOVER SOLAR PV PARTNERS
Ostrom partners with reputable solar photovoltaic providers to help bring the power of the sun to your home.
GREEN FOOTPRINT
Witness your positive environmental impact resulting from the switch to sustainable energy, and observe it magnify as you bring more individuals on board the Ostrom journey.
JOIN US NOW
Not a member of the Ostrom community yet? No worries! Sign-up takes just 5 minutes, and we'll manage all the administrative tasks, including notifying your previous provider.
Get smart and make the green switch today with Ostrom!
Disclaimer:
Ou
What's new in 6.4.0
- Under Contract, you can see the withdrawal button.
- During sign-up, you can enter a yearly usage up to 99.999 kWh.
- The button to redeem your bonus stays hidden while your contract is not active yet and when your contract has expired and the final invoice has already been created.
- The price graph shows an electricity price of 0 correctly. The independent meter help opens again when you add a solar inverter. On Android, the meter reading field stays visible above the keyboard.
- During sign-up, you can enter a yearly usage up to 99.999 kWh.
- The button to redeem your bonus stays hidden while your contract is not active yet and when your contract has expired and the final invoice has already been created.
- The price graph shows an electricity price of 0 correctly. The independent meter help opens again when you add a solar inverter. On Android, the meter reading field stays visible above the keyboard.