Car Scanner OBD2 ELM: Obd Mary: iPhone vs Android
Car Scanner OBD2 ELM: Obd Mary gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Car Scanner OBD2 ELM: Obd Mary by Ihar Katkavets is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.8 ★
149k ratings, both stores
Measured
Best rank now
#20
Android · 
Auto & Vehicles Free
Auto & Vehicles FreeMeasured
App Store
App details
App ID
1456542840
Publisher
Ihar Katkavets
Publisher country
Belarus
On the store since
Aug 2022
4 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
4+
Languages
25
SQ BG CS DA NL EN FI FR DE EL HU IT …
Size
22 MB
Also listed in
Lifestyle
Google Play
App details
App ID
com.elm.elm327.obd2.eobd.obd.car.scanner.diagnostics.tool.dashboard.doctor.check.engine.torque.speed.trouble.codes.mary
Publisher
WyspaTech, LLC
Publisher country
Belarus
Content rating
Everyone
Car Scanner OBD2 ELM: Obd Mary downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | – | 50k+ |
| Google Play | 1k+ | 5M+ Measured |
| Total | 1k+ Confidence | 5M+ Confidence |
How this is calculated
iPhone: 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 Car Scanner OBD2 ELM: Obd Mary'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
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.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: Ad-led
How Car Scanner OBD2 ELM: Obd Mary makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 60 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.8 ★ | 681 |
| Google Play | 4.8 ★ | 148k 1.2k written reviews |
| Both stores | 4.8 ★ weighted by ratings | 149k |
About Car Scanner OBD2 ELM: Obd Mary
Obd Mary is a universal vehicle scanner which works according to OBD2 standard.
The application works with WiFi and Bluetooth 4.0 LE adapters.
Requirements:
1. You need ELM327 Bluetooth 4.0 LE or Wi-Fi adapter to connect to a vehicle using this application.
2. Your vehicle can contain some ECUs (electronic control modules), so don't forget to check all ECUs.
3. ELM adapters version 2.1 are often can be corrupted, so try to choose version 1.5 if you have a chose.
Quick start guide for ELM327 adapters:
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON the ignition
4. Discover your WiFi or Bluetooth ELM adapter in the app settings
5. Select discovered ELM327 adapter and press 'Connect'
You can make scanning and diagnosing using the application Obd Mary and Wi-Fi ELM327/BLE ELM327.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
The application works with WiFi and Bluetooth 4.0 LE adapters.
Requirements:
1. You need ELM327 Bluetooth 4.0 LE or Wi-Fi adapter to connect to a vehicle using this application.
2. Your vehicle can contain some ECUs (electronic control modules), so don't forget to check all ECUs.
3. ELM adapters version 2.1 are often can be corrupted, so try to choose version 1.5 if you have a chose.
Quick start guide for ELM327 adapters:
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON the ignition
4. Discover your WiFi or Bluetooth ELM adapter in the app settings
5. Select discovered ELM327 adapter and press 'Connect'
You can make scanning and diagnosing using the application Obd Mary and Wi-Fi ELM327/BLE ELM327.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Car Scanner OBD2 ELM: Obd Mary iPhone
Car Scanner OBD2 ELM: Obd Mary gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Not in any tracked top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperIhar Katkavets
CategoryUtilities
PriceFree
Released
Rating★ 4.8 (681)
Version1.8.7
Age rating4+
First seen by us 2 Oct 2026
2 Oct 2026Installs (est.)50k+ worldwide
Rating
4.8 ★
681 ratings
Measured
Car Scanner OBD2 ELM: Obd Mary on the App Store
App details
App ID
1456542840
Publisher
Ihar Katkavets
Publisher country
Belarus
On the store since
Aug 2022
4 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
4+
Languages
25
SQ BG CS DA NL EN FI FR DE EL HU IT …
Size
22 MB
Also listed in
Lifestyle
Car Scanner OBD2 ELM: Obd Mary 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. iPhone 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 Car Scanner OBD2 ELM: Obd Mary'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
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.
In-app revenue
Worldwide, what users spend in Car Scanner OBD2 ELM: Obd Mary before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Ad-led
How Car Scanner OBD2 ELM: Obd Mary makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 60 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.8 ★
681 ratings
Measured
Ratings
681
Measured
About Car Scanner OBD2 ELM: Obd Mary
Obd Mary is a universal vehicle scanner which works according to OBD2 standard.
The application works with WiFi and Bluetooth 4.0 LE adapters.
Requirements:
1. You need ELM327 Bluetooth 4.0 LE or Wi-Fi adapter to connect to a vehicle using this application.
2. Your vehicle can contain some ECUs (electronic control modules), so don't forget to check all ECUs.
3. ELM adapters version 2.1 are often can be corrupted, so try to choose version 1.5 if you have a chose.
Quick start guide for ELM327 adapters:
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON the ignition
4. Discover your WiFi or Bluetooth ELM adapter in the app settings
5. Select discovered ELM327 adapter and press 'Connect'
You can make scanning and diagnosing using the application Obd Mary and Wi-Fi ELM327/BLE ELM327.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
The application works with WiFi and Bluetooth 4.0 LE adapters.
Requirements:
1. You need ELM327 Bluetooth 4.0 LE or Wi-Fi adapter to connect to a vehicle using this application.
2. Your vehicle can contain some ECUs (electronic control modules), so don't forget to check all ECUs.
3. ELM adapters version 2.1 are often can be corrupted, so try to choose version 1.5 if you have a chose.
Quick start guide for ELM327 adapters:
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON the ignition
4. Discover your WiFi or Bluetooth ELM adapter in the app settings
5. Select discovered ELM327 adapter and press 'Connect'
You can make scanning and diagnosing using the application Obd Mary and Wi-Fi ELM327/BLE ELM327.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Latest updates
1.8.7
Bug fixes and stability improvements
Car Scanner OBD2 ELM: Obd Mary Android
Car Scanner OBD2 ELM: Obd Mary gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Car Scanner OBD2 ELM: Obd Mary is #20 in Auto & Vehicles Free on Google Play in Russia and charting in 17 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperWyspaTech
CategoryAuto & Vehicles
PriceFree
Released
Installs5M+
Rating★ 4.8 (148k)
Updated
Content ratingEveryone
Rating
4.8 ★
148k ratings
Measured
Best rank now
#20
Auto & Vehicles FreeMeasured
Car Scanner OBD2 ELM: Obd Mary on Google Play
App details
App ID
com.elm.elm327.obd2.eobd.obd.car.scanner.diagnostics.tool.dashboard.doctor.check.engine.torque.speed.trouble.codes.mary
Publisher
WyspaTech, LLC
Publisher country
Belarus
Content rating
Everyone
Car Scanner OBD2 ELM: Obd Mary 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 Car Scanner OBD2 ELM: Obd Mary's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
On Android app stores
The same app (com.elm.elm327.obd2.eobd.obd.car.scanner.diagnostics.tool.dashboard.doctor.check.engine.torque.speed.trouble.codes.mary) on every Android store we track. Known Android installs: at least 5M (Google Play band + AppGallery count).
| Store | Installs | Rating | Version | |
|---|---|---|---|---|
| Google Play | 5,000,000+ | ★ 4.8 (148k) | Open ↗ | |
| Huawei AppGallery | 1k | – | 1.201 | Open ↗ |
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.
In-app revenue
Worldwide, what users spend in Car Scanner OBD2 ELM: Obd Mary before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Ad-led
How Car Scanner OBD2 ELM: Obd Mary makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 60 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Russia | Auto & VehiclesFree | #20 |
 United States | Auto & VehiclesFree | #149 |
 Germany | Auto & VehiclesFree | #68 |
 India | Auto & VehiclesGrossing | #52 |
 France | Auto & VehiclesFree | #70 |
 United Kingdom | Auto & VehiclesFree | #120 |
 Italy | Auto & VehiclesFree | #56 |
 Mexico | Auto & VehiclesGrossing | #57 |
 Saudi Arabia | Auto & VehiclesGrossing | #53 |
 Indonesia | Auto & VehiclesGrossing | #55 |
 Spain | Auto & VehiclesFree | #73 |
| Mexico | Auto & VehiclesFree | #78 |
 United Arab Emirates | Auto & VehiclesGrossing | #55 |
 Turkey | Auto & VehiclesGrossing | #56 |
 Netherlands | Auto & VehiclesGrossing | #57 |
| Turkey | Auto & VehiclesFree | #55 |
 Thailand | Auto & VehiclesGrossing | #54 |
 Brazil | Auto & VehiclesFree | #185 |
 Vietnam | Auto & VehiclesGrossing | #54 |
| Indonesia | Auto & VehiclesFree | #169 |
Apps near Car Scanner OBD2 ELM: Obd Mary on the chart
Auto & Vehicles Free, around #20.
Ratings
Google Play, worldwide.
Rating
4.8 ★
148k ratings
Measured
Ratings
148k
Measured
Written reviews
1.2k
Measured
About Car Scanner OBD2 ELM: Obd Mary
Obd Mary is a EOBD \ OBD-2 car diagnostic scanner, gauge dashboard and trip computer with a number of cool features.
With our OBD2 Car Scanner OBD Mary it is possible not only read and clear OBD-2 Trouble Codes but also make diagnostics for different vehicle ECU like: ABS, SRS, Airbag, HVAC and etc.
Our Car Scanner OBD Mary supports brands like: Acura, Alfa Romeo, Alpina, Audi, BMW, BYD, Buick, Cadillac, Changan, Chery, Chevrolet, Chrysler, Citroen, Dacia, Daewoo, Daihatsu, Daimler, Datsun, Dodge, DS, Exeed, Fiat, Ford, Geely, General Motors, Genesis, GMC, Great Wall, Haval, Holden, Honda, Hummer, Hyundai, Infiniti, ISUZU, JAC, Jaguar, Jeep, JMC, Kia, KTM, Lada, , Lancia, Land Rover, Lexus, Lifan, Lincoln, Lotus, Mahindra, Mazda, McLaren, Mercedes-Benz, Mercury, MG, Mini, Mitsubishi, Nissan, Opel, Peugeot, Pontiac, Porsche, Proton, RAM, Range Rover, Ravon, Renault, Rivian, Rolls-Royce, Rover, Saab, Samsung, Scion, Seat, Skoda, Smart, SsangYong, Subaru, Suzuki, Toyota, Vauxhall, Volkswagen, Volvo
Attention!!!
1. You need ELM327 Bluetooth or Wi-Fi adapter to connect to a vehicle using this application.
2. Your vehicle can contain some ECUs (electronic control modules), so don't forget to check all ECUs.
3. ELM adapters version 2.1 are often can be corrupted, so try to choose version 1.5 if you have a chose.
Quick start guide
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON ignition
4. Discover your Bluetooth ELM adapter in your Android device settings
5. Select discovered ELM327 adapter in the app settings
6. Try to connect!
Diagnostics
You can read and reset trouble codes from OBD2 compliant control units. Can see fault codes descriptions and search it in internet just by click. Freeze-frame data can be read in case if DTC is activated. You can read live parameters like speed, RPM, MAF, coolant temperature.
Dashboard
Use our OBD2 app as a gauge dashboard. Create your own set of gauges. You can customize approximately all gauge parameters(sizes, colors, positions of stroke, arrow, texts, labels, backgrounds and etc.) Resize and move gauge in edit mode to desired place just using your fingers. Enjoy your style!
Trip computer
Track your trips with our Obd Mary app and ELM327 adapter. Keep the adapter connected all the time inside your car and the app connects to your vehicle and log your trip data:
- trip time;
- fuel consumption;
- fuel cost;
- average speed;
- max speed and etc.
Full version
Buy the full version of the Obd Mary app and get full functionality without an ads. When you are buying the app you support future development and support. Thank you.
The application uses foreground service to have a constant connection with the Wi-Fi or Bluetooth ELM adapter which is used for communication with the modern vehicles when the app is in foregaround or in background state. The app collects data from a vehicle and store it locally to provide user information about averag
With our OBD2 Car Scanner OBD Mary it is possible not only read and clear OBD-2 Trouble Codes but also make diagnostics for different vehicle ECU like: ABS, SRS, Airbag, HVAC and etc.
Our Car Scanner OBD Mary supports brands like: Acura, Alfa Romeo, Alpina, Audi, BMW, BYD, Buick, Cadillac, Changan, Chery, Chevrolet, Chrysler, Citroen, Dacia, Daewoo, Daihatsu, Daimler, Datsun, Dodge, DS, Exeed, Fiat, Ford, Geely, General Motors, Genesis, GMC, Great Wall, Haval, Holden, Honda, Hummer, Hyundai, Infiniti, ISUZU, JAC, Jaguar, Jeep, JMC, Kia, KTM, Lada, , Lancia, Land Rover, Lexus, Lifan, Lincoln, Lotus, Mahindra, Mazda, McLaren, Mercedes-Benz, Mercury, MG, Mini, Mitsubishi, Nissan, Opel, Peugeot, Pontiac, Porsche, Proton, RAM, Range Rover, Ravon, Renault, Rivian, Rolls-Royce, Rover, Saab, Samsung, Scion, Seat, Skoda, Smart, SsangYong, Subaru, Suzuki, Toyota, Vauxhall, Volkswagen, Volvo
Attention!!!
1. You need ELM327 Bluetooth or Wi-Fi adapter to connect to a vehicle using this application.
2. Your vehicle can contain some ECUs (electronic control modules), so don't forget to check all ECUs.
3. ELM adapters version 2.1 are often can be corrupted, so try to choose version 1.5 if you have a chose.
Quick start guide
1. Download the app
2. Plug in ELM327 adapter into 16-pin diagnostic connector in your vehicle
3. Switch ON ignition
4. Discover your Bluetooth ELM adapter in your Android device settings
5. Select discovered ELM327 adapter in the app settings
6. Try to connect!
Diagnostics
You can read and reset trouble codes from OBD2 compliant control units. Can see fault codes descriptions and search it in internet just by click. Freeze-frame data can be read in case if DTC is activated. You can read live parameters like speed, RPM, MAF, coolant temperature.
Dashboard
Use our OBD2 app as a gauge dashboard. Create your own set of gauges. You can customize approximately all gauge parameters(sizes, colors, positions of stroke, arrow, texts, labels, backgrounds and etc.) Resize and move gauge in edit mode to desired place just using your fingers. Enjoy your style!
Trip computer
Track your trips with our Obd Mary app and ELM327 adapter. Keep the adapter connected all the time inside your car and the app connects to your vehicle and log your trip data:
- trip time;
- fuel consumption;
- fuel cost;
- average speed;
- max speed and etc.
Full version
Buy the full version of the Obd Mary app and get full functionality without an ads. When you are buying the app you support future development and support. Thank you.
The application uses foreground service to have a constant connection with the Wi-Fi or Bluetooth ELM adapter which is used for communication with the modern vehicles when the app is in foregaround or in background state. The app collects data from a vehicle and store it locally to provide user information about averag
What's new
Updated DTCs reading UI
Fixed some bugs
Fixed some bugs