InstAddr Downloads & RevenueInstAddr · App Store & Google Play
InstAddr gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
InstAddr by Aki Ueno is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
📈AndroidCharting in a new country📈iOSCharting in a new country🆕AndroidFirst spotted by AppInsider🆕iOSFirst spotted by AppInsider📦iOSVersion 2.8.2📦AndroidVersion 2026.08.29.1🆕iOSReleased on the App Store🆕AndroidReleased on Google Play
Full timeline · 8 events
- 📈InstAddr charting in a new countryAndroidIndonesia
- 📈InstAddr charting in a new countryiOSSouth Korea
- 🆕InstAddr first spotted by AppInsiderAndroidJapan
- 🆕InstAddr first spotted by AppInsideriOS#73 in Top Free · Utilities · Japan
- 📦InstAddr version 2.8.2iOS- Bug fixed.
- 📦InstAddr version 2026.08.29.1Android- Bug fixes.
- 🆕InstAddr released on the App StoreiOS
- 🆕InstAddr released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.4 ★
34k ratings, both stores
Measured
Best rank now
#97
App Store · 
Utilities Free
Utilities FreeMeasured
New ratings a week
49
▼ -47% vs the 2 weeks before (Google Play)
Measured
App Store
App details
App ID
806157957
Publisher
Aki Ueno
Publisher country
Japan
On the store since
Feb 2014
12 years on the store
Minimum OS
iOS 14.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
14
AR EN FR DE ID IT JA KO PT RU ZH ES …
Size
28 MB
Also listed in
Productivity
Google Play
App details
App ID
air.kukulive.mailnow
Publisher
AQUAPAL
Publisher country
Japan
Content rating
Everyone
InstAddr downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | 100+ | 500k+ |
| Google Play | 1k+ | 5M+ Measured |
| Total | 1k+ Confidence | 5M+ 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 InstAddr'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.
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 InstAddr makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchasesAds · 12 ad networks
Subscriptions
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Premium Plan (1 Month) subscription | |
| 2 | Premium Plan (1 Year) subscription |
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #97 Utilities Free | 1 of 30 countries | – | – |
| Google Play | #108 Tools Free | 1 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisApp Store
New ratings a week
13
steady vs the 2 weeks before
Lifetime rating
4.3★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
68/100
faster than 82% of Utilities apps
Google Play
New ratings a week
37
▼ -47% vs the 2 weeks before
Written reviews a week
1.8
Google Play
Lifetime rating
4.6★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
21/100
faster than 21% of Tools 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 | 4.3 ★ | 7.4k |
| Google Play | 4.4 ★ | 27k 1.3k written reviews |
| Both stores | 4.4 ★ weighted by ratings | 34k |
About InstAddr
The sophisticated app enables you to create disposable email addresses for free just by activating it.
Your account simultaneously maintains multiple email addresses, which you can utilize for different purposes.
As the service does not have an expiry date, the addresses can be used permanently.
--------------------
- “There is a website requiring email authentication to sign up, but I don’t want to receive spam messages and newsletters…”
- “Someone I’m not very close asked for my email address…”
- “I need a dedicated contact email address and web form for our event”
- “There are people I’m not that close but want to keep in touch”
The app perfectly caters for all these needs!
-------------------
The app’s features are as follows:
* You can simultaneously own as many email addresses as you like!
You can create additional email addresses anytime you like in just a second without making any changes to the existing address.
You can either use characters of your choice for the address or have the app to generate short addresses. The app, enhanced with our proprietary technology, is also able to automatically generate easily memorable addresses.
* You can communicate with the address (write new messages, reply, forward, and share)!
You can send out messages from the created address and attach files.
The addresses also support latest features, such as SPF, DKIM (sender authentication), encrypted delivery, etc.
* Push notification is available!
The app notifies the arrival of new messages even when the app is turned off. It can also send out notifications to other smartphones and PCs.
You can turn the push notification off or turn it on only for specified addresses.
* Permanent email addresses!
The addresses you create will function permanently unless you delete them.
Even if you change your mobile or delete the app, the addresses remain intact and can be restored as soon as you sign in!
Although sent and received messages are automatically deleted after a month, you can permanently save them by selecting protection mode for them.
* You can sync with PC and other smartphones!
You can use the same address on PC and other smartphones sync messages.
No difficult setup is required! You only have to sign in with the automatically generated ID and password.
* App supports HTML mails and mail attachments!
The app accepts messages in any formats in any languages. You can also receive emoji and Deco-mails.
You can send and receive mail attachments, while the system blocks malware attachments.
* Perfectly functionable mailer!
You no longer need other email apps, as all functions, e.g. inbox, sent box, filter, mail blocking function, etc. come as a package!
You can open the service as a regular mailer from a browser, etc.
* Full of original features not available in other mailer apps!
You can share messages with friends as a website with a URL, assign email addresses to other people, and create web forms.
More users are using the app to create dedica
Your account simultaneously maintains multiple email addresses, which you can utilize for different purposes.
As the service does not have an expiry date, the addresses can be used permanently.
--------------------
- “There is a website requiring email authentication to sign up, but I don’t want to receive spam messages and newsletters…”
- “Someone I’m not very close asked for my email address…”
- “I need a dedicated contact email address and web form for our event”
- “There are people I’m not that close but want to keep in touch”
The app perfectly caters for all these needs!
-------------------
The app’s features are as follows:
* You can simultaneously own as many email addresses as you like!
You can create additional email addresses anytime you like in just a second without making any changes to the existing address.
You can either use characters of your choice for the address or have the app to generate short addresses. The app, enhanced with our proprietary technology, is also able to automatically generate easily memorable addresses.
* You can communicate with the address (write new messages, reply, forward, and share)!
You can send out messages from the created address and attach files.
The addresses also support latest features, such as SPF, DKIM (sender authentication), encrypted delivery, etc.
* Push notification is available!
The app notifies the arrival of new messages even when the app is turned off. It can also send out notifications to other smartphones and PCs.
You can turn the push notification off or turn it on only for specified addresses.
* Permanent email addresses!
The addresses you create will function permanently unless you delete them.
Even if you change your mobile or delete the app, the addresses remain intact and can be restored as soon as you sign in!
Although sent and received messages are automatically deleted after a month, you can permanently save them by selecting protection mode for them.
* You can sync with PC and other smartphones!
You can use the same address on PC and other smartphones sync messages.
No difficult setup is required! You only have to sign in with the automatically generated ID and password.
* App supports HTML mails and mail attachments!
The app accepts messages in any formats in any languages. You can also receive emoji and Deco-mails.
You can send and receive mail attachments, while the system blocks malware attachments.
* Perfectly functionable mailer!
You no longer need other email apps, as all functions, e.g. inbox, sent box, filter, mail blocking function, etc. come as a package!
You can open the service as a regular mailer from a browser, etc.
* Full of original features not available in other mailer apps!
You can share messages with friends as a website with a URL, assign email addresses to other people, and create web forms.
More users are using the app to create dedica
InstAddr App Store
捨てメアド
InstAddr gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
InstAddr is #97 in Utilities Free in Japan and charting in 1 of 30 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
DeveloperAki Ueno
CategoryUtilities
PriceFree
Released
Rating★ 4.3 (7.4k)
Version2.8.2
Age rating4+
First seen by us 25 Sep 2026
25 Sep 2026Installs (est.)500k+ worldwide
Rating
4.3 ★
7.4k ratings
Measured
Best rank now
#97
Utilities FreeMeasured
New ratings a week
13
steady vs the 2 weeks before
Measured
InstAddr on the App Store
App details
App ID
806157957
Publisher
Aki Ueno
Publisher country
Japan
On the store since
Feb 2014
12 years on the store
Minimum OS
iOS 14.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
14
AR EN FR DE ID IT JA KO PT RU ZH ES …
Size
28 MB
Also listed in
Productivity
InstAddr 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 InstAddr'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.
In-app revenue
Worldwide, what users spend in InstAddr before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: Ad-led
How InstAddr makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchasesAds · 12 ad networks
Subscriptions
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Premium Plan (1 Month) subscription | |
| 2 | Premium Plan (1 Year) subscription |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | UtilitiesFree | #97 |
Apps near InstAddr on the chart
Utilities Free, around #97.
Ratings
App Store, worldwide.
Rating
4.3 ★
7.4k ratings
Measured
Ratings
7.4k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
13
steady vs the 2 weeks before
Lifetime rating
4.3★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
68/100
faster than 82% 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 InstAddr
The sophisticated app enables you to create disposable email addresses for free just by activating it.
Your account simultaneously maintains multiple email addresses, which you can utilize for different purposes.
As the service does not have an expiry date, the addresses can be used permanently.
--------------------
- “There is a website requiring email authentication to sign up, but I don’t want to receive spam messages and newsletters…”
- “Someone I’m not very close asked for my email address…”
- “I need a dedicated contact email address and web form for our event”
- “There are people I’m not that close but want to keep in touch”
The app perfectly caters for all these needs!
-------------------
The app’s features are as follows:
* You can simultaneously own as many email addresses as you like!
You can create additional email addresses anytime you like in just a second without making any changes to the existing address.
You can either use characters of your choice for the address or have the app to generate short addresses. The app, enhanced with our proprietary technology, is also able to automatically generate easily memorable addresses.
* You can communicate with the address (write new messages, reply, forward, and share)!
You can send out messages from the created address and attach files.
The addresses also support latest features, such as SPF, DKIM (sender authentication), encrypted delivery, etc.
* Push notification is available!
The app notifies the arrival of new messages even when the app is turned off. It can also send out notifications to other smartphones and PCs.
You can turn the push notification off or turn it on only for specified addresses.
* Permanent email addresses!
The addresses you create will function permanently unless you delete them.
Even if you change your mobile or delete the app, the addresses remain intact and can be restored as soon as you sign in!
Although sent and received messages are automatically deleted after a month, you can permanently save them by selecting protection mode for them.
* You can sync with PC and other smartphones!
You can use the same address on PC and other smartphones sync messages.
No difficult setup is required! You only have to sign in with the automatically generated ID and password.
* App supports HTML mails and mail attachments!
The app accepts messages in any formats in any languages. You can also receive emoji and Deco-mails.
You can send and receive mail attachments, while the system blocks malware attachments.
* Perfectly functionable mailer!
You no longer need other email apps, as all functions, e.g. inbox, sent box, filter, mail blocking function, etc. come as a package!
You can open the service as a regular mailer from a browser, etc.
* Full of original features not available in other mailer apps!
You can share messages with friends as a website with a URL, assign email addresses to other people, and create web forms.
More users are using the app to create dedica
Your account simultaneously maintains multiple email addresses, which you can utilize for different purposes.
As the service does not have an expiry date, the addresses can be used permanently.
--------------------
- “There is a website requiring email authentication to sign up, but I don’t want to receive spam messages and newsletters…”
- “Someone I’m not very close asked for my email address…”
- “I need a dedicated contact email address and web form for our event”
- “There are people I’m not that close but want to keep in touch”
The app perfectly caters for all these needs!
-------------------
The app’s features are as follows:
* You can simultaneously own as many email addresses as you like!
You can create additional email addresses anytime you like in just a second without making any changes to the existing address.
You can either use characters of your choice for the address or have the app to generate short addresses. The app, enhanced with our proprietary technology, is also able to automatically generate easily memorable addresses.
* You can communicate with the address (write new messages, reply, forward, and share)!
You can send out messages from the created address and attach files.
The addresses also support latest features, such as SPF, DKIM (sender authentication), encrypted delivery, etc.
* Push notification is available!
The app notifies the arrival of new messages even when the app is turned off. It can also send out notifications to other smartphones and PCs.
You can turn the push notification off or turn it on only for specified addresses.
* Permanent email addresses!
The addresses you create will function permanently unless you delete them.
Even if you change your mobile or delete the app, the addresses remain intact and can be restored as soon as you sign in!
Although sent and received messages are automatically deleted after a month, you can permanently save them by selecting protection mode for them.
* You can sync with PC and other smartphones!
You can use the same address on PC and other smartphones sync messages.
No difficult setup is required! You only have to sign in with the automatically generated ID and password.
* App supports HTML mails and mail attachments!
The app accepts messages in any formats in any languages. You can also receive emoji and Deco-mails.
You can send and receive mail attachments, while the system blocks malware attachments.
* Perfectly functionable mailer!
You no longer need other email apps, as all functions, e.g. inbox, sent box, filter, mail blocking function, etc. come as a package!
You can open the service as a regular mailer from a browser, etc.
* Full of original features not available in other mailer apps!
You can share messages with friends as a website with a URL, assign email addresses to other people, and create web forms.
More users are using the app to create dedica
Latest updates
2.8.2
- Bug fixed.
More from Aki Ueno
InstAddr Android
InstAddr gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
InstAddr is #108 in Tools Free on Google Play in Japan and charting in 1 of 23 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
Developerkukusama
CategoryTools
PriceFree
Released
Installs5M+
Rating★ 4.4 (27k)
Updated
Content ratingEveryone
Rating
4.4 ★
27k ratings
Measured
Best rank now
#108
Tools FreeMeasured
New ratings a week
37
▼ -47% vs the 2 weeks before
Measured
InstAddr on Google Play
App details
App ID
air.kukulive.mailnow
Publisher
AQUAPAL
Publisher country
Japan
Content rating
Everyone
InstAddr 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 InstAddr'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.
In-app revenue
Worldwide, what users spend in InstAddr before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: Ad-led
How InstAddr makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchasesAds · 12 ad networks
Subscriptions
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Premium Plan (1 Month) subscription | |
| 2 | Premium Plan (1 Year) subscription |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | ToolsFree | #108 |
| Japan | ToolsGrossing | #131 |
Apps near InstAddr on the chart
Tools Free, around #108.
Ratings
Google Play, worldwide.
Rating
4.4 ★
27k ratings
Measured
Ratings
27k
Measured
Written reviews
1.3k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
37
▼ -47% vs the 2 weeks before
Written reviews a week
1.8
Google Play
Lifetime rating
4.6★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
21/100
faster than 21% of Tools 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 InstAddr
The sophisticated app enables you to create disposable email addresses for free just by activating it.
Your account simultaneously maintains multiple email addresses, which you can utilize for different purposes.
As the service does not have an expiry date, the addresses can be used permanently.
- “There is a website requiring email authentication to sign up, but I don’t want to receive spam messages and newsletters…”
- “Someone I’m not very close asked for my email address…”
- “I need a dedicated contact email address and web form for our event”
- “There are people I’m not that close but want to keep in touch”
The app perfectly caters for all these needs!
The app’s features are as follows:
* You can simultaneously own as many email addresses as you like!
You can create additional email addresses anytime you like in just a second without making any changes to the existing address.
You can either use characters of your choice for the address or have the app to generate short addresses. The app, enhanced with our proprietary technology, is also able to automatically generate easily memorable addresses.
* You can communicate with the address (write new messages, reply, forward, and share)!
You can send out messages from the created address and attach files.
The addresses also support latest features, such as SPF, DKIM (sender authentication), encrypted delivery, etc.
* Push notification is available!
The app notifies the arrival of new messages even when the app is turned off. It can also send out notifications to other smartphones and PCs.
You can turn the push notification off or turn it on only for specified addresses.
* Permanent email addresses!
The addresses you create will function permanently unless you delete them.
Even if you change your mobile or delete the app, the addresses remain intact and can be restored as soon as you sign in!
Although sent and received messages are automatically deleted after a month, you can permanently save them by selecting protection mode for them.
* You can sync with PC and other smartphones!
You can use the same address on PC, Android, KindleFire, and iPhone/iPod/iPad, and sync messages.
No difficult setup is required! You only have to sign in with the automatically generated ID and password.
* App supports HTML mails and mail attachments!
The app accepts messages in any formats in any languages. You can also receive emoji and Deco-mails.
You can send and receive mail attachments, while the system blocks malware attachments.
* Perfectly functionable mailer!
You no longer need other email apps, as all functions, e.g. inbox, sent box, filter, mail blocking function, etc. come as a package!
You can open the service as a regular mailer from a browser, etc.
* Full of original features not available in other mailer apps!
You can share messages with friends as a website with a URL, assign email addresses to other people, and create web forms.
More users are using the app to create dedicated contact emai
Your account simultaneously maintains multiple email addresses, which you can utilize for different purposes.
As the service does not have an expiry date, the addresses can be used permanently.
- “There is a website requiring email authentication to sign up, but I don’t want to receive spam messages and newsletters…”
- “Someone I’m not very close asked for my email address…”
- “I need a dedicated contact email address and web form for our event”
- “There are people I’m not that close but want to keep in touch”
The app perfectly caters for all these needs!
The app’s features are as follows:
* You can simultaneously own as many email addresses as you like!
You can create additional email addresses anytime you like in just a second without making any changes to the existing address.
You can either use characters of your choice for the address or have the app to generate short addresses. The app, enhanced with our proprietary technology, is also able to automatically generate easily memorable addresses.
* You can communicate with the address (write new messages, reply, forward, and share)!
You can send out messages from the created address and attach files.
The addresses also support latest features, such as SPF, DKIM (sender authentication), encrypted delivery, etc.
* Push notification is available!
The app notifies the arrival of new messages even when the app is turned off. It can also send out notifications to other smartphones and PCs.
You can turn the push notification off or turn it on only for specified addresses.
* Permanent email addresses!
The addresses you create will function permanently unless you delete them.
Even if you change your mobile or delete the app, the addresses remain intact and can be restored as soon as you sign in!
Although sent and received messages are automatically deleted after a month, you can permanently save them by selecting protection mode for them.
* You can sync with PC and other smartphones!
You can use the same address on PC, Android, KindleFire, and iPhone/iPod/iPad, and sync messages.
No difficult setup is required! You only have to sign in with the automatically generated ID and password.
* App supports HTML mails and mail attachments!
The app accepts messages in any formats in any languages. You can also receive emoji and Deco-mails.
You can send and receive mail attachments, while the system blocks malware attachments.
* Perfectly functionable mailer!
You no longer need other email apps, as all functions, e.g. inbox, sent box, filter, mail blocking function, etc. come as a package!
You can open the service as a regular mailer from a browser, etc.
* Full of original features not available in other mailer apps!
You can share messages with friends as a website with a URL, assign email addresses to other people, and create web forms.
More users are using the app to create dedicated contact emai
What's new in 2026.08.29.1
- Bug fixes.