Rメールアプリ Android
Rメールアプリ is #128 in Communication Free on Google Play in Japan and charting in 1 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperRakuten Group, Inc.
CategoryCommunication
PriceFree
Released
Installs500k+
Rating★ 3.5 (0)
Updated
Content ratingEveryone
Rating
3.5 ★
0 ratings
Measured
Best rank now
#128
Measured
Rメールアプリ on Google Play
App details
App ID
jp.co.rakuten.android.mailer
Publisher
Rakuten Group Inc
Publisher country
Japan
Content rating
Everyone
Rメールアプリ 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.
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.
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| CommunicationFree | #128 |
Apps near Rメールアプリ on the chart
Communication Free, around #128.
Ratings
Google Play, worldwide.
Rating
3.5 ★
0 ratings
Measured
Ratings
0
Measured
About Rメールアプリ
The R-mail app is a free mail service app that can be used by customers who subscribe to Rakuten Mobile (docomo line / au line). We provide the domain of "@ rakuten.jp".
* The service name of "Rakuten Mail" has changed from June 1, 2021 (Tuesday). Only the service name has changed, and there is no change in the service content you are currently using. In addition, you can continue to use the email reception settings as they are.
* When logging in to Gmail from the R-mail app, an error has occurred. We are currently investigating the cause.
We apologize for the inconvenience. We will inform you again as soon as it is restored.
■ Main functions
-You can use any of the two modes, simple folder mode and convenient chat mode.
・ Rakuten points can be earned by completing the "Rakuten Rewards" mission.
-We pursued operability so that anyone can use it easily. Setting up an account also eliminates the difficulty.
-You can easily manage the mail of other companies' mail services (Yahoo, Gmail, Outlook, Goo mail, Nifty, iCloud, Hotmail, AOL, etc.) that you are already using.
-You can use the familiar "pictograms" and "deco-mail" on conventional mobile phones for free.
■ Setting method
You can use multiple mail services with one mailer by clicking "Add new account" from "Account selection" of the R mail application and entering the mail server setting information provided by each company. .. You can use up to 5 email accounts at the same time.
■ How to use
1. 1. Please register your favorite e-mail address at Rakuten Mobile's Members Station.
2. Please install this application. Compatible with Android OS Ver.5.0 or later.
3. 3. Open the installed R-mail app and enter the email address and password you registered in 1.
■ Terms of use
The R-mail app has a contract with Rakuten Mobile SIM and can be used on smartphones equipped with Android OS Ver.5.0 or later.
■ If you want to know more about R-mail app
・ R-mail https://mobile.rakuten.co.jp/fee/option/rakuten_mail/
・ Member support https://mobile.rakuten.co.jp/support/
■ Maintenance / failure information
https://plaza.rakuten.co.jp/rmobileinfo/
■ Notes
・ The initial password used for R-mail is the same as the password used when logging in to Members Station. If you want to change your R-mail password, please go to "Change password for free e-mail address" in Rakuten Mobile "Members Station". Please note that even if you change the login password of the members station after you start using R-mail, the R-mail password will not be changed.
・ Customers using R-mail have pointed out that the reception notification (PUSH notification) is not working properly. In the following cases, the operation may be delayed or the operation itself may not occur. If necessary, change the settings of the terminal you are using.
1) Restriction of background communication by OS setting menu If this setting is made, you will not be able to receive new arrival notifications in the background.
2) Executing the power saving
* The service name of "Rakuten Mail" has changed from June 1, 2021 (Tuesday). Only the service name has changed, and there is no change in the service content you are currently using. In addition, you can continue to use the email reception settings as they are.
* When logging in to Gmail from the R-mail app, an error has occurred. We are currently investigating the cause.
We apologize for the inconvenience. We will inform you again as soon as it is restored.
■ Main functions
-You can use any of the two modes, simple folder mode and convenient chat mode.
・ Rakuten points can be earned by completing the "Rakuten Rewards" mission.
-We pursued operability so that anyone can use it easily. Setting up an account also eliminates the difficulty.
-You can easily manage the mail of other companies' mail services (Yahoo, Gmail, Outlook, Goo mail, Nifty, iCloud, Hotmail, AOL, etc.) that you are already using.
-You can use the familiar "pictograms" and "deco-mail" on conventional mobile phones for free.
■ Setting method
You can use multiple mail services with one mailer by clicking "Add new account" from "Account selection" of the R mail application and entering the mail server setting information provided by each company. .. You can use up to 5 email accounts at the same time.
■ How to use
1. 1. Please register your favorite e-mail address at Rakuten Mobile's Members Station.
2. Please install this application. Compatible with Android OS Ver.5.0 or later.
3. 3. Open the installed R-mail app and enter the email address and password you registered in 1.
■ Terms of use
The R-mail app has a contract with Rakuten Mobile SIM and can be used on smartphones equipped with Android OS Ver.5.0 or later.
■ If you want to know more about R-mail app
・ R-mail https://mobile.rakuten.co.jp/fee/option/rakuten_mail/
・ Member support https://mobile.rakuten.co.jp/support/
■ Maintenance / failure information
https://plaza.rakuten.co.jp/rmobileinfo/
■ Notes
・ The initial password used for R-mail is the same as the password used when logging in to Members Station. If you want to change your R-mail password, please go to "Change password for free e-mail address" in Rakuten Mobile "Members Station". Please note that even if you change the login password of the members station after you start using R-mail, the R-mail password will not be changed.
・ Customers using R-mail have pointed out that the reception notification (PUSH notification) is not working properly. In the following cases, the operation may be delayed or the operation itself may not occur. If necessary, change the settings of the terminal you are using.
1) Restriction of background communication by OS setting menu If this setting is made, you will not be able to receive new arrival notifications in the background.
2) Executing the power saving
What's new in 2.2.9
アプリ名称の変更を行いました。