R-Timer is made and published by Yoshiaki Onishi. AppBrain is an independent app data site and isn't affiliated with Yoshiaki Onishi. The app name, icon, screenshots and description belong to Yoshiaki Onishi and are shown as published on the App Store.
AppBrain's verdict
- Best rank
- #71
- Top Paid, Japan
- Last updated
- September 9, 2025
Rankings
App Store top charts- Highest rank
- #71
- Chart
- Top Paid
- Sports
- Country
- Japan
App Store Rankings for R-Timer
Top rankings
| Rank | Country | Category | List |
|---|---|---|---|
| 71 | Japan | Sports | Top Paid |
Ranking history in Japan
Competitors
Similar apps and more from Yoshiaki OnishiAlternatives to R-Timer
More from Yoshiaki Onishi
Releases
Updates seen on the App Store- Version
- 1.9.4
- Launched
- January 2015
No changelog data
User feedback
Ratings and reviews on the App StoreComments on R-Timer for iOS
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Technology
Found in the app by AppBrain- Price
- $0.99
- App size
- 17.4 MB
- Content rating
- Everyone
Technologies used by R-Timer
About the app and developer
About R-Timer
R-Timer is a sports app developed by Yoshiaki Onishi.
User Ratings
The app has no ratings yet.
App Information
R-Timer costs $0.99. The app size is 17.42 MB. The latest version available is 1.9.4. The last update was on September 9, 2025.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since January 2015.
Developer information for Yoshiaki Onishi
Address:
Frequently asked questions about R-Timer
Is R-Timer free?
No. R-Timer costs $0.99 on the App Store.
Is R-Timer still available?
Yes. R-Timer is on the App Store, and the last update we saw was on September 9, 2025.
How large is R-Timer?
R-Timer is 17.42 MB.
Is R-Timer suitable for children?
App Store rates the content of R-Timer as suitable for everyone.
Who made R-Timer?
R-Timer was developed by Yoshiaki Onishi. It is listed in the sports category on the App Store.
What are the best alternatives to R-Timer?
People looking at R-Timer also look at these sports apps: SASSEN, Customizable Boxing Timer, テニス乱数表・ダブルス組み合わせ - Match Maker, Fencing Scoreboard, Touch by Touch.
Store listing
By Yoshiaki Onishi, from the App Store
Description by Yoshiaki Onishi Written by the developer, not by AppBrain. Click to read.
The sound of a gong is played at the beginning and end of a round.
You can also make some wooden clappers make a sound just before the end of a round.
New functionality has been added for providing notifications while the app or OS is in suspend mode.
Enable the notification functionality to receive notifications through messages and gong sounds.
The notification functionality settings can be found under the settings screen.
Notification Functionality in Suspend Mode
- The volume of the notifications is determined by the OS settings.
- Putting the app in suspend mode and active mode repeatedly will make the end time slip.
- Notification sounds may not be played successfully on low specification devices.
- The number of configurable notifications is determined by the OS. Setting too many notifications will cause the notification functionality to stop working.
- The app may behave differently between running in normal mode and in notification mode.
- To stop notifications, please stop the app or open the app's settings screen.
Functionality
- Notifies you of the beginning and end of a round by playing the sound of a gong.
- Find out the end time by looking at the settings screen
- Added at the start of the round the voice, such as "Round One" (up to 1-30 round)
- Add a voice such as "box" or "Fight" at the start of the round
- Can give a signal just before the end of a round by playing some wooden clappers.
- Can configure a different sound for the end of the last round.
- As you might not be able to tap on the screen, you can start, pause, and restart the app by shaking the device.
- Pause and restart the timer while it is running.
- Configure it only once and next time you will be able to use it straight away.
- Configurable volume
Note: the volume in the app is determined by the volume set on your device, so if the volume is too low, please increase the volume on your device.
Specifications
Setting the Number of Rounds : 1 - ２00
Time per round : 0[sec] - 100[min]59[sec]
Preparation time : 0[sec] - 1000[sec]
Signal before end of round : None - Time per round
Resting time : 0[sec] - 1000[sec]
Time display : 24[hour] or AM/PM
Signal
Start of round : Gong, Chinese gong, Bell
End of round : Gong, Chinese gong, Bell
End of last round : Gong, Chinese gong, Bell
Signal before end of round : Wooden clappers, Chinese gong, Bell
Note: the volume in the app is determined by the volume set on your device, so if the volume is too low, please increase the volume on your device.