R-Timer Downloads & RevenueR-Timer · App Store
R-Timerでスマホがラウンドタイマーに！
R-Timer is #63 in Sports Paid in Japan and charting in 1 of 30 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperYoshiaki Onishi
CategorySports
Price150 JPY
Released
Rating★ 4.5 (2)
Version1.9.4
Age rating4+
First seen by us
24 Sep 2026
24 Sep 2026Full timeline · 2 events in the last 12 months
- 🆕R-Timer first spotted by AppInsider#71 in Top Paid · Sports · Japan
- 🆕R-Timer released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.5 ★
2 ratings
Measured
Best rank now
#63
Sports PaidMeasured
R-Timer on the App Store
App details
App ID
955756843
Publisher
Yoshiaki Onishi
On the store since
Jan 2015
11 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
2
EN JA
Size
18 MB
Also listed in
Health & Fitness
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | SportsPaid | #63 |
Apps near R-Timer on the chart
Sports Paid, around #63.
Ratings
App Store, worldwide.
Rating
4.5 ★
2 ratings
Measured
Ratings
2
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
under 1
4-week average
Lifetime rating
4.5★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
20/100
faster than 0% of Sports 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 R-Timer
R-Timer is a timer that plays the sound of a gong - designed for sports matches such as boxing.
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.
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.
Latest updates
1.9.4
Fixed some minor bugs.
