Comparison

R vs タバタ式タイマー

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

R

Features
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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.

About

タバタ式タイマー

Features
Read full description

1996年にタバタ式トレーニングの論文が発表されて以来、その理論をもとにした数多くのHIIT(Hight Intensity Interval Training)プログラムが開発されてきました。 本来のタバタ式トレーニングは1ラウンド4分(20秒の高強度のエクササイズ、10秒の休憩、x8回)という内容で、短時間で効果的なトレーニングが可能というメリットがあります。 本アプリはそれを初めとする様々なトレーニングで必要な機能を提供しています。運動時間と休憩時間をセットして、スタートボタンを押すだけですので、複雑な操作が苦手という方もご利用頂けるのではないかなと思います。

Screenshots

R4 screens
タバタ式タイマー4 screens

Verdict

The call

The clearest difference is price: タバタ式タイマー at Free against R's $0.99. タバタ式タイマー also leads on iOS requirement (10.0 vs 13.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

タバタ式タイマー is free to download; R costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

R ships an update every 3 months, タバタ式タイマー every 2 months. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 5 level
R versus タバタ式タイマー: the parameters behind the verdict, then further details
ParameterRタバタ式タイマー
Price$0.99Free — better
Positive reviews—100.0% of reviews
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.010.0 — better
Further details — not scored
Size17 MB27 MB
Age rating4+4+
DeveloperYoshiaki OnishiYudai Fukuda

In-app purchases

None

R

No in-app purchases

None

タバタ式タイマー

No in-app purchases

Questions

Is R free?
R costs $0.99, with no in-app purchases.
Is タバタ式タイマー free?
タバタ式タイマー is free to download, with no in-app purchases.
Do R or タバタ式タイマー have ads?
Neither R nor タバタ式タイマー shows ads.
Which is updated more often, R or タバタ式タイマー?
R ships an update every 3 months, and タバタ式タイマー every 2 months. Most recently, R was updated on October 2, 2026 and タバタ式タイマー on October 12, 2026.

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