タバタ式タイマー vs Gym Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
タバタ式タイマー
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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。
Gym Timer
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Gym Timer is a free interval timer app designed for weight training, HIIT, Tabata, and boxing workouts. It helps you manage rest periods between sets with precision so you can stay focused and get the most out of every session. Whether you train at the gym or at home, Gym Timer gives you accurate, customizable timers that are free to use, with optional Premium plans for an ad-free experience. KEY FEATURES ● 9 Built-in Workout Presets Start training immediately with ready-made presets: 1/2/3/5-minute rest timers, Tabata (20s work / 10s rest), HIIT 30/30, Boxing rounds (3min / 1min rest), and more. No setup required. ● Fully Customizable Timers Create your own timer menus with unlimited steps. Set custom durations, names, and colors for each step. Perfect for building routines that match your exact training style. ● Repeat Once, by Count, or Infinitely Run Tabata, HIIT, and boxing for a set number of rounds — or loop until you stop. Choose none, a count from 1–99, or infinite repeat. ● Lock Screen & Dynamic Island See your remaining time on the iPhone or iPad Lock Screen, and on Dynamic Island, without unlocking your device. Never miss a timer while resting between sets. ● Background Timer with Notifications The timer keeps running in the background. Get notified with sound alerts and vibrations when each step completes — even when your phone is locked. ● Color-Coded Steps Distinguish training from rest periods at a glance. Choose from 9 colors to visually organize your workout steps. ● Stopwatch with Live Activity & Voice Announcements Track your workout times with a stopwatch that supports lap recording with centisecond precision. The stopwatch appears on the iPhone or iPad Lock Screen and on Dynamic Island, and announces elapsed time aloud — focus on your workout without checking the screen. ● Haptic Feedback & Sound Effects Get clear physical and audio cues when steps start, pause, or complete. WHY CHOOSE GYM TIMER - Free to download, with optional Premium monthly or lifetime plans - Your timer data stays on your device - Lightweight and fast — no bloat, no account required - Lock Screen Live Activities on iPhone and iPad, plus Dynamic Island on iPhone 14 Pro and later - Designed specifically for weight training rest periods PERFECT FOR - Managing rest periods between sets at the gym - HIIT and Tabata interval training at home - Boxing round timers - CrossFit and circuit training - Anyone looking for a simple, reliable workout timer Download Gym Timer today and take control of your rest periods. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: タバタ式タイマー at none against Gym Timer's shown. タバタ式タイマー also leads on iOS requirement (10.0 vs 16.2). Gym Timer's advantage is update cadence (every 3 weeks vs every 2 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
タバタ式タイマー ships an update every 2 months, Gym Timer every 3 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.
| Parameter | タバタ式タイマー | Gym Timer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 27 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Yudai Fukuda | takeru urushihara |
In-app purchases
タバタ式タイマー
No in-app purchases
Gym Timer
No in-app purchases








