トレーニング・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.
トレーニング・タイマー
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筋トレなどで使うタイマーになります。 タイマー時間と繰り返し回数および間隔を指定する事ができます。 【例: 1セット3分でインターバル30秒空けて5回】 など。 各セットの開始、および終了時にアラーム音がなります。 また30秒毎と、最後の20秒、10秒で残り時間を音声で通知しますのでペース配分や追い込みの練習に便利です
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. ● Lock Screen & Dynamic Island See your remaining time on the Lock Screen and Dynamic Island without unlocking your phone. 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 now appears on the Lock Screen and 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 plans - Your timer data stays on your device - Lightweight and fast — no bloat, no account required - Supports Dynamic Island and Live Activities 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: トレーニング・タイマー at none against Gym Timer's shown. トレーニング・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 19 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.
トレーニング・タイマー ships an update every 19 months, Gym Timer every 3 weeks. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.
| Parameter | トレーニング・タイマー | Gym Timer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 19 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 9 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazuyoshi Aizawa | takeru urushihara |
In-app purchases
トレーニング・タイマー
No in-app purchases
Gym Timer
No in-app purchases









