TRAINER WATCH vs Sprint Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TRAINER WATCH
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陸上競技部のマネージャーの要望をヒアリングし、現場で使いやすいようにカスタマイズしています。 紙に記録を書く必要はありません。 蓄積したデータはチームメンバー間で共有可能となり、データ登録後すぐに確認することが可能です。 効率よくチームメンバーのタイムを管理することで、スポーツにおけるデータ活用を加速させます。 ■対応スポーツ ・本アプリは陸上競技での使用を想定して開発しておりますが、水泳やその他スポーツのランニングトレーニングにおいても利用可能です。 ・ストップウォッチで計測したタイムをリアルタイムでアスリートごとに割り当てることができるので、スポーツチームでの幅広い活用ができます。
Sprint Timer
This app functions as a starter and stopwatch for track events. It allows users to customize starting commands and measure race times, with options for randomized timing and saving recorded data. It's ideal for practice sessions or when official starters are unavailable.
- Customizable start commands
- Randomized SET to pistol timing
- Save and view measured times
- Adjustable distance settings
- Color customization for timer and background
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Starter & stopwatch app for track. It can be used for practicing the starting race command or to help you measure your time. Please use it for club activities or when there is no one in charge of starting the race. ● Basic functions 1. Starter You can set the time from ON YOUR MARK to SET and from SET to pistol sound as you like. The time from SET to pistol sound can also be randomized. 2. Time recording Measured times can be saved. Saved times can be viewed by date. 3. Distance setting Tap the distance to change it. In the initial display, 100m is set. 4. Color settings The background color and timer color can be changed.
Screenshots
Verdict
The clearest difference is in-app purchases: TRAINER WATCH at none against Sprint Timer's 2. On price, update cadence, ads 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. Sprint Timer sells 2 one-off in-app purchases. TRAINER WATCH asks for nothing beyond the download.
TRAINER WATCH ships an update every 2 weeks, Sprint Timer monthly. The most recent releases landed on March 4, 2026 and September 12, 2026 respectively.
| Parameter | TRAINER WATCH | Sprint Timer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (4 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 34 MB |
| Age rating | 4+ | 17+ |
| Developer | Kohei Karita | NAOYA ONO |
In-app purchases
TRAINER WATCH
No in-app purchases
Sprint Timer
- Support Developer$0.99
- Remove ads$9.99
