TRAINER WATCH vs Sprint Start Recorder
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 Start Recorder
This tool helps track sprint start cues, video, and timing for track and field athletes. It simulates realistic race day sequences with adjustable intervals and records clear videos with embedded stopwatch overlays for reaction time analysis.
- Realistic start cues with gunshot sound
- Adjustable cue intervals
- Auto-zoom video recording
- Clear video quality for form review
- Embedded stopwatch timer for reaction time
- Simulates 'On Your Marks, Set, Bang!'
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The Ultimate Sprint Start Training Tool! Sprint Start Recorder is designed for serious track and field athletes who want to improve their 100m sprint start and reaction time with timed cues, video recording, and stopwatch overlays. This app is available for free. ■ Realistic Start Cues with Loud Gunshot Train like a race day with the sequence: "On Your Marks" → "Set" → Bang! (gunshot) You can freely adjust the interval between each cue to match your training style. ■ Auto-Zoom Camera with Clear Start Videos Capture every moment of your sprint with auto-zoom video recording. Recordings are crystal clear, perfect for reviewing form and reaction. ■ Stopwatch Overlay for Accurate Measurement A stopwatch timer is automatically embedded in your videos for precise reaction time analysis. No extra tools needed — just hit record and run. Recommended For: Track athletes training for the 100m sprint Coaches or athletes looking for recorded start drills with timers Anyone who wants to simulate “On Your Marks → Set → Bang!” in solo practice
Screenshots
Verdict
The clearest difference is iOS requirement: TRAINER WATCH at 14.2 against Sprint Start Recorder's 17.6. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 29, 2026 and October 28, 2026 respectively.
| Parameter | TRAINER WATCH | Sprint Start Recorder |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 85.7% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.2 — better | 17.6 |
| Further details — not scored | ||
| Size | 16 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Kohei Karita | Yuto Nagayama |
In-app purchases
TRAINER WATCH
No in-app purchases
Sprint Start Recorder
No in-app purchases
Questions
Is TRAINER WATCH free?
Is Sprint Start Recorder free?
Do TRAINER WATCH or Sprint Start Recorder have ads?
Which is updated more often, TRAINER WATCH or Sprint Start Recorder?
Other comparisons
