Chrono Tap vs Sprint Start Recorder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chrono Tap
Record videos and instantly analyze timing for sports with this app. It combines video recording and stopwatch functionality, allowing for precise time measurement by marking start and end points within your footage. Analyze laps, playback at different speeds, and even draw on videos.
- Record video and analyze time simultaneously
- Mark start and end points for precise timing
- Unlimited lap measurements
- Playback video at variable speeds
- Draw lines on video
- Export results to other apps
- Pinch-to-zoom video playback
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ChronoTapは、スマートフォンで動画を撮影、すぐその場でタイムの分析ができるアプリです。 スポーツのシーンにおいて動画の撮影は欠かせないツールの一つとなりました。 0.01秒を競うスポーツにおいて、正確なタイムの計測は欠かせません。 ストップウォッチを持って動画も撮影する。 そんな煩わしさを解消してくれるアプリです！ これ一つでビデオがストップウォッチに早変わり。 ・簡単な操作方法 1. スマートフォンのカメラで動画を撮影 2. ChronoTapアプリを立ち上げる 3. Menuから動画の読み込み 4. 撮影した動画を選択 5. スタートの位置を決定したら時計のマークをクリック 6. タイムを測定したい場所まで動画を動かして旗のマークをクリック 操作はたったのこれだけ！ ビデオの開始点と終了点に合わせて、正確なタイムを算出できます。 Lapは、無制限に何回でも計測可能。 ・便利な機能 間違えて押してしまったLapは、スワイプすることで削除できる Menuから、過去に分析した履歴を遡ることができる 結果を、LINEやメモなどに吐き出せる 動画を2本指でピンチすることで拡大できる 拡大した動画は、ダブルクリックで元のサイズに戻すことができる ペンのマークをクリックすると、動画内に直線を引くことができる 動画の再生速度を0.25、0.5、0.75倍速に変更することができる 動画は全画面表示のまま再生、コマ送り、コマ戻しに対応 電卓機能を入れたことで、動画を見ながらピッチの計算ができる
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 price: Sprint Start Recorder at Free against Chrono Tap's $9.99. Sprint Start Recorder also leads on update cadence (every 2 weeks vs every 4 months). Chrono Tap's advantage is ads (none vs shown) and review sentiment (100% vs 86%). On in-app purchases, device support and iOS requirement 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
Sprint Start Recorder is free to download; Chrono Tap costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Chrono Tap ships an update every 4 months, Sprint Start Recorder every 2 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | Chrono Tap | Sprint Start Recorder |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 85.7% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.2 | 17.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | maho yamamoto | Yuto Nagayama |
Customer experience
Chrono Tap
Sprint Start Recorder
In-app purchases
Chrono Tap
No in-app purchases
Sprint Start Recorder
No in-app purchases
Questions
Is Chrono Tap free?
Is Sprint Start Recorder free?
Do Chrono Tap or Sprint Start Recorder have ads?
Which is updated more often, Chrono Tap or Sprint Start Recorder?
Other comparisons
