iStopwatch vs R
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iStopwatch
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A precision LCD-style stopwatch with lap tracking, volume key control, and customizable fonts. Whether you're timing a run, coaching a sport, or need a reliable counter for any task, iStopwatch delivers with style and accuracy. KEY FEATURES • LCD Display — Authentic digital display with glowing digits, just like a real LCD stopwatch • Lap Tracking — Record unlimited laps with fastest/slowest indicators • Volume Key Control — Start, record, pause, and reset using your device's volume buttons — no need to touch the screen • 6 Custom Fonts — Choose from Digital-7, Orbitron, Share Tech Mono, VT323, Menlo, or SF Mono • 4 LCD Themes — Switch between LCD Cyan, Green, Blue, or a dazzling Purple-Pink-Blue gradient • Haptic & Sound Feedback — Feel and hear every action • Background Timing — Keeps counting even when you switch apps • Copy Records — Share your lap data instantly • Dark Mode — Easy on the eyes, perfect for any lighting PERFECT FOR - Running and jogging - Swimming and cycling - Workout intervals - Cooking and baking - Lab experiments - Any timing task Download iStopwatch and time everything with precision.
R
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計測ボタンをタップした時刻を記録するアプリです。計測した時刻”時 分 秒 1/10秒”を表示し記録します。 計測タイミングはボタンをタップし、指をボタンから離すタイミングです。 誤って計測ボタンをタップした場合、計測表示された時刻を左にスライドすることで削除できます。 計測した時刻は履歴としてテキストファイルに保存されます。 履歴ファイルは標準アプリ”ファイル”からアクセスすることができ、メールでの送信やネットストレージへの保存などができます。
Screenshots
Verdict
The clearest difference is price: iStopwatch at Free against R's $0.49. R's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
iStopwatch is free to download; R costs $0.49 up front. iStopwatch sells 1 one-off in-app purchase. R asks for nothing beyond the download.
| Parameter | iStopwatch | R |
|---|---|---|
| Price | Free — better | $0.49 |
| Update frequency | Monthly | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 景珂 陈 | TADAYOSHI SATO |
In-app purchases
iStopwatch
- Pro Version$1.99
R
No in-app purchases









