iStopwatch vs UltraStop
Price, ratings, monetisation and update history for both apps, side by side โ 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 โข LCD Display โ Authentic digital display with glowing digits, just like a real LCD stopwatch โข Lap Tracking โ Record unlimited laps with fastest/slowest indicators โข Volume Key Control โ Start, record, pause, and reset using your device's volume buttons โ no need to touch the screen โข 6 Custom Fonts โ Choose from Digital-7, Orbitron, Share Tech Mono, VT323, Menlo, or SF Mono โข 4 LCD Themes โ Switch between LCD Cyan, Green, Blue, or a dazzling Purple-Pink-Blue gradient โข Haptic & Sound Feedback โ Feel and hear every action โข Background Timing โ Keeps counting even when you switch apps โข Copy Records โ Share your lap data instantly โข Dark Mode โ 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.
UltraStop
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A high-performance stopwatch app designed for tasks requiring ultra-precise time measurement. It measures time down to milliseconds and microseconds with exceptional accuracy, making it perfect for experiments, sports, programming tests, and more. With an intuitive interface, anyone can effortlessly record precise timings.
Screenshots
Verdict
The clearest difference is in-app purchases: UltraStop at none against iStopwatch's 1. UltraStop also leads on ads (none vs shown) and device support (3 vs 1). iStopwatch's advantage is update cadence (monthly vs every 12 months). On price and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. iStopwatch sells 1 one-off in-app purchase. UltraStop asks for nothing beyond the download.
iStopwatch ships an update monthly, UltraStop every 12 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.
| Parameter | iStopwatch | UltraStop |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly โ better | Every 12 months |
| Ads | Yes | No โ better |
| In-app purchases | Yes | No โ better |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 16.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 9 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | ๆฏ็ ้ | JUHWAN LEE |
In-app purchases
iStopwatch
- Pro Version$1.99
UltraStop
No in-app purchases
Questions
Is iStopwatch free?
Is UltraStop free?
Do iStopwatch or UltraStop have ads?
Which is updated more often, iStopwatch or UltraStop?
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