Watch Tracker vs Tap When
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watch Tracker
Easily track your wristwatch's accuracy against an atomic clock. This app measures and records time differences, displaying detailed graphs of your watch's performance. It's designed to be more accurate and simpler than traditional methods.
- Tracks wristwatch accuracy
- Synchronizes with atomic clock
- Measures and records time differences
- Displays data graphs
- Tracks multiple watches
- Exports data to CSV
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Watch Tracker is a revolutionary app for tracking the accuracy of a wristwatch. It's dramatically easier and more accurate than any previous method. Just tap a button when the time on your watch matches the time displayed by the app, and Watch Tracker does the rest. It synchronizes with an atomic clock, measures and records the difference, and displays graphs of all the data points you've recorded. - Uses best-fit analysis to accurately calculate how many seconds your watch gains or loses per day - Displays graphs of rates and variance - Can track multiple watches simultaneously - Saves data in CSV files that can be opened with any spreadsheet software Watch Tracker is made by the developer of tChess (the chess app that was featured in Apple's "Learn" commercial for the iPad) and Learn Chess (the Apple Staff Favorite e-book).
Tap When
This app helps you organize by tracking important events. It's useful for timing activities like workouts or counting occurrences such as daily habits. The intuitive design makes logging and managing events simple.
- Log duration-based events
- Count event occurrences
- Customizable event names
- Intuitive logging interface
- Event management
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Our app is designed to help you stay organized by tracking the events that matter most to you. Whether timing activities or keeping count, our app is your perfect companion. Key Features: • Versatile Tracking: Log events where duration matters, like workouts, study sessions, or contractions, and events where only the count matters, like baby kicks or daily habits. • Customizable Events: Tailor your event tracking to fit your unique needs. Create and name your events to reflect your daily life, from work tasks to commuting. • Easy-to-Use Interface: Our intuitive design ensures you can effortlessly log, view, and manage your events anytime, anywhere.
Screenshots
Verdict
The clearest difference is update cadence: Tap When at every 2 days against Watch Tracker's every 6 months. Tap When also leads on rating (5.0 vs 4.7) and price ($0.99 vs $4.99). Watch Tracker's advantage is ratings volume (322 vs 1). On ads, in-app purchases, monetization model 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
Watch Tracker costs $4.99 and Tap When $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Tap When holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Watch Tracker has 322 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of Watch Tracker's written reviews are positive against 100% of Tap When's.
Watch Tracker ships an update every 6 months, Tap When every 2 days. The most recent releases landed on October 10, 2026 and September 24, 2026 respectively.
| Parameter | Watch Tracker | Tap When |
|---|---|---|
| Price | $4.99 | $0.99 — better |
| Rating | 4.7 (322 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 91.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 322 — better | 1 |
| Update frequency | Every 6 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 17.5 — better |
| Further details — not scored | ||
| Size | 1 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Tom Kerrigan | 骏飞 潘 |
Customer experience
Watch Tracker
Tap When
Bugs and requests
Watch Tracker
Reported bugs
2 issues- Crashes when trying to add photos
- Inconsistent time tracking results
Requested features
4 requests- Add more positional variance options
- Implement cloud sync for data
- Add more customization options
- Improve support for newer iOS versions
Tap When
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Watch Tracker
No in-app purchases
Tap When
No in-app purchases
Questions
Is Watch Tracker free?
Is Tap When free?
Which has better reviews, Watch Tracker or Tap When?
Do Watch Tracker or Tap When have ads?
Which is updated more often, Watch Tracker or Tap When?
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