Comparison

Watch Tracker vs Tap When

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Tracks wristwatch accuracy
  • Synchronizes with atomic clock
  • Measures and records time differences
  • Displays data graphs
  • Tracks multiple watches
  • Exports data to CSV
Features
Read full description

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).

About

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.

Highlights
  • Log duration-based events
  • Count event occurrences
  • Customizable event names
  • Intuitive logging interface
  • Event management
Features
Read full description

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

Watch Tracker4 screens
Tap When4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Watch Tracker versus Tap When: the parameters behind the verdict, then further details
ParameterWatch TrackerTap When
Price$4.99$0.99 — better
Rating4.7 (322 ratings)5.0 (1 ratings) — better
Positive reviews91.2% of reviews100.0% of reviews — better
Number of ratings322 — better1
Update frequencyEvery 6 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhoneiPhone, iPad — better
Requires iOS26.017.5 — better
Further details — not scored
Size1 MB0 MB
Age rating4+4+
DeveloperTom Kerrigan骏飞 潘

Customer experience

Watch Tracker

All ratings322 ratings
Positive93.2%
Neutral0.9%
Negative5.9%
Written reviews205 reviews
Positive91.2%
Neutral2.9%
Negative5.9%

Tap When

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

None

Watch Tracker

No in-app purchases

None

Tap When

No in-app purchases

Questions

Is Watch Tracker free?
Watch Tracker costs $4.99, with no in-app purchases.
Is Tap When free?
Tap When costs $0.99, with no in-app purchases.
Which has better reviews, Watch Tracker or Tap When?
Tap When is rated higher. Watch Tracker averages 4.7 out of 5 from 322 ratings, while Tap When averages 5.0 from 1 ratings.
Do Watch Tracker or Tap When have ads?
Neither Watch Tracker nor Tap When shows ads.
Which is updated more often, Watch Tracker or Tap When?
Watch Tracker ships an update every 6 months, and Tap When every 2 days. Most recently, Watch Tracker was updated on October 10, 2026 and Tap When on September 24, 2026.

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