Gym Timer vs Whistle Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gym Timer
This app helps you track gym sessions and manage rest times between sets. It's designed for use on a smartwatch, allowing you to leave your phone behind. The app alerts you when it's time to train again, ensuring your workout flows smoothly.
- Track gym sessions
- Time rest periods between sets
- Smartwatch optimized
- Phone-free gym experience
- Alerts for training intervals
- HealthKit integration
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Gym Timer helps you tracking your gym sessions and timing rest time. - You can leave your smartphone in the locker room: An app designed from the concept of the Apple Watch's app to give you the best mobility in the gym, without the need to lug around the smartphone. It's all on your wrist. With CareKit and HealthKit integration, your workout will never be interrupted if your Apple Watch goes into standby mode. - It does everything: With Gym Timer, you just set the number of sets and the rest time between one set and the other, then you just need to start the timer at the end of each set. When is time to start to train again, it will alert you. Follow us on our social media to be the first to know about new features we're developing, to get in touch with our community and give us a feedback. Facebook: https://www.facebook.com/gymtimer/ Instagram: @gym_timer Twitter: @gym_timer Gym Timer uses Health Kit for some functionalities like staying active while your watch screen is off.
Whistle Timer
Create custom workout schedules with customizable work and break intervals. Save your training plans for future use and focus on your fitness goals. The app can run in the background to keep your workout on track.
- Customizable workout schedules
- Add custom breaks
- Save training plans
- Background operation
- Whistle sound option
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Whistle Timer lets you create a customised working schedule without anything unnecessary. - Blow a whistle forever - Add customised breaks - Focus on your workout! - Save your plans for further use - Run on the background
Screenshots
Verdict
The clearest difference is in-app purchases: Gym Timer at none against Whistle Timer's 1. Gym Timer also leads on update cadence (every 3 weeks vs every 10 months) and review sentiment (55% vs 29%). On price, rating, ads 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
Both are free to download. Whistle Timer sells 1 one-off in-app purchase. Gym Timer asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Gym Timer against 4.4 for Whistle Timer. Both are backed by a comparable volume of ratings — 460 and 99 respectively. Written reviews are what separate them: 55% of Gym Timer's written reviews are positive against 29% of Whistle Timer's.
Gym Timer ships an update every 3 weeks, Whistle Timer every 10 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.
| Parameter | Gym Timer | Whistle Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (460 ratings) — better | 4.4 (99 ratings) |
| Positive reviews | 55.0% of reviews — better | 28.6% of reviews |
| Number of ratings | 460 — better | 99 |
| Update frequency | Every 3 weeks — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15 |
| Further details — not scored | ||
| Size | 19 MB | 4 MB |
| Age rating | 4+ | +4 |
| Developer | Giuseppe Fasano | Applorium Ltd |
Customer experience
Gym Timer
Whistle Timer
Bugs and requests
Gym Timer
Reported bugs
4 issues- Timer resets unexpectedly
- Set/rep count not updating correctly
- Syncing issues with Apple Watch
- Notifications not working as expected
Requested features
4 requests- Add option to track exercise time
- Implement workout history/progress tracking
- Provide Apple Watch complications
- Offer paid ad-free version
Whistle Timer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Gym Timer
No in-app purchases
Whistle Timer
- Unlock all settings$2.99
Questions
Is Gym Timer free?
Is Whistle Timer free?
Which has better reviews, Gym Timer or Whistle Timer?
Do Gym Timer or Whistle Timer have ads?
Which is updated more often, Gym Timer or Whistle Timer?
Other comparisons
