Gym Timer vs Tr4iner
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.
Tr4iner
This app provides personalized guidance for weight loss and muscle gain. Expert nutritionists and trainers help users transform their physique and improve long-term health by teaching them how to train and eat according to their lifestyle.
- Personalized weight loss plans
- Muscle gain coaching
- Expert nutritionist guidance
- Step-by-step trainer support
- Lifestyle-integrated training
- Health improvement focus
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Ayudamos a personas que realmente desean Bajar de Peso o Ganar Músculos transformado su físico y mejorando su salud a largo plazo mediante nuestra Asesoría Tr4iner. No estarás sólo(a). Nuestro equipo de nutricionistas y entrenadores te guiarán paso a paso, te enseñaremos cómo entrenar y alimentarse de acuerdo a tu propio estilo de vida, de manera que logres resultados notorios dominando tu alimentación y entrenamiento por completo. Si estás aquí probablemente ya eres uno de nuestros miembros. Así que, ¡vamos a darle!
Screenshots
Verdict
The clearest difference is review sentiment: Tr4iner at 84% against Gym Timer's 55%. Tr4iner also leads on rating (4.7 vs 4.5). Gym Timer's advantage is iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.
Tr4iner holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 460 and 258 respectively. Written reviews point the same way: 55% of Gym Timer's written reviews are positive against 84% of Tr4iner's.
Gym Timer ships an update every 3 weeks, Tr4iner every 2 weeks. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.
| Parameter | Gym Timer | Tr4iner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (460 ratings) | 4.7 (258 ratings) — better |
| Positive reviews | 55.0% of reviews | 84.0% of reviews — better |
| Number of ratings | 460 — better | 258 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Giuseppe Fasano | Invadion S.A.C. |
Customer experience
Gym Timer
Tr4iner
User reviews
Gym Timer
From 460 App Store ratingsWhat we love
- 🚀 Simple and functional
- 👍 Intuitive and easy to use
- 💪 Helps keep track of sets and rest times
- 🔔 Vibration/audio alerts for rest time
Room to improve
- 🐛 Crashes and bugs, especially on Apple Watch
- 🔍 Lack of customization options
- 💤 No background/low-power mode support
- 📢 Intrusive ads interrupting workouts
Tr4iner
From 258 App Store ratingsWhat we love
- 👍 Easy to use and intuitive interface
- 💪 Comprehensive fitness and nutrition program
- 📊 Effective macro tracking system
- 🎥 High-quality instructional exercise videos
- 👨🏫 Responsive and knowledgeable coaching team
Room to improve
- 💳 Difficult cancellation process and hidden buttons
- 🚫 Lack of transparency in billing practices
- 😠 Poor customer service response to complaints
- 🌍 Company registration in Dubai raises concerns
- 🔐 Unauthorized charges without clear consent
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
Tr4iner
Reported bugs
3 issues- Cancellation button not visible in main app interface
- Account creation requires mandatory payment
- Unauthorized recurring charges
Requested features
4 requests- Expanded food database with more food options
- Ability to remove individual foods without clearing entire meal
- Better onboarding and initial app tutorial
- More transparent cancellation process
In-app purchases
Gym Timer
No in-app purchases
Tr4iner
No in-app purchases
