MUSMON: Workout Tracker & Pet
Rei Wakamatsu Health & Fitness iPhoneiPadiPod touch
MUSMON: Workout Tracker & Pet is a free Health & Fitness app for iPhone and iPad by Rei Wakamatsu. Requires iOS 13.0. Updated July 8, 2026.
- Price
- Free
- on the App Store
- Size
- 90 MB
- Age 4+
- Updated
- Jul 8
- 2026 · v1.2.1
Screenshots
About MUSMON: Workout Tracker & Pet
[All-New] Get stronger as you train — Fitness x Monster Raising From one-tap logging to volume trends, personal bests, and per-muscle analysis, MUSMON is a serious workout tracker. And the more you train, the more your buddy monster grows and evolves, so you keep coming back. For hardcore lifters who manage by the numbers, and for anyone who wants to make training fun. The stronger you get, the stronger your monster. That's how you keep going. ■ No-compromise logging - Log in one tap: exercises, weight, reps and sets, accurately - Unlimited templates and history copy keep input effortless - Create your own exercises and routines freely ■ Manage your progress with data - Volume trends, personal bests and full history, all visualized - Track training volume per muscle group and spot imbalances at a glance - See real numbers, so you can push harder ■ Your reward is a monster - Earn EXP and eggs when you finish a workout - Raise and hatch eggs into monsters - Train more and they evolve, growing stronger and cooler ■ Collecting keeps you going - Gather unique monsters and complete your collection - Chase the rare ones and train again today ■ Level up with friends - Check out other users' monsters and collections - Add friends and push each other to get stronger ■ Premium (optional, auto-renewing subscription) For those who want to raise even more comfortably. - 5 training slots / 1.5x EXP / more eggs per workout / ad-free - Monthly and yearly plans (with a 14-day free trial) - All core features are free to use After the trial it automatically converts to a paid plan. It auto-renews unless canceled at least 24 hours before the period ends, and you can cancel anytime in your Apple ID settings. Prices are shown in the app. Terms of Use: https://rwakamatsu522.github.io/musmon-legal/terms-en.html Privacy Policy: https://rwakamatsu522.github.io/musmon-legal/privacy-en.html No HealthKit, no login required. Install and start right away. Train, raise, and get stronger.
What’s new
Version 1.2.1 · Updated July 8, 2026
[New] Monthly League • Earn points as you train and compete on the monthly leaderboard (opt-in) • Reach the top tiers to earn exclusive title badges • New Friends Leaderboard to compete with friends
App privacy
The developer, Rei Wakamatsu, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Health & Fitness: Fitness
- Purchases: Purchase History
- Contact Info: Email Address
- User Content: Other User Content
- Identifiers: User ID
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
Used for: Third-Party Advertising, Analytics, App Functionality
Alternatives to MUSMON: Workout Tracker & Pet
Looking for apps like MUSMON: Workout Tracker & Pet? Here are 6 similar apps on the App Store. The highest rated is Absorb Meditation (5.0/5), and all 6 are free to download.
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Torelog - Workout Logger
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fast_burn
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楽トレ -「楽」しく「楽」にトレーニングできるアプリ
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Absorb Meditation
5.0
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Boring Stories: Sleep Well
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Cables: Gym Tracker
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| MUSMON: Workout Tracker & Pet | – | Free | July 8, 2026 | |
| Torelog - Workout Logger | – | Free | May 14, 2026 | Compare |
| fast_burn | – | Free | Jun 1, 2026 | Compare |
| 楽トレ -「楽」しく「楽」にトレーニングできるアプリ | – | Free | Apr 12, 2026 | Compare |
| Absorb Meditation | 5.0 / 5 (1) | Free | Mar 6, 2026 | Compare |
| Boring Stories: Sleep Well | – | Free | Jun 29, 2026 | Compare |
| Cables: Gym Tracker | – | Free | Jul 14, 2026 | Compare |