Muscle Odyssey
Yoshihiko Okano Health & Fitness iPhoneiPadiPod touch
Muscle Odyssey is a free Health & Fitness app for iPhone and iPad by Yoshihiko Okano. Requires iOS 16.0. Updated September 21, 2026.
- Price
- Free
- on the App Store
- Size
- 8 MB
- Age 4+
- Updated
- Sep 21
- 2026 · v1.2
Screenshots
About Muscle Odyssey
One rep today changes who you are tomorrow. Muscle Odyssey turns building a workout habit into a game you'll want to keep playing. Muscle Odyssey is a simple habit app for strength training at home or at the gym. Just tap the exercises you did today. No complicated forms to fill in. The more you train, the more your character grows through five stages of evolution, all the way to its ultimate form. Perfect if you: • Want to start working out but struggle to stay consistent • Find detailed workout logs too tedious • Want to see your effort pay off in a visible way Key features • Log workouts with a single tap: 10 home exercises and 10 gym exercises • Watch your character evolve through 5 stages as you keep training • Complete 10 exercises in a day to add one day to your total • Clear all 20 exercises in a day to earn a special Perfect Medal • Each journey lasts 365 days. Finish it to earn a star and start your next lap • Keep your records when you switch iPhones, as long as iCloud Backup is on • Clear, beginner-friendly exercise names like push-ups and squats • Available in English, Japanese, Spanish, Traditional Chinese and Korean Premium features (subscription) • Analytics: current streak, monthly completion rate and a calendar of past workouts • Body weight log with a progress chart • Protein intake log No expertise needed. Start your journey today and grow stronger alongside your character, one day at a time. ―――――――――― About subscriptions • Premium is available as a monthly or yearly subscription. • New subscribers can start with a 7-day free trial. • Payment is charged to your Apple ID account at confirmation of purchase, or when the free trial ends. • Your subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. • You can manage or cancel your subscription in your Apple ID account settings after purchase. • Any unused portion of a free trial is forfeited when you purchase a subscription. Privacy Policy: https://y1693618-lang.github.io/muscleodyssey-privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.2 · Updated September 21, 2026
Refreshed the App Store screenshots and search keywords in every supported language, and added a link to the app's website. Nothing changed inside the app — your records and your character are exactly where you left them.
App privacy
The developer, Yoshihiko Okano, reported these privacy practices to Apple.
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:
- Purchases: Purchase History
Used for: Analytics, App Functionality
Alternatives to Muscle Odyssey
Looking for apps like Muscle Odyssey? Here are 5 similar apps on the App Store. The highest rated is Hevy - Workout Tracker Gym Log (4.9/5), and all 5 are free to download.
-
LightKing: Time in Daylight
-
Run2O: GPS Running Tracker
-
VIA-L: Midlife, Explained
-
GoRise: Smart Alarm Clock
-
Hevy - Workout Tracker Gym Log
4.9
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Muscle Odyssey | – | Free | September 21, 2026 | |
| LightKing: Time in Daylight | – | Free | Sep 19, 2026 | Compare |
| Run2O: GPS Running Tracker | – | Free | Oct 4, 2026 | Compare |
| VIA-L: Midlife, Explained | – | Free | Oct 25, 2026 | Compare |
| GoRise: Smart Alarm Clock | – | Free | Oct 21, 2026 | Compare |
| Hevy - Workout Tracker Gym Log | 4.9 / 5 (100,089) | Free | Oct 23, 2026 | Compare |
Compare Muscle Odyssey with the top alternatives: ratings, updates, ASO score and keyword gaps →