Twinsi
Nutmeg AI, Inc. Health & Fitness iPhoneiPadiPod touch
Twinsi is a free Health & Fitness app for iPhone and iPad by Nutmeg AI, Inc. Rated 4.9/5 from 30 ratings. Requires iOS 16.4. Updated October 17, 2026.
- Rating
- 4.9
- 30 ratings
- Price
- Free
- on the App Store
- Size
- 118 MB
- Age 17+
- Updated
- Oct 17
- 2026 · v1.3.42
Screenshots
About Twinsi
Twinsi is your AI fitness companion that makes exercising consistently feel personal, visual, and rewarding. Create your Twinsi — a digital twin that mirrors your training habits. When you move, it glows and grows stronger. When you skip, it droops. It’s a fun and motivating way to see your progress and stay accountable without guilt. Track your workouts and build momentum over time: - Stay motivated with a companion that evolves with you - Turn activity into a clear, satisfying streak you can maintain - Celebrate wins with rewards and progress moments Whether you’re getting back into a routine or pushing for new goals, Twinsi helps you build the habit — one workout at a time.
Ratings & reviews
4.9
30 ratings
What’s new
Version 1.3.42 · Updated October 17, 2026
- 1v1 Battle Emotes: Win exclusive emotes and flash them during your head-to-head showdowns to playfully taunt your rivals! - Streamlined Onboarding: We’ve smoothed out the setup flow so getting started on Twinsi is faster, simpler, and more seamless.
App privacy
The developer, Nutmeg AI, Inc., 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
- Contact Info: Name, Phone Number
- Contacts: Contacts
Used for: Product Personalization, App Functionality, Other Purposes
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:
- Usage Data: Product Interaction
Used for: Analytics
Alternatives to Twinsi
Looking for apps like Twinsi? Here are 6 similar apps on the App Store. The highest rated is Pump Fit (5.0/5), and all 6 are free to download.
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Pump Fit
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Rivlo: AI Step Tracker & Coach
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SweatCount - Workout Calendar
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BloomFit - Cycle Workout Coach
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Repperoo - Save Workouts
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Gymgineer: Home Workout
2.7
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Twinsi | 4.9 / 5 (30 ratings) | Free | October 17, 2026 | |
| Pump Fit | 5.0 / 5 (16) | Free | Oct 3, 2026 | Compare |
| Rivlo: AI Step Tracker & Coach | 4.6 / 5 (45) | Free | Oct 9, 2026 | Compare |
| SweatCount - Workout Calendar | 5.0 / 5 (1) | Free | Aug 7, 2026 | Compare |
| BloomFit - Cycle Workout Coach | – | Free | Jul 2, 2026 | Compare |
| Repperoo - Save Workouts | 4.5 / 5 (4) | Free | Oct 18, 2026 | Compare |
| Gymgineer: Home Workout | 2.7 / 5 (3) | Free | Sep 1, 2026 | Compare |
Compare Twinsi with the top alternatives: ratings, updates, ASO score and keyword gaps →