250+ iOS apps curated and reviewed
Looking for free amino acids otg apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | Yes | No | Jun 2026 | |
| 2 |  | Free | 3.6★ (14) | No | Yes | May 2026 | |
| 3 |  | Free was $4.99 | 3.0★ (1) | No | Yes | May 2026 | |
| 4 |  | Free | 4.4★ (14) | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.8★ (177K) | No | No | Sep 2026 | |
| 6 |  | Free | 4.8★ (4.8K) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.9★ (119K) | No | No | Sep 2026 | |
| 8 |  | Free | 4.8★ (40K) | No | No | Sep 2026 |
Master amino acids with interactive flashcards and dynamic quizzes. Access comprehensive details, track your progress, and study offline in multiple languages. Customize your learning for focused study sessions.
Explore the properties and structures of all 20 amino acids with detailed diagrams and 3D models. Test your knowledge with various quiz types, and access daily learning prompts on your Apple Watch.
Easily track your daily protein intake with personalized recommendations based on your weight and sex. Monitor your progress with detailed graphs and identify any deficiencies to adjust your diet effectively. Sync with other health apps for a comprehensive view of your nutrition.
