Learn basic trigonometric formulas through interactive theory and fun games. Earn points to progress through levels and master the concepts.






244+ iOS apps curated and reviewed
Every iPhone needs a few good trigonometry calculator identities apps. We benchmark 244+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 1.0★ (4) | No | No | May 2026 | ||
| 2 | Free | 4.3★ (19) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 4.5★ (126K) | Yes | Yes | Oct 2026 | ||
| 4 | Free | — | No | No | Aug 2026 | ||
| 5 | Free | 2.0★ (4) | No | Yes | May 2026 | ||
| 6 | Free | 4.7★ (61K) | No | No | Oct 2026 | ||
| 7 | Free | — | No | No | Aug 2026 | ||
| 8 | $1.99 | 4.7★ (481) | No | Yes | Oct 2026 |






Learn basic trigonometric formulas through interactive theory and fun games. Earn points to progress through levels and master the concepts.






This app calculates key values for right-angled and scalene triangles with high precision. It offers a user-friendly interface, flexible angle units, and includes a reference guide to trigonometric formulas. A subscription unlocks calculation steps and removes ads.





This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.