246+ iOS apps curated and reviewed
Out of 246+ trigonometry apps on iOS, 14 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (10) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 4.3★ (19) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.8★ (5) | No | No | Aug 2026 | |
| 4 |  | Free | 4.7★ (768) | No | Yes | Oct 2026 | |
| 5 |  | Free | — | No | No | Aug 2026 | |
| 6 |  | Free | — | No | Yes | May 2026 | |
| 7 |  | Free | 1.0★ (4) | No | No | May 2026 | |
| 8 |  | Free | — | — | No | May 2026 |
Master trigonometry with interactive lessons and exercises designed for beginners. This app offers step-by-step explanations, fun challenges, and instant feedback to build your confidence from basic angles to word problems.
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 helps students quickly memorize the unit circle. It quizzes users on sine, cosine, tangent, and inverse trigonometric values for key angles. Developed by students for students, it's ideal for precalculus learners.
