178+ iOS apps & games curated and reviewed
Right Angle is the household name in right angle, but it's far from the only option. We track 178+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.9★ (30) | No | Yes | Jul 2026 | |
| 2 |  | Free | 2.0★ (2) | Yes | Yes | Aug 2026 | |
| 3 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 4 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 5 |  | Free | — | No | Yes | Jun 2026 | |
| 6 |  | Free | 4.7★ (768) | No | Yes | Sep 2026 | |
| 7 |  | Free | 4.7★ (140) | Yes | No | Sep 2026 | |
| 8 |  | Free | 4.4★ (359) | Yes | Yes | Sep 2026 |
This app calculates triangles and segments of circles. It supports various angle input formats and offers solutions for oblique triangles and circle segments with optional add-ons. A right triangle calculator is included for free.
Test your geometry knowledge by accurately guessing angles on screen. This game offers a sleek design, multiple difficulty levels, and engaging game modes to challenge your spatial reasoning skills.
Calculate side lengths, angles, area, and perimeter of right-angle triangles. Visualizes the triangle with adjustable precision and offers options to rotate, flip, and customize themes. Reuses previous entries for efficiency.
