171+ iOS apps & games curated and reviewed
Isosceles Triangle PRO is the household name in isosceles triangle pro, but it's far from the only option. We track 171+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $2.99 | 5.0★ (2) | No | No | Oct 2026 | |
| 2 |  | Free | — | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.2★ (31) | No | No | Oct 2026 | |
| 4 |  | Free | 3.6★ (5) | No | No | Oct 2026 | |
| 5 |  | Free | 5.0★ (2) | No | No | Oct 2026 | |
| 6 |  | Free | 3.8★ (6) | No | No | Oct 2026 | |
| 7 |  | Free | 4.1★ (216) | No | Yes | Nov 2026 | |
| 8 |  | $2.99 | 5.0★ (1) | No | No | Oct 2026 |
Calculate all properties of an isosceles triangle, whether acute or obtuse. Input known values to see formulas and results. Supports decimals, fractions, and step-by-step solutions with history saving and sharing.
Calculate unknown sides and angles of a triangle with ease. Supports various input combinations, including two angles and one side, two sides and one angle, or three sides.
