205+ iOS apps curated and reviewed
RationalNumberCalculator is the household name in rationalnumbercalculator, but it's far from the only option. We track 205+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (6) | Yes | No | May 2026 | |
| 2 |  | Free | 4.7★ (1.7M) | Yes | Yes | Sep 2026 | |
| 3 |  | $1.99 | 4.8★ (1.1K) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.6★ (10K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.9★ (409K) | Yes | No | Sep 2026 | |
| 6 |  | Free | 4.3★ (332) | No | No | Sep 2026 | |
| 7 |  | Free | 4.7★ (61K) | No | No | Sep 2026 | |
| 8 |  | Free | 4.4★ (51) | Yes | No | Sep 2026 |
Perform calculations with fractions, decimals, and mixed numbers. Supports addition, subtraction, multiplication, and division. Results can be displayed in various formats.
This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.
This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.
