249+ iOS apps curated and reviewed
Every iPhone needs a few good base calculator & converter apps. We benchmark 249+ 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 | 3.0★ (2) | No | No | Jul 2026 | |
| 2 |  | Free | 4.7★ (1.7M) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 4.9★ (409K) | Yes | No | Sep 2026 | |
| 4 |  | Free | 4.7★ (61K) | No | No | Sep 2026 | |
| 5 |  | Free | 4.7★ (12K) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | 4.6★ (51K) | Yes | No | Sep 2026 | |
| 7 |  | Free | 4.7★ (2.4K) | No | Yes | Sep 2026 | |
| 8 |  | Free | 5.0★ (4) | Yes | Yes | Sep 2026 |
Easily convert numbers between binary, octal, decimal, and hexadecimal bases. Perform arithmetic operations like addition, subtraction, multiplication, and division across different bases. The app also saves your calculation history for quick access.
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 utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.
