250+ iOS apps curated and reviewed
If you already know Basic Calculator+, this is the deeper bench. 250+ free simple calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (243K) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.7★ (15K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.9★ (409K) | Yes | No | Aug 2026 |
| 4 |  | Free | 4.5★ (146K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.6★ (1.6K) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.9★ (34K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.7★ (25K) | No | Yes | Aug 2026 |
| 8 |  | Free | — | No | No | Jul 2026 |
Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.
A straightforward and intuitive calculator app designed for ease of use. It offers a history bar, customizable themes, and advanced mathematical functions, ensuring a pleasant and efficient calculation experience on your device.
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.
This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.
A straightforward calculator designed for speed and accuracy, mimicking classic pocket calculators. It offers real-world logic, business-focused calculations like cost, sell, and margin, and a clean interface for effortless use.
This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.
This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.
A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.
A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.
This app provides accurate and reliable calculations, avoiding common errors found in other calculator applications. It features a clean interface, a history log, and follows the MDAS rule for correct order of operations. It's completely free to use.
Perform calculations quickly and accurately with large buttons. Personalize the interface by selecting custom background and text colors. This straightforward utility is designed for intuitive use.
A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.
This app offers a straightforward and elegantly designed calculator experience. It focuses on core functionality, ensuring ease of use for anyone, anywhere. Enjoy a fluid interface with a unique visual effect that enhances the user experience.