212+ iOS apps curated and reviewed
The best satisfactory calculator apps on iPhone average 4.5★ across 212+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.1★ (58) | No | No | Jul 2026 |
| 2 |  | Free | 4.7★ (23K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.5★ (126K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.2★ (1.4K) | No | No | Jul 2026 |
| 5 |  | Free | 4.9★ (33K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.5★ (146K) | Yes | Yes | Jul 2026 |
| 7 |  | $5.99 | 4.6★ (12K) | No | Yes | Jul 2026 |
| 8 |  | Free was $5.99 | 4.8★ (2.4K) | No | Yes | Jul 2026 |
This production planning tool helps users design and optimize their factory layouts. It features a refreshed interface with a Liquid Glass design and supports the latest iOS versions. Users can provide feedback and suggestions via a Discord community.
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.
This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.
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.
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 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.
This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.
This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.
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.
This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.
This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.
A free, feature-rich calculator designed with a cute and beautiful aesthetic. It offers standard calculation, unit conversion, and tools for calculating tips and taxes.
This app is an advanced symbolic calculator and text editor. It solves equations, simplifies expressions, and allows you to explain your work alongside calculations. Calculations update instantly as you type, and all data is stored as plain text for easy sharing and device syncing.
This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.
This app provides a basic calculator with an electronic paper tape to track and correct entries. It offers six independent calculators with custom colors, a large keyboard, and a decimal slider. It also features an enhanced percentage key for discounts, tips, and sales tax calculations, with the ability to email results.
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 offers a robust calculator experience with advanced features like printing and emailing calculation history, a backspace key for corrections, and customizable display options. It allows for easy copying and pasting of numbers to other applications and supports displaying calculations on external monitors.
A powerful and user-friendly calculator designed for tablets, offering both simple and scientific functions without advertisements. View calculation steps and enjoy a clean interface optimized for high resolution.
This app offers a powerful and customizable calculator experience with a dual-line display for seeing input and results simultaneously. Save and organize your calculations with history, labeling, and email options. Personalize layouts, themes, and fonts for a comfortable and efficient user experience.
This app provides a seamless calculation experience with standard and engineering modes. It features large buttons, an info-rich display, and undo/redo functionality for easy error correction. It's designed to be more convenient than the built-in calculator.