244+ iOS apps curated and reviewed
Out of 244+ base conversion ai calculator apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.5★ (8) | No | Yes | May 2026 |
| 3 |  | $1.99 | 4.0★ (1) | No | No | May 2026 |
| 4 |  | Free | 4.9★ (41) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.6★ (9.6K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (555) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 5.0★ (2) | No | Yes | Jul 2026 |
| 8 |  | Free | — | Yes | Yes | Jul 2026 |
This app offers a comprehensive suite of calculation tools, including standard, scientific, and AI-powered math assistance. It also features a unit converter, financial calculators, and time/date tools, all within an intuitive interface. Users can access calculation history and customize themes for a personalized experience.
This app offers a comprehensive scientific calculator with multiple modes, including algebraic, scientific, conversions, and logic calculations. It features a user-friendly design with large buttons and remembers your progress if interrupted.
This app offers a powerful calculator with a history feature and advanced scientific functions. It uses AI to solve complex math problems instantly, including solving equations from photos and through a chat interface.
This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.
This app offers a versatile calculator with both basic and scientific functions. It includes advanced features like currency and unit conversions, customizable themes, and history tracking. Optimized for both portrait and landscape modes, it's designed for users needing precise calculations and conversions.
This portable computing assistant offers both basic and scientific calculations with a clean interface. It features a history log, currency and unit conversion, and a unique photo-based problem solver. Enjoy an ad-free experience for all your calculation needs.
This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.
This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.
This app offers a comprehensive solution for converting various units, including currencies, measurements, and more. With over 45 converters in a single, user-friendly interface, it simplifies calculations and saves device storage. It works offline and supports over 150 international currencies.
This advanced utility app offers a comprehensive suite of calculation and conversion tools, serving as a powerful alternative to standard device calculators. It features a sleek interface and supports a wide range of everyday and scientific computations, including unit conversions for length, area, volume, and more.
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 advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.
This utility app allows users to instantly convert numbers between bases 2 and 30, perform calculations, and get accurate results. It features a developer-friendly interface with real-time updates and dark mode support.