This app offers a unique calculator with an expanded 0-100 button range for faster data entry, reducing calculation time. It also includes a basic scratch sampler instrument for musicians.



249+ iOS apps curated and reviewed
Out of 249+ 100 button 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 | $1.99 | 5.0★ (2) | No | No | May 2026 | |
| 2 | Free | 4.9★ (409K) | Yes | No | Aug 2026 | |
| 3 | Free | 4.7★ (61K) | No | No | Aug 2026 | |
| 4 | Free | 4.7★ (14K) | Yes | No | Aug 2026 | |
| 5 | Free | 3.0★ (8.9K) | No | No | Aug 2026 | |
| 6 | Free | 4.6★ (36K) | Yes | Yes | Aug 2026 | |
| 7 | Free | 4.6★ (51K) | Yes | No | Aug 2026 | |
| 8 | Free | 4.6★ (10K) | Yes | Yes | Aug 2026 |



This app offers a unique calculator with an expanded 0-100 button range for faster data entry, reducing calculation time. It also includes a basic scratch sampler instrument for musicians.


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 app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.


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 both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.


This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.


This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.


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.


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 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 free, redesigned calculator app offering a simpler, more intuitive experience across Apple devices. Features include customizable themes, advanced scientific functions, and unit conversion, all optimized for various screen sizes and interactions.


A user-friendly calculator app featuring large, colorful buttons and a dual-line display for simultaneous input and result viewing. It supports long equations, offers customizable themes and sounds, and includes accessibility features.


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.


A straightforward calculator app designed for everyday math, school, budgeting, and shopping. It offers essential functions, a clear interface with large buttons, and a history log for reviewing past calculations. Advanced features include memory functions, percentage calculations, and multi-window support for efficient workflow.


A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.


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 comprehensive calculator app offers a wide range of functionalities for everyday and complex calculations. It features multiple calculator views, a unit converter, and a detailed history log. Designed for ease of use and accessibility, it supports multitasking and various input methods.