245+ iOS apps curated and reviewed
The best math rounding calculator apps on iPhone average 4.3★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (2) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.0★ (79) | Yes | Yes | May 2026 |
| 3 |  | Free | 4.6★ (7) | Yes | Yes | May 2026 |
| 4 |  | $3.99 | 3.0★ (2) | No | No | Jul 2026 |
| 5 |  | Free | 4.9★ (409K) | Yes | No | Aug 2026 |
| 6 |  | $0.99 | — | No | No | Jun 2026 |
| 7 |  | Free | — | No | Yes | Jun 2026 |
| 8 |  | Free | 4.6★ (36K) | Yes | Yes | Aug 2026 |
Easily round numbers to the nearest integer or a specified number of decimal places. Offers options to round up or down, making it suitable for students and professionals needing quick, accurate calculations for various real-world applications.
Practice rounding numbers with whole numbers and decimals. Adjust difficulty and place values in settings to master the game. This app makes learning math fun and engaging.
Easily round large or decimal numbers to the nearest whole number or specified value. This app simplifies complex calculations with a smooth interface, saving you time on math problems.
This educational app helps users learn and practice rounding whole numbers. It offers custom or random problems with numbers up to 8 digits, providing step-by-step guidance in a stress-free environment with adjustable animations and interface colors.
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.
Practice rounding numbers between 1 and 1,000,000 with this straightforward educational tool. Its simple design makes it ideal for children to easily grasp and practice mathematical concepts.
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 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.
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.
Practice rounding numbers with five distinct levels, from nearest ones to thousands. Offers optional number line support for differentiated learning. Tracks games played and mistakes made for targeted practice.
This educational app helps users learn and practice rounding decimal numbers. It offers guided step-by-step problem-solving with customizable settings for a stress-free learning experience. Ideal for students and anyone needing to master decimal rounding.
Practice and test your skills in rounding numbers with this educational app. It offers various modes and options to help you master rounding decimals, whole numbers, and more place values. Play until you achieve mastery.
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.
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 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.
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 advanced calculator handles complex mathematical operations with fractions, decimals, and integers. It offers intuitive input, trigonometric functions, and conversion capabilities. Easily manage and share your calculation history with multiple display and rounding options.
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.