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.




245+ iOS apps curated and reviewed
The best math rounding calculator apps on iPhone average 4.4★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (2) | Yes | No | Jul 2026 | ||
| 2 | Free | 4.6★ (10K) | Yes | Yes | Sep 2026 | ||
| 3 | Free | 4.9★ (409K) | Yes | No | Sep 2026 | ||
| 4 | $5.99 | 4.7★ (6.3K) | No | Yes | Sep 2026 | ||
| 5 | Free | 4.6★ (7) | Yes | Yes | May 2026 | ||
| 6 | Free | 4.6★ (36K) | Yes | Yes | Sep 2026 | ||
| 7 | Free | 4.7★ (61K) | No | No | Sep 2026 | ||
| 8 | Free | 4.9★ (34K) | Yes | Yes | Sep 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.

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 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.