Perform calculations and conversions between binary, octal, decimal, and hexadecimal number systems. Offers detailed step-by-step conversion explanations and customizable settings for display preferences and negative number representation.





250+ iOS apps & games curated and reviewed
Binary Calculator. is the household name in binary calculator, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.9★ (8) | Yes | Yes | Jul 2026 | ||
| 2 | Free | 4.9★ (68) | No | Yes | Jul 2026 | ||
| 3 | Free | 4.7★ (845) | No | Yes | Sep 2026 | ||
| 4 | Free | — | — | No | Jul 2026 | ||
| 5 | $0.99 | — | No | No | Sep 2026 | ||
| 6 | Free | 5.0★ (2) | Yes | Yes | Aug 2026 | ||
| 7 | Free | 4.4★ (37) | No | No | Sep 2026 | ||
| 8 | Free | 4.4★ (40) | Yes | No | Aug 2026 |





Perform calculations and conversions between binary, octal, decimal, and hexadecimal number systems. Offers detailed step-by-step conversion explanations and customizable settings for display preferences and negative number representation.





Easily convert numbers between Binary, Decimal, Hexadecimal, and Octal formats. This educational tool is designed for quick and accurate number system conversions.

This application serves as a versatile calculator designed for programmers. It supports conversions and calculations across binary, decimal, and hexadecimal number systems.