232+ iOS apps curated and reviewed
The best roman numerals converter plus apps on iPhone average 4.6★ across 232+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $2.99 | — | No | No | May 2026 | |
| 2 |  | Free | — | No | No | May 2026 | |
| 3 |  | Free | 4.9★ (27) | Yes | Yes | Nov 2026 | |
| 4 |  | Free | 4.7★ (285) | No | No | Nov 2026 | |
| 5 |  | $3.99 was $4.99 | 5.0★ (2) | No | No | Oct 2026 | |
| 6 |  | Free | 5.0★ (10) | No | Yes | Oct 2026 | |
| 7 |  | Free | 5.0★ (1) | No | Yes | May 2026 | |
| 8 |  | Free | 4.0★ (3) | Yes | No | Nov 2026 |
Easily convert between standard numbers and Roman numerals with a simple interface. This reliable tool offers quick conversions in both directions, making it a straightforward utility for any user. It supports multitasking on compatible devices.
This utility app allows for swift conversion between Roman numerals and standard Arabic numbers. It offers a straightforward interface for both input directions, making number system translation simple. Future updates are planned to expand its functionality.
