185+ iOS apps curated and reviewed
If you already know Roman Numerals, this is the deeper bench. 185+ roman numerals converter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (244) | No | No | Aug 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | $4.99 | 5.0★ (1) | No | No | Jun 2026 |
| 4 |  | $2.99 | — | No | No | May 2026 |
| 5 |  | Free | 5.0★ (9) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.9★ (24) | No | Yes | May 2026 |
| 7 |  | Free | 5.0★ (1) | No | Yes | May 2026 |
| 8 |  | Free | 4.2★ (15) | Yes | No | May 2026 |
Easily convert numbers to Roman numerals and vice versa. Supports values from 1 to 9999, making it a handy tool for educational purposes or quick reference.
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.
Easily convert between Roman and Arabic numerals. Supports numbers up to 3,999,999 and validates Roman numeral input. Includes a conversion history and email sharing.
Easily convert between Roman and Arabic numerals with this intuitive tool. It helps decipher historical dates, resolve year-related disputes, and offers advanced features like a calculator and crossword solver. Customize your experience with keyboard preferences and large number display options.
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.
This app helps users convert numbers to Roman numerals and vice versa, up to 1000. It is designed to assist children and college students in learning Roman number systems.
Easily convert standard numerical dates into Roman numerals. This tool is ideal for designers creating jewelry or tattoos with Roman numeral elements, allowing for precise translation of dates.
Easily convert important dates into Roman numerals for special occasions like tattoos or anniversaries. The app automatically attempts to detect the correct date order.
Easily convert between standard numbers and Roman numerals. This utility also includes key historical dates from Ancient Rome.
This app helps you learn and master Roman numerals through interactive flashcards, a conversion tool, and engaging games. Test your knowledge with memory challenges or multiple-choice quizzes. It's accessible offline and free of ads and in-app purchases.
This utility app offers a powerful calculator and a comprehensive unit and currency converter. Customize your display by selecting specific units and categories, and perform conversions instantly with its clean interface. It supports over 500 units across 29 categories, including 161 currencies.
Easily convert decimal numbers to Roman numerals and Roman numerals back to decimal. This utility app simplifies switching between numeral systems with a few taps.
Effortlessly convert numbers between Arabic, Roman, and Chinese/Japanese numeral systems. Get instant conversions as you type, with support for various numeral formats and a range up to 99,999.
Master Roman numerals from 1 to 3999 with this educational tool. It features an intuitive learning mode to explore numeral systems and a quiz mode for testing comprehension with instant feedback. Learn anytime, anywhere, even offline.
Easily convert between standard numbers and Roman numerals. Input a numeric value to see its Roman numeral equivalent, or input a Roman numeral to get its numeric form.
Learn and practice Roman numerals with a fun tile-matching puzzle game. It includes lessons, a converter, and six practice levels to master number recognition and equivalencies.
Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.
Learn to read, write, and calculate with Roman numerals. Convert between Roman and Arabic numbers, practice with interactive exercises, and even use your camera to decipher inscriptions. Offers pronunciation and language support in multiple languages.