Best Roman Numeral Converter App

234+ iOS apps curated and reviewed

4.1 avg rating
15 free apps
Updated September 2026

The best roman numeral converter app on iPhone average 4.1★ across 234+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Roman Numeral Converter App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Roman Numerals - ConverterRoman Numerals - ConverterFree4.7★ (275)NoNoAug 2026
2Roman Numerals Converter EasyRoman Numerals Converter EasyFreeNoNoMay 2026
3Roman Numeral Converter XIRoman Numeral Converter XIFree4.9★ (24)YesYesAug 2026
4Roman Nums : ConverterRoman Nums : ConverterFree5.0★ (9)NoYesSep 2026
5Roman Numerals ConverterRoman Numerals Converter$4.995.0★ (2)NoNoAug 2026
6Roman numerals and mathRoman numerals and mathFree5.0★ (1)NoYesMay 2026
7Roman Numerals GeneratorRoman Numerals Generator$1.99NoNoMay 2026
8Pro Roman NumbersPro Roman NumbersFreeYesNoMay 2026

Top Picks for Roman Numeral Converter App

Roman Numerals - Converter#1

Roman Numerals - Converter by Team Lundsgård

Editor's Choice
📚 Education
4.7😊(275 ratings)
Free
Roman Numerals - Converter screenshot 1
Roman Numerals - Converter screenshot 2

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.

What We Love

  • ⭐ Excellent converter
  • 🕰 Handy date checker
  • 💖 Love it!
  • 🏫 Great teaching tool

Room to Improve

  • 🐛 Nice App But…
  • 💰 Could u please add a and s
  • 🔍 Need more numbers
Roman Numerals Converter Easy#2

Roman Numerals Converter Easy by William Taylor

Easy To Use And Ad Free
Strong Contender
🔧 Utilities
0.0(0 ratings)
Free
Roman Numerals Converter Easy screenshot 1
Roman Numerals Converter Easy screenshot 2

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.

Roman Numeral Converter XI#3

Roman Numeral Converter XI by Andy Dobson

Dates, Tattoos & Clock Faces
Worth Considering
🔧 Utilities
4.9(24 ratings)
FreeAdsIn-App Purchases
Roman Numeral Converter XI screenshot 1
Roman Numeral Converter XI screenshot 2
Roman Numeral Converter XI screenshot 3

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.

More Roman Numeral Converter App apps to explore

FAQ about Roman Numeral Converter App

What is the best roman numeral converter app for iPhone?
Roman Numerals - Converter tops our roman numeral converter app ranking as of September 2026, with a 4.7-star average from 275 App Store ratings, and it's free to download.
Yes — 15 of the top roman numeral converter app we rank are free to download, including Roman Numerals - Converter and Roman Numerals Converter Easy.
Roman Numerals - Converter has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 234+ roman numeral converter app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This application allows you to convert standard numeric numbers into Roman numerals and also convert Roman numerals back into their numeric equivalents. It covers a range of numbers from 1 up to 9999.
The app supports conversions for numeric numbers and Roman numerals within the range of 1 to 9999. This extensive range makes it suitable for most common conversion needs.