Best Roman Numeral Apps

246+ iOS apps curated and reviewed

4.6 avg rating
13 free apps
Updated August 2026

With an average user rating of 4.6★, the roman numeral category is one of the App Store's strongest. Browse all 246+ apps we track, sorted so the most loved ones surface first.

Compare top Roman Numeral Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Roman Numerals - ConverterRoman Numerals - ConverterFree4.7★ (275)NoNoAug 2026
2Roman DatesRoman DatesFree4.8★ (1.4K)NoYesSep 2026
3Roman Nums : ConverterRoman Nums : ConverterFree5.0★ (9)NoYesSep 2026
4Roman Numerals Learn and QuizRoman Numerals Learn and QuizFree was $2.994.3★ (18)NoNoJul 2026
5Roman NumeralRoman Numeral$0.995.0★ (2)YesNoAug 2026
6Roman Numerals: Date & TattooRoman Numerals: Date & TattooFreeNoYesJul 2026
7Numeral ConversionNumeral ConversionFreeNoNoAug 2026
8Roman Date ConverterRoman Date ConverterFree4.2★ (15)YesNoMay 2026

Top Picks for Roman Numeral

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 Dates#2

Roman Dates by Rob Clarke

Your dates in roman numerals
Strong Contender
🌟 Lifestyle
4.8😊(1.4K ratings)
FreeIn-App Purchases
Roman Dates screenshot 1
Roman Dates screenshot 2

Easily convert important dates into Roman numerals for special occasions like tattoos or anniversaries. The app automatically attempts to detect the correct date order.

What We Love

  • 👍 Easy to use
  • 🚀 Works well
  • 💡 Useful for Roman numerals

Room to Improve

  • 🐛 Crashes when trying to save image
  • 🐛 Doesn't save properly
Roman Nums : Converter#3

Roman Nums : Converter by Rob Clarke

Quickly convert Roman numerals
Worth Considering
🔧 Utilities
5.0(9 ratings)
FreeIn-App Purchases
Roman Nums : Converter screenshot 1
Roman Nums : Converter screenshot 2
Roman Nums : Converter screenshot 3
Roman Nums : Converter screenshot 4

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.

More Roman Numeral apps to explore

4
Roman Numerals Learn and Quiz
Roman Numerals Learn and Quiz
Roman Numerals Learn and Quiz
Roman digits from 1 to 3999
Free
$2.99 | 100% OFF

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.

Learn Roman numerals 1-3999Interactive quiz modeOffline accessibility
📚 Education
(18)
free
5
Roman Numeral
Roman Numeral
Roman Numeral
by H Valeur
$0.99

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.

Numeric to Roman numeral conversionRoman numeral to numeric conversionSimple and intuitive interface
🔧 Utilities
(2)
ad-supported
6
Roman Numerals: Date & Tattoo
Roman Numerals: Date & Tattoo
Roman Numerals: Date & Tattoo
Roman numeral converter + quiz
Free
📚 Education
(0)
7
Numeral Conversion
Numeral Conversion
Numeral Conversion
Decimal/Latin/Greek convertion
Free
🔧 Utilities
(0)
8
Roman Date Converter
Roman Date Converter
Roman Date Converter
Convert date to Roman Numerals
Free

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.

Convert numerical dates to Roman numeralsUseful for jewelry and tattoo designHandles date formatting with separators
🔧 Utilities
(15)
ad-supported
9
Roman Numeral Converter XI
Roman Numeral Converter XI
Roman Numeral Converter XI
Dates, Tattoos & Clock Faces
Free

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.

Roman numeral to number conversionNumber to Roman numeral conversionSimple and fast interface
🔧 Utilities
(24)
free with in-app purchases
10
Roman numerals
Roman numerals
Roman numerals
How to Learn Roman Numerals
$1.99

Master the ancient Roman numeral system through interactive activities and guided lessons. This app provides a clear path to understanding how numbers were written in ancient Rome.

Step-by-step tutorialsInteractive learning activitiesHistorical context of Roman numerals
📚 Education
(3)
paid
11
Roman Numeral Calculator
Roman Numeral Calculator
Roman Numeral Calculator
by Anthony Caggiano
$0.99
📚 Education
(0)
12
Roman Numerals Generator SDG
Roman Numerals Generator SDG
Roman Numerals Generator SDG
Easy Roman Numerals Generator
Free

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.

Decimal to Roman numeral conversionRoman numeral to decimal conversionSimple interface
🔧 Utilities
(0)
ad-supported
13
Roman Numerals Converter Plus
Roman Numerals Converter Plus
Roman Numerals Converter Plus
Convert from/in Roman numerals
$2.99
🔧 Utilities
(0)
14
another Roman Numerals
another Roman Numerals
another Roman Numerals
MMXXIII
$2.99

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.

Roman numeral flashcardsNumeral conversion toolMemory card game
🔍 Reference
(1)
paid
15
Roman Numerals Generator
Roman Numerals Generator
Roman Numerals Generator
Roman Numerals Creator
$1.99
📊 Productivity
(0)
16
Roman Numerals and Converter
Roman Numerals and Converter
Roman Numerals and Converter
Convert, learn, date & clock
Free
🔧 Utilities
(0)
17
Roman Numerals Converter
Roman Numerals Converter
Roman Numerals Converter
Arabic Numbers Roman Numerals
$4.99

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.

Roman to Arabic conversionArabic to Roman conversionInput validation
📚 Education
(2)
paid
18
Roman Numerals Converter Easy
Roman Numerals Converter Easy
Roman Numerals Converter Easy
Easy To Use And Ad Free
Free

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.

Number to Roman numeral conversionRoman numeral to number conversionEasy-to-use interface
🔧 Utilities
(0)
free
19
Roman to Arabic Numerals
Roman to Arabic Numerals
Roman to Arabic Numerals
by Richard Bennette
Free
🔍 Reference
(0)
20
Roman numerals and math
Roman numerals and math
Roman numerals and math
Roman numbers
Free

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.

Convert numbers to Roman numeralsConvert Roman numerals to numbersSupports numbers up to 1000
📚 Education
(1)
free with in-app purchases

FAQ about Roman Numeral

What are the best roman numeral apps for iPhone?
Roman Numerals - Converter tops our roman numeral apps ranking as of August 2026, with a 4.7-star average from 275 App Store ratings, and it's free to download.
Yes — 13 of the top roman numeral apps we rank are free to download, including Roman Numerals - Converter and Roman Dates.
Roman Numerals - Converter has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 246+ roman numeral apps on the iOS App Store as of August 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.