Best Converters Apps

249+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated November 2026

Finding the right converters apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Converters Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Unit Converter - Pro Units AppUnit Converter - Pro Units AppFree4.6★ (16K)NoYesNov 2026
2Converter+ (Units, Currencies)Converter+ (Units, Currencies)Free4.7★ (2.4K)NoYesNov 2026
3Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (199K)YesYesNov 2026
4Currency converter calculator!Currency converter calculator!Free4.7★ (73K)YesYesNov 2026
5Video and Photo ConverterVideo and Photo ConverterFree5.0★ (7)YesYesSep 2026
6GlobeConvert Currency & UnitsGlobeConvert Currency & UnitsFree4.8★ (82K)YesYesNov 2026
7Converto - Unit ConverterConverto - Unit ConverterFree—NoNoMay 2026
8Unit Converter HeroUnit Converter HeroFree—NoNoMay 2026

Top Picks for Converters

4.6😞(16K ratings)
FreeIn-App Purchases
Unit Converter - Pro Units App screenshot 1
Unit Converter - Pro Units App screenshot 2
Unit Converter - Pro Units App screenshot 3

This app offers a powerful and user-friendly unit converter with 16 categories, including currency, length, and temperature. It allows for custom unit lists and provides live exchange rate updates for 148 currencies. Unlock all features with a one-time in-app purchase.

What We Love

  • 👍 Easy to use
  • 🚀 Simple design
  • 👍 Covers many units
  • 👍 User-friendly layout
  • 👍 Accurate conversions
  • 👍 Handy reference

Room to Improve

  • 🔒 Limited functionality without paying
  • 🔒 Most common units locked behind paywall
  • 🐛 Restore purchase not working
  • 🐛 Unreliable app support
  • 🔒 Conversion categories locked
  • 🔒 Paid upgrade required for full access
Converter+ (Units, Currencies)#2

Converter+ (Units, Currencies) by TranCreative Software

Unit and Currency Converter
Strong Contender
📊 Productivity
4.7😊(2.4K ratings)
FreeIn-App Purchases
Converter+ (Units, Currencies) screenshot 1
Converter+ (Units, Currencies) screenshot 2
Converter+ (Units, Currencies) screenshot 3
Converter+ (Units, Currencies) screenshot 4
Converter+ (Units, Currencies) screenshot 5

This app offers a comprehensive unit and currency converter with a vast array of categories and calculators for everyday needs. It allows users to customize templates, download shared ones, and provides automatic exchange rate updates for 167 world currencies.

What We Love

  • 🚀 Excellent converter
  • 👍 Customizable and easy to use
  • 🚀 Comprehensive and versatile
  • 👍 Simple and intuitive interface
  • 👍 Handy for everyday use
  • 👍 Reliable and robust
  • 👍 Useful for cooking, travel, and more

Room to Improve

  • 🐛 Currency conversion rates not up-to-date
  • 🐛 Clipboard data access concerns
  • 🐛 Ads can be intrusive
  • 🐛 Occasional bugs or glitches
Unit Converter - Best Unit App#3

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Worth Considering
✈️ Travel
4.8😊(199K ratings)
FreeAdsIn-App Purchases
#94in Travel
Unit Converter - Best Unit App screenshot 1
Unit Converter - Best Unit App screenshot 2
Unit Converter - Best Unit App screenshot 3
Unit Converter - Best Unit App screenshot 4
Unit Converter - Best Unit App screenshot 5
Unit Converter - Best Unit App screenshot 6

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive conversions
  • 💡 Useful for travel and cooking
  • 🚀 Quick and efficient
  • 👍 Intuitive interface

Room to Improve

  • 🐛 Limited character input
  • 🐛 Difficulty with negative numbers
  • 💡 Lack of ability to quickly switch between conversions
  • 💰 Pro version not worth the cost

More Converters apps to explore

FAQ about Converters

What are the best converters apps for iPhone?
Unit Converter - Pro Units App tops our converters apps ranking as of November 2026, with a 4.6-star average from 16K App Store ratings, and it's free to download.
Yes — 19 of the top converters apps we rank are free to download, including Unit Converter - Pro Units App and Converter+ (Units, Currencies).
Unit Converter - Pro Units App has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ converters apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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