Best Converter The Unit Converter Apps

232+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated November 2026

Out of 232+ converter the unit converter apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Converter The Unit Converter Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Unit of measurement converterUnit of measurement converterFree4.7★ (386)YesNoOct 2026
2Unit Converter - Convert allUnit Converter - Convert allFree4.6★ (14K)YesYesNov 2026
3Unit Converter - Pro Units AppUnit Converter - Pro Units AppFree4.6★ (16K)NoYesNov 2026
4Unit Converter ++Unit Converter ++Free1.6★ (10)YesNoAug 2026
5Convert Any Unit LiteConvert Any Unit LiteFree4.7★ (48K)YesNoNov 2026
6Unit Converter HD.Unit Converter HD.Free4.7★ (645)YesYesOct 2026
7Unit Converter 2021Unit Converter 2021Free4.7★ (408)YesYesOct 2026
8Ad-Free Unit ConverterAd-Free Unit ConverterFree3.9★ (56)NoYesOct 2026

Top Picks for Converter The Unit Converter

Unit Converter - Convert all#2

Unit Converter - Convert all by oWorld Software

Measurements & Calculations
Strong Contender
✈️ Travel
4.6😐(14K ratings)
FreeAdsIn-App Purchases
Unit Converter - Convert all screenshot 1
Unit Converter - Convert all screenshot 2
Unit Converter - Convert all screenshot 3
Unit Converter - Convert all screenshot 4
Unit Converter - Convert all screenshot 5
Unit Converter - Convert all screenshot 6

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

What We Love

  • 🚀 Easy to use
  • 🚀 Comprehensive unit conversions
  • 👍 Helpful app
  • 👍 Practical for engineering and mechanics
  • 👍 Intuitive interface
  • 👍 Extremely useful
  • 👍 Convenient and always available

Room to Improve

  • 🔍 Too many ads
  • 🔍 Ads make the app unusable
  • 🔍 Ads are invasive and disrupt user experience
  • 💰 Expensive subscription for ad-free version
  • 🐛 Crashes and stability issues
  • 🔍 Ads block access to features
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

More Converter The Unit Converter apps to explore

FAQ about Converter The Unit Converter

What are the best converter the unit converter apps for iPhone?
Unit of measurement converter tops our converter the unit converter apps ranking as of November 2026, with a 4.7-star average from 386 App Store ratings, and it's free to download.
Yes — 20 of the top converter the unit converter apps we rank are free to download, including Unit of measurement converter and Unit Converter - Convert all.
Unit of measurement converter shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 232+ converter the unit converter apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.