Best Convert Units Apps

248+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated October 2026

If you already know Unit Converter, this is the deeper bench. 248+ convert units apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Convert Units Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (199K)YesYesNov 2026
2CONVERT UNITSCONVERT UNITSFree4.7★ (1.4K)YesYesNov 2026
3Unit Converter - Pro Units AppUnit Converter - Pro Units AppFree4.6★ (16K)NoYesNov 2026
4Convert Any Unit LiteConvert Any Unit LiteFree4.7★ (48K)YesNoNov 2026
5Units - Pro Unit ConverterUnits - Pro Unit ConverterFree4.1★ (51)YesYesOct 2026
6Units Converter Pro7Units Converter Pro7$0.99—NoNoAug 2026
7Unit Converter - Convert Units EasyUnit Converter - Convert Units EasyFree—NoNoMay 2026
8Convert Units: Unit ConversionConvert Units: Unit ConversionFree1.0★ (3)YesNoSep 2026

Top Picks for Convert Units

Unit Converter - Best Unit App#1

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Editor's Choice
✈️ Travel
4.8😊(199K ratings)
FreeAdsIn-App Purchases
#79in 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
CONVERT UNITS#2

CONVERT UNITS by Adysseus

Currency Rate Metric Imperial
Strong Contender
🔧 Utilities
4.7😊(1.4K ratings)
FreeAdsIn-App Purchases
CONVERT UNITS screenshot 1
CONVERT UNITS screenshot 2
CONVERT UNITS screenshot 3
CONVERT UNITS screenshot 4

This app offers extensive unit and currency conversion capabilities, including offline access for saved rates. It features a user-friendly interface with customizable options and supports a wide range of categories for everyday and specialized needs.

What We Love

  • 👍 Quick & easy to use
  • 👍 Ease of use
  • 👍 Simple and easy to use
  • 👍 Well thought out and easy to use
  • 👍 Excellent and very reliable
  • 👍 Handy app
  • 👍 Useful app

Room to Improve

  • 🐛 Ads obstruct use
  • 🐛 Subscription required to remove ads
  • 🐛 Currency conversion not working
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 Convert Units apps to explore

FAQ about Convert Units

What are the best convert units apps for iPhone?
Unit Converter - Best Unit App tops our convert units apps ranking as of October 2026, with a 4.8-star average from 199K App Store ratings, and it's free to download.
Yes — 18 of the top convert units apps we rank are free to download, including Unit Converter - Best Unit App and CONVERT UNITS.
Unit Converter - Best Unit App shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ convert units apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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