Best Measurements Converter Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated November 2026

Unit Converter is the household name in measurements converter, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Measurements Converter Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (200K)YesYesNov 2026
2Convert Any Unit LiteConvert Any Unit LiteFree4.7★ (48K)YesNoNov 2026
3Unit Converter - Convert allUnit Converter - Convert allFree4.6★ (14K)YesYesNov 2026
4Unit Converter - Pro Units AppUnit Converter - Pro Units AppFree4.6★ (16K)NoYesNov 2026
5Measurement unit converter +Measurement unit converter +Free—NoNoMay 2026
6Converter (unit conversions)Converter (unit conversions)Free4.7★ (2K)NoYesOct 2026
7Unit of measurement converterUnit of measurement converterFree4.7★ (386)YesNoOct 2026
8Measure Converter – Unit CalcMeasure Converter – Unit CalcFree—NoNoMay 2026

Top Picks for Measurements Converter

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😊(200K ratings)
FreeAdsIn-App Purchases
#78in 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 Any Unit Lite#2

Convert Any Unit Lite by Cider Software LLC

Units & Currency Converter
Strong Contender
✈️ Travel
4.7😊(48K ratings)
FreeAds
Convert Any Unit Lite screenshot 1
Convert Any Unit Lite screenshot 2
Convert Any Unit Lite screenshot 3
Convert Any Unit Lite screenshot 4
Convert Any Unit Lite screenshot 5

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive unit conversions
  • 💡 Allows custom unit creation
  • 🔧 Useful for cooking, travel, and work
  • 🔍 Intuitive and straightforward interface

Room to Improve

  • 🔍 Too many unit options can be overwhelming
  • 🔍 Ads can be intrusive and disrupt usage
  • 🐛 Occasional bugs and freezing issues
  • 🔋 High ad frequency drains battery quickly
Unit Converter - Convert all#3

Unit Converter - Convert all by oWorld Software

Measurements & Calculations
Worth Considering
✈️ 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

More Measurements Converter apps to explore

FAQ about Measurements Converter

What are the best measurements converter apps for iPhone?
Unit Converter - Best Unit App tops our measurements converter apps ranking as of November 2026, with a 4.8-star average from 200K App Store ratings, and it's free to download.
Yes — 20 of the top measurements converter apps we rank are free to download, including Unit Converter - Best Unit App and Convert Any Unit Lite.
Unit Converter - Best Unit App shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ measurements converter apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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