Best Convert Units Metric Apps

238+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated November 2026

From beginner-friendly picks to power-user tools, our convert units metric list covers 238+ iPhone apps updated through November 2026. Compare ratings, prices, and screenshots in one place.

Compare top Convert Units Metric Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Units - Pro Unit ConverterUnits - Pro Unit ConverterFree3.6★ (163)YesYesNov 2026
2Metric Conversion toolMetric Conversion toolFree4.8★ (15K)YesNoNov 2026
3Metric/Imperial UnitsMetric/Imperial UnitsFree5.0★ (1)NoNoMay 2026
4GlobeConvert Currency & UnitsGlobeConvert Currency & UnitsFree4.8★ (82K)YesYesNov 2026
5Convert Any Unit LiteConvert Any Unit LiteFree4.7★ (48K)YesNoNov 2026
6CONVERT UNITSCONVERT UNITSFree4.7★ (1.4K)YesYesNov 2026
7Metric Unit ConverterMetric Unit ConverterFree1.0★ (3)NoNoMay 2026
8Convert Units: Unit ConversionConvert Units: Unit ConversionFree1.0★ (3)YesNoSep 2026

Top Picks for Convert Units Metric

Units - Pro Unit Converter#1

Units - Pro Unit Converter by Homegrown Software Ltd

Convert 800+ units & currency
Editor's Choice
🔧 Utilities
3.6😐(163 ratings)
FreeAdsIn-App Purchases
Units - Pro Unit Converter screenshot 1
Units - Pro Unit Converter screenshot 2
Units - Pro Unit Converter screenshot 3
Units - Pro Unit Converter screenshot 4
Units - Pro Unit Converter screenshot 5
Units - Pro Unit Converter screenshot 6

Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.

What We Love

  • 🚀 Efficient and fast conversions
  • 👍 Comprehensive list of units
  • 🔍 Customizable unit selection
  • 💰 Free app with optional paid version
  • 🔧 Useful for engineering and technical work

Room to Improve

  • 🐛 Crashes and stability issues
  • 🕰️ Outdated currency conversion rates
  • 🔍 Too many unit categories, hard to navigate
  • 💰 Ads in free version
  • 📏 Ruler feature not accurate on some devices
Metric Conversion tool#2

Metric Conversion tool by Wight Hat

Unit and currency converter
Strong Contender
🔍 Reference
4.8😐(15K ratings)
FreeAds
Metric Conversion tool screenshot 1
Metric Conversion tool screenshot 2
Metric Conversion tool screenshot 3
Metric Conversion tool screenshot 4
Metric Conversion tool screenshot 5

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

What We Love

  • 💡 Useful conversion tool
  • 👍 Easy to use and navigate
  • 🚀 Quick and efficient
  • 👍 Comprehensive coverage of conversions

Room to Improve

  • 🔊 Intrusive and loud ads
  • 🔒 Questionable privacy practices
  • 🐛 Inaccurate conversions
  • 👎 Disruptive to workflow

More Convert Units Metric apps to explore

FAQ about Convert Units Metric

What are the best convert units metric apps for iPhone?
Units - Pro Unit Converter tops our convert units metric apps ranking as of November 2026, with a 3.6-star average from 163 App Store ratings, and it's free to download.
Yes — 19 of the top convert units metric apps we rank are free to download, including Units - Pro Unit Converter and Metric Conversion tool.
Units - Pro Unit Converter shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 238+ convert units metric apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.