Best Calculator Converter Unit Apps

230+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated November 2026

From beginner-friendly picks to power-user tools, our calculator converter unit list covers 230+ iPhone apps updated through November 2026. Compare ratings, prices, and screenshots in one place.

Compare top Calculator Converter Unit Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Convert Any Unit LiteConvert Any Unit LiteFree4.7★ (48K)YesNoNov 2026
2Converter+ (Units, Currencies)Converter+ (Units, Currencies)Free4.7★ (2.4K)NoYesNov 2026
3Units - Pro Unit ConverterUnits - Pro Unit ConverterFree3.6★ (163)YesYesNov 2026
4Ad-Free Unit ConverterAd-Free Unit ConverterFree3.9★ (56)NoYesOct 2026
5Calculator: EasyCalcCalculator: EasyCalcFree4.5★ (24)YesYesNov 2026
6Unit Converter - Pro Units AppUnit Converter - Pro Units AppFree4.6★ (16K)NoYesNov 2026
7i.Converter - Convert All Unit.s & Calculatori.Converter - Convert All Unit.s & CalculatorFree3.2★ (5)NoNoOct 2026
8One Converter: Unit CalculatorOne Converter: Unit CalculatorFree2.0★ (7)NoYesNov 2026

Top Picks for Calculator Converter Unit

Convert Any Unit Lite#1

Convert Any Unit Lite by Cider Software LLC

Units & Currency Converter
Editor's Choice
✈️ 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
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
Units - Pro Unit Converter#3

Units - Pro Unit Converter by Homegrown Software Ltd

Convert 800+ units & currency
Worth Considering
🔧 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

More Calculator Converter Unit apps to explore

FAQ about Calculator Converter Unit

What are the best calculator converter unit apps for iPhone?
Convert Any Unit Lite tops our calculator converter unit apps ranking as of November 2026, with a 4.7-star average from 48K App Store ratings, and it's free to download.
Yes — 19 of the top calculator converter unit apps we rank are free to download, including Convert Any Unit Lite and Converter+ (Units, Currencies).
Convert Any Unit Lite shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 230+ calculator converter unit apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.