1. Home
  2. Topics
  3. Iunit Measurement Conversion

Best Iunit Measurement Conversion Apps

183+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated May 2026

Unit Converter is the household name in iunit measurement conversion, but it's far from the only option. We track 183+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Iunit Measurement Conversion

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😊(172K ratings)
FreeAdsIn-App Purchases
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

A free unit converter app optimized for iPhone and iPad, featuring 12 categories for converting various units including area, currency, data, length, and more. Includes daily currency updates for 155 world currencies and is designed for easy use. Download now for quick and accurate unit conversions.

What We Love

  • 🚀 Easy to use
  • 👍 Comprehensive conversions
  • 💡 Useful for travel and cooking
  • 🚀 Quick and efficient

Room to Improve

  • 🐛 Limited character input
  • 🐛 Difficulty with negative numbers
  • 💡 Lack of ability to quickly switch between conversions
Conversion Calculator !#2

Conversion Calculator ! by oWorld Software

Currency, Temperature, Length
Strong Contender
📊 Productivity
4.6😐(13K ratings)
FreeAdsIn-App Purchases
Conversion Calculator ! screenshot 1
Conversion Calculator ! screenshot 2
Conversion Calculator ! screenshot 3
Conversion Calculator ! screenshot 4
Conversion Calculator ! screenshot 5
Conversion Calculator ! screenshot 6

Easily convert units of measurement with this user-friendly app. Say goodbye to complex calculations and simplify your unit conversions today!

What We Love

  • 🚀 Easy to use
  • 🚀 Comprehensive unit conversions
  • 👍 Helpful app
  • 👍 Practical for engineering and mechanics

Room to Improve

  • 🔍 Too many ads
  • 🔍 Ads make the app unusable
  • 🔍 Ads are invasive and disrupt user experience
iUnit Measurement Conversion#3

iUnit Measurement Conversion by Black Cat Systems

1650 units in 57 categories
Worth Considering
🔍 Reference
3.7(6 ratings)
$2.99
iUnit Measurement Conversion screenshot 1
iUnit Measurement Conversion screenshot 2
iUnit Measurement Conversion screenshot 3
iUnit Measurement Conversion screenshot 4
iUnit Measurement Conversion screenshot 5
iUnit Measurement Conversion screenshot 6

This powerful unit conversion app allows users to quickly and easily convert between 1650 different units in 57 categories, covering a wide range of physical quantities. Download the app to start converting units and make your calculations a breeze.

More Iunit Measurement Conversion apps to explore

4
Convert Any Unit Lite
Convert Any Unit Lite
Convert Any Unit Lite
Units & Currency Converter
Free

Convert Any Unit Lite is a versatile app that simplifies unit conversions for users, offering a wide range of conversion options. Easily switch between various units for length, weight, volume, and more with a user-friendly interface. Download now to streamline your conversion needs.

✈️ Travel
(47K)
5
Metric Conversion tool
Metric Conversion tool
Metric Conversion tool
Unit and currency converter
Free

A must-have unit conversion app with over 30,000 conversions, 160 currencies, and detailed historical records. Easily convert weights, temperatures, lengths, areas, volumes, time, angles, and more. Access nine significant digits and fractional results.

🔍 Reference
(15K)
6
Unit Converter - Converta
Unit Converter - Converta
Unit Converter - Converta
Unit converter: feet, inches
Free

Effortlessly convert between imperial and metric units with a user-friendly interface. Track your history and favorites for quick access, even offline. Download now for seamless conversions in your daily life.

🔧 Utilities
(148)
7
Conversion Calculator Plus
Conversion Calculator Plus
Conversion Calculator Plus
Unit Converter
Free

"Explore the ultimate Unit Converter tool with Conversion Calculator Plus – your go-to Swiss army knife for effortless unit conversions. Simplify complex calculations and streamline your work effortlessly."

📊 Productivity
(15K)
8
Unit Converter - Pro Units App
Unit Converter - Pro Units App
Unit Converter - Pro Units App
Convert Any Unit
Free

A versatile conversion calculator app that effortlessly converts various units like length, weight, volume, and more. Simplify your conversions with ease by downloading the app now!

🔍 Reference
(16K)
9
Unit of measurement converter
Unit of measurement converter
Unit of measurement converter
Conversion units Calculator
Free

This unit conversion calculator simplifies comparing and converting different units across 15 categories and 95 measuring units. Say goodbye to unit conversion headaches and save time instantly by just inputting numbers and changing units. Try it now!

🔧 Utilities
(372)
10
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Metric Conversion Calculator +
Free

Experience quick and easy unit conversions with a free, fast, and elegant calculator tool from Mila's Tools. Convert various units such as Area, Bits, Bytes, Length, Temperature, and more effortlessly. Try it out now for hassle-free conversions!

🔧 Utilities
(1.3K)
11
Currency Converter
Currency Converter
Currency Converter
Reliable Exchange Rates
Free

Get reliable exchange rates with our currency converter app. Easily check the latest rates and convert currencies on the go. Download now for quick access to accurate exchange information.

💼 Business
(69)
12
Conversion Calculator Units
Conversion Calculator Units
Conversion Calculator Units
Unit Conversion Calculator All
Free

This app is a handy conversion calculator with 12 categories for quickly converting units. Simplify your conversions with ease!

🔧 Utilities
(4.8K)
13
gUnit - Currency & Unit Converter (Conversion)
gUnit - Currency & Unit Converter (Conversion)
gUnit - Currency & Unit Converter (Conversion)
by Axonic Labs LLC
$1.99

gUnit - Currency is a user-friendly mobile app that provides real-time currency conversion rates, historical data, and customizable alerts. Stay informed about exchange rates and make smart decisions with gUnit - Currency today!

🔧 Utilities
(142)
14
Currency converter: Exchange
Currency converter: Exchange
Currency converter: Exchange
Converter for 160+ currencies
Free

A currency converter application with real-time exchange rates for 160 currencies, featuring offline mode, custom rates, historical exchange rates, and multiple currency conversion. Great for travelers and online shoppers. Try it now!

✈️ Travel
(4.2K)
15
gUnit Lite - Free Currency & Unit Converter (Conversion)
gUnit Lite - Free Currency & Unit Converter (Conversion)
gUnit Lite - Free Currency & Unit Converter (Conversion)
by Axonic Labs LLC
Free

gUnit Lite is a convenient currency converter app that allows users to quickly convert between different currencies with ease. Download now to simplify your currency exchange needs on-the-go!

🔧 Utilities
(70)
16
CONVERT UNITS
CONVERT UNITS
CONVERT UNITS
Simple unit conversion tool
Free

Convert Units is a comprehensive conversion tool that supports various unit types, including currency, with automatic currency updates and a vast selection of 160 currencies. It offers convenient features like multitasking on iPad, quick access links, and customizable display options for accuracy and rounding. The app provides a user-friendly interface with a dark design and the ability to disable sound and rotation.

📊 Productivity
(932)
17
GlobeConvert Currency & Units
GlobeConvert Currency & Units
GlobeConvert Currency & Units
Convert Currency and Units
Free

Convert currencies quickly and easily with this user-friendly app. Access up-to-date exchange rates and make conversions on the go. Experience convenience at your fingertips. Try it now!

🔧 Utilities
(79K)
18
Converter-Universal Conversion
Converter-Universal Conversion
Converter-Universal Conversion
by Trelleborg Sealing Solutions
Free

"An all-in-one conversion tool for engineers and scientists, featuring over 300 units across 32 categories, currency conversion, timezone conversion, and more. Switch between themes, create favorite lists, and enjoy a seamless user experience. Available in multiple languages – download now!"

🔧 Utilities
(897)
19
Kitchen Dial | Food Converter
Kitchen Dial | Food Converter
Kitchen Dial | Food Converter
Recipe Measurement Converter
Free

"Effortlessly convert recipe measurements with Kitchen Dial, featuring a user-friendly dial for easy toggling between various measurement units. Enjoy convenient features like Portion Adjustment, Ingredient Weight Conversions, and more for just $1.99 per year. Get the best kitchen measurement converter on the App Store now!"

🔧 Utilities
(305)
20
Measuring Tape+ Measure AR app
Measuring Tape+ Measure AR app
Measuring Tape+ Measure AR app
Ruler・Level・Measurement Toolㅤ
Free

Turn your device into a powerful measuring tool with AR technology and AI. Easily measure objects and rooms, save and share measurements, and enjoy premium tools with a subscription. Download now to measure precisely and efficiently.

🔧 Utilities
(2K)

Looking for something similar to iunit measurement conversion?

Explore related topics