1. Home
  2. Topics
  3. Temperature Unit Converter

Best Temperature Unit Converter Apps

190+ iOS apps curated and reviewed

4.7 avg rating
16 free apps
Updated June 2026

Looking for free temperature unit converter apps? 16 of our 190+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Temperature Unit Converter

Convert Any Unit Lite#1

Convert Any Unit Lite by Cider Software LLC

Units & Currency Converter
Editor's Choice
✈️ Travel
4.7😊(47K 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

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.

What We Love

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

Room to Improve

  • 🔍 Too many unit options can be overwhelming
  • 🔍 Ads can be intrusive and disrupt usage
  • 🐛 Occasional bugs and freezing issues
Unit Converter - Best Unit App#2

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Strong Contender
✈️ 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
Unit Converter: Mila's Tools#3

Unit Converter: Mila's Tools by Scott DeSapio

Metric Conversion Calculator +
Worth Considering
🔧 Utilities
4.8😊(1.4K ratings)
FreeAdsIn-App Purchases
Unit Converter: Mila's Tools screenshot 1
Unit Converter: Mila's Tools screenshot 2
Unit Converter: Mila's Tools screenshot 3
Unit Converter: Mila's Tools screenshot 4
Unit Converter: Mila's Tools screenshot 5
Unit Converter: Mila's Tools screenshot 6

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!

What We Love

  • 👍 Easy to use
  • 🚀 Quick and accurate conversions
  • 💡 Comprehensive list of units
  • 🔍 Convenient for everyday use

Room to Improve

  • 🐛 Scrolling issues on newer devices
  • 🔍 Limited customization options
  • 💰 Desire for free version to remain free

More Temperature Unit Converter apps to explore

4
Conversion Calculator !
Conversion Calculator !
Conversion Calculator !
Currency, Temperature, Length
Free

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

📊 Productivity
(13K)
5
Units Plus Converter
Units Plus Converter
Units Plus Converter
Convert Any Unit & Currency
$19.99

Units Plus Converter is a versatile application capable of converting any unit of measurement into another. From length and weight to temperature and currency, this app provides a comprehensive tool for all your conversion needs. Download now for hassle-free unit conversions.

🔧 Utilities
(8.3K)
6
Convert Any Unit
Convert Any Unit
Convert Any Unit
Units & Currency Converter
$9.99

Convert Any Unit is an innovative app that allows users to effortlessly convert various units of measurement. From length and weight to temperature and more, this app offers a user-friendly interface for quick and accurate conversions. Try it now for seamless unit conversions on the go!

✈️ Travel
(5.1K)
7
Currency & Unit Converter #
Currency & Unit Converter #
Currency & Unit Converter #
Scientific Unit Converter
Free

Get real-time currency exchange rates, set up rate alerts, and track multiple currencies with ease. Stay updated on global currency trends and make informed decisions. Download now to manage your finances more effectively!

🔧 Utilities
(217)
8
Converter (unit conversions)
Converter (unit conversions)
Converter (unit conversions)
by Brent Royal-Gordon
Free

An essential unit conversion tool praised by Macworld Magazine, featuring 76 measurement units across various categories. Easily convert between units like length, weight, temperature, and more with a user-friendly interface and daily exchange rate subscription option for 161 currencies. Effortlessly manage your everyday unit conversions with this intuitive and practical application.

🔧 Utilities
(1.9K)
9
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)
10
Mila's Unit Converter PRO
Mila's Unit Converter PRO
Mila's Unit Converter PRO
Ultimate conversion calculator
$29.99

A fast and elegant unit conversion calculator app designed for quick and efficient conversions in various categories including Area and Bits. Experience seamless usability with Mila's Tools PRO Converter for all your conversion needs.

🔧 Utilities
(842)
11
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)
12
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)
13
Unit Converter Calculator Pro
Unit Converter Calculator Pro
Unit Converter Calculator Pro
Simple With Metric & Imperial
Free

This application is a user-friendly tool for swiftly converting units across various metrics, making calculations hassle-free. Try it now for effortless unit conversions on-the-go.

🔧 Utilities
(916)
14
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)
15
CalConvert: Currency Converter
CalConvert: Currency Converter
CalConvert: Currency Converter
Calculator & Unit Conversion $
Free

Convert currencies easily and efficiently with this intuitive currency converter app. Simply input the amount and select the currencies you want to convert between, making international transactions a breeze. Download now to streamline your currency conversions.

✈️ Travel
(6.4K)
16
Unit Converter | Converter4U
Unit Converter | Converter4U
Unit Converter | Converter4U
Student Traveler Cook and DIY
Free
$0.99 | 100% OFF

This powerful and intuitive unit conversion app allows users to seamlessly convert between various units of measurement, including length, weight, temperature, and more, providing instant and accurate results. Download the app now and experience the convenience of having a comprehensive conversion tool at your fingertips, saving you time and effort.

📊 Productivity
(193)
17
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)
18
Measures Unit Converter
Measures Unit Converter
Measures Unit Converter
Unit Converter
$1.99
$2.99 | 33% OFF

Easily convert between hundreds of units and currencies with our intuitive app! Featuring a user-friendly interface, daily updated exchange rates, and a wide range of conversion categories, this app simplifies your daily tasks, travel, and leisure activities. Try it now for fast and efficient conversions!

🔧 Utilities
(20)
19
Ultimate Unit Converter Pro
Ultimate Unit Converter Pro
Ultimate Unit Converter Pro
by Talal El Zeini
Free
🔧 Utilities
(3)
20
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)

Looking for something similar to temperature unit converter?

Explore related topics