Best Temp Converter Apps

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated November 2026

Looking for free temp converter apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Temp Converter Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Temperature ConverterTemperature ConverterFree4.8★ (6.3K)NoYesNov 2026
2Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (200K)YesYesNov 2026
3Temperature Converter °C °F KTemperature Converter °C °F KFree5.0★ (4)NoNoNov 2026
4Temp Converter +Temp Converter +Free4.8★ (21)YesNoNov 2026
5Oven Temp ConverterOven Temp ConverterFree5.0★ (1)NoNoOct 2026
6Celsius Fahrenheit ConverterCelsius Fahrenheit ConverterFree—YesNoJun 2026
7Temperature Converter - ProTemperature Converter - ProFree——NoMay 2026
8Converter: all unit converterConverter: all unit converterFree—NoNoMay 2026

Top Picks for Temp Converter

Temperature Converter#1

Temperature Converter by Armchair Engineering

Celsius Fahrenheit Kelvin
Editor's Choice
🔧 Utilities
4.8😊(6.3K ratings)
FreeIn-App Purchases
Temperature Converter screenshot 1
Temperature Converter screenshot 2
Temperature Converter screenshot 3
Temperature Converter screenshot 4
Temperature Converter screenshot 5

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with a clean and intuitive interface. This utility app offers quick and accurate conversions for everyday use. Ads are present but can be removed via a one-time purchase.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Accurate and fast conversions
  • 💡 Useful for international communication
  • 🚀 Excellent app for the job
  • 👍 Straightforward and effective

Room to Improve

  • 🔍 Needs more customization options
  • 💰 Too many ads
  • 🔍 Inaccurate temperature calculations
Unit Converter - Best Unit App#2

Unit Converter - Best Unit App by Alan Mrvica

Convert All Units and Currency
Strong Contender
✈️ Travel
4.8😊(200K ratings)
FreeAdsIn-App Purchases
#80in 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 vast array of units and currencies with live exchange rates. This app offers a simple, intuitive interface for over 20 categories, making it ideal for everyday tasks and travel.

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
Temperature Converter °C °F K#3

Temperature Converter °C °F K by An Do

Celsius Fahrenheit Kelvin R Re
Worth Considering
🔧 Utilities
5.0(4 ratings)
Free
Temperature Converter °C °F K screenshot 1
Temperature Converter °C °F K screenshot 2
Temperature Converter °C °F K screenshot 3

This utility app offers a straightforward way to convert between multiple temperature units simultaneously. It features a dedicated numeric keyboard with support for negative numbers and decimals, ensuring quick and accurate conversions for various scientific and travel needs.

More Temp Converter apps to explore

FAQ about Temp Converter

What are the best temp converter apps for iPhone?
Temperature Converter tops our temp converter apps ranking as of November 2026, with a 4.8-star average from 6.3K App Store ratings, and it's free to download.
Yes — 20 of the top temp converter apps we rank are free to download, including Temperature Converter and Unit Converter - Best Unit App.
Temperature Converter has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ temp 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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