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Best Free Temperature Converter Apps

249+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated October 2026

Looking for free free temperature converter apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Free Temperature Converter Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Temperature Converter ∞Temperature Converter ∞Free4.4★ (33)YesNoOct 2026
2Fahrenheit Celsius ConverterFahrenheit Celsius ConverterFree4.7★ (130)YesNoOct 2026
3Temperature ConverterTemperature ConverterFree4.8★ (6.3K)NoYesOct 2026
4Temperature Converter °C °F KTemperature Converter °C °F KFree5.0★ (4)NoNoSep 2026
5Mila's Temperature ConverterMila's Temperature ConverterFree4.3★ (8)YesYesNov 2026
6Unit Converter - Best Unit AppUnit Converter - Best Unit AppFree4.8★ (199K)YesYesNov 2026
7Temperature Converter .Temperature Converter .Free4.7★ (131)NoYesOct 2026
8Digital Temperature ConverterDigital Temperature ConverterFree4.6★ (1.1K)YesYesOct 2026

Top Picks for Free Temperature Converter

Temperature Converter#3

Temperature Converter by Armchair Engineering

Celsius Fahrenheit Kelvin
Worth Considering
🔧 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

More Free Temperature Converter apps to explore

FAQ about Free Temperature Converter

What are the best free temperature converter apps for iPhone?
Temperature Converter ∞ tops our free temperature converter apps ranking as of October 2026, with a 4.4-star average from 33 App Store ratings, and it's free to download.
Temperature Converter ∞ shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ free temperature converter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.