Best Celcius Apps

245+ iOS apps curated and reviewed

4.1 avg rating
18 free apps
Updated October 2026

Looking for free celcius apps? 18 of our 245+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Celcius Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fahrenheit Celsius CalculatorFahrenheit Celsius CalculatorFree4.6★ (1.8K)YesYesNov 2026
2Coinbase: Buy Crypto & StocksCoinbase: Buy Crypto & StocksFree4.7★ (1.8M)YesNoNov 2026
3Unit WeatherUnit WeatherFree4.5★ (45)NoYesOct 2026
4Franz Fahrenheit & CelsiusFranz Fahrenheit & CelsiusFree4.8★ (1.5K)NoYesNov 2026
5Celsius Thermometer PlusCelsius Thermometer PlusFree4.7★ (54)YesYesOct 2026
6WeatherWeatherFree4.8★ (1.9M)NoNoNov 2026
7Celcius To FahrenheitCelcius To Fahrenheit$0.99—YesNoAug 2026
8Temperature ConverterTemperature ConverterFree4.8★ (6.3K)NoYesOct 2026

Top Picks for Celcius

Fahrenheit Celsius Calculator#1

Fahrenheit Celsius Calculator by Michael Baron

Meeting Your Conversion Needs
Editor's Choice
🔧 Utilities
4.6😊(1.8K ratings)
FreeAdsIn-App Purchases
Fahrenheit Celsius Calculator screenshot 1
Fahrenheit Celsius Calculator screenshot 2
Fahrenheit Celsius Calculator screenshot 3
Fahrenheit Celsius Calculator screenshot 4
Fahrenheit Celsius Calculator screenshot 5

Easily convert temperatures between Fahrenheit and Celsius. Access current, historical, and forecasted weather data for any city in both units simultaneously.

What We Love

  • 👍 Easy to use
  • 🚀 Instant conversion
  • 💡 Helpful for international users
  • 🚀 Efficient temperature conversion

Room to Improve

  • 🐛 Disappearing calculator
  • 🐛 Ads covering buttons
  • 🐛 Inability to go back or clear
Coinbase: Buy Crypto & Stocks#2

Coinbase: Buy Crypto & Stocks by Coinbase, Inc.

Trade millions of assets
Strong Contender
💰 Finance
4.7(1.8M ratings)
FreeAds
#43in Finance
Coinbase: Buy Crypto & Stocks screenshot 1
Coinbase: Buy Crypto & Stocks screenshot 2
Coinbase: Buy Crypto & Stocks screenshot 3
Coinbase: Buy Crypto & Stocks screenshot 4
Coinbase: Buy Crypto & Stocks screenshot 5
Coinbase: Buy Crypto & Stocks screenshot 6

Securely buy, sell, trade, and store a wide range of cryptocurrencies. Manage your digital assets and explore prediction markets and stock trading within a unified portfolio. Earn rewards through staking and recurring buys.

Unit Weather#3

Unit Weather by Hockey Labs, Inc.

Fahrenheit Celsius Widget
Worth Considering
☀️ Weather
4.5😐(45 ratings)
FreeIn-App Purchases
Unit Weather screenshot 1
Unit Weather screenshot 2
Unit Weather screenshot 3
Unit Weather screenshot 4
Unit Weather screenshot 5
Unit Weather screenshot 6

This app provides accurate weather forecasts with real-time temperature updates, displaying both Fahrenheit and Celsius simultaneously. It features a customizable home screen widget to help users easily adapt to and learn temperature conversions.

What We Love

  • 🌡️ Displays F/C temperatures
  • 🌍 Useful for international users
  • 📱 Lock screen widget functionality
  • 👍 Free widget functionality
  • 💡 Dual unit forecasts
  • 🇩🇪 German language support
  • 🤝 Good customer support
  • ✨ Bold text and color options
  • ✅ Reliable for some users
  • 💯 One-of-a-kind app

Room to Improve

  • 💸 Unrealistic paywall
  • 🚫 Blurred weather information
  • 🚨 "NEW!" banner on widget
  • 📉 Paid features frustration
  • 😵 App crashes frequently
  • ❌ Application not opening
  • 📍 Widget stuck on random location
  • ⚪ Widgets showing blank/colored squares
  • 🔒 Subscription required for basic utility
  • ⏳ Widget not updating often
  • 🚫 Widget not working on iOS iPad 18.0.1
  • ❌ App not working for some users
  • 🔢 Widget shows incorrect temperatures
  • ❓ No instructions on how to use widget

More Celcius apps to explore

FAQ about Celcius

What are the best celcius apps for iPhone?
Fahrenheit Celsius Calculator tops our celcius apps ranking as of October 2026, with a 4.6-star average from 1.8K App Store ratings, and it's free to download.
Yes — 18 of the top celcius apps we rank are free to download, including Fahrenheit Celsius Calculator and Coinbase: Buy Crypto & Stocks.
Fahrenheit Celsius Calculator shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 245+ celcius apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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