235+ iOS apps curated and reviewed
The best temperature converter classic apps on iPhone average 4.2★ across 235+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (369) | No | No | Aug 2026 |
| 2 |  | Free | 4.8★ (6.3K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (94) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.4★ (32) | Yes | No | Jul 2026 |
| 5 |  | Free | 4.7★ (7) | Yes | Yes | Jul 2026 |
| 6 |  | $0.99 | 5.0★ (4) | No | No | May 2026 |
| 7 |  | Free | 4.6★ (1.1K) | Yes | Yes | Jun 2026 |
| 8 |  | Free | 4.6★ (31) | Yes | No | Jul 2026 |
Effortlessly convert temperatures between Celsius, Fahrenheit, and Kelvin. This utility app provides a straightforward interface for quick and accurate conversions.
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.
Easily convert temperatures between Celsius and Fahrenheit with instant results. The app visually indicates the temperature using background color and offers adjustable precision. Home screen widgets provide quick access to conversions without any advertisements.
Easily convert temperatures between Celsius, Fahrenheit, and Kelvin. This utility is ideal for travel, cooking, scientific applications, or daily use.
Effortlessly convert between five major temperature scales, including Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur. Customize your view, save favorite scales, and enjoy precise formatting for everyday use or scientific calculations.
Easily convert temperatures between Celsius and Fahrenheit with a simple sliding interface. This app offers a quick and intuitive way to switch units without typing, with customizable temperature ranges. It's designed for users who frequently need to check temperatures in different scales.
Effortlessly convert temperatures between eight different units including Celsius, Fahrenheit, Kelvin, and more. This app provides accurate conversions with clear formulas, making it ideal for students and professionals needing quick temperature calculations.
Easily convert temperatures between Fahrenheit and Celsius. This straightforward utility is designed for simple and quick temperature conversions.
This utility app provides quick and easy conversions between various measurement units. It supports standard categories like length, area, volume, and weight, as well as specialized units for angle, speed, data storage, and currency for over 160 countries.
Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with a simple scrolling interface. Adjust values and see conversions update instantly.
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.
This app offers a straightforward way to convert common measurements across various categories like length, weight, and temperature. It features a clean interface for quick input and instant, readable results, with options to swap units and view conversion history.
Easily convert temperatures between Celsius, Fahrenheit, and Kelvin. This utility app is ideal for students and travelers needing quick, offline conversions. Share calculations with formulas included.
Easily convert temperatures between Fahrenheit, Celsius, and Kelvin scales. This utility app provides a simple interface for quick and accurate temperature conversions.
Effortlessly convert temperatures between various scales. Select your starting unit, input the temperature, and get instant results. Supports common and scientific units for comprehensive conversion needs.
Easily convert between a vast array of US, imperial, and metric units across multiple categories including length, area, volume, weight, and temperature. This comprehensive tool supports numerous specific units within each conversion type.
Effortlessly convert between hundreds of units across 26 essential categories with this precision calculator. Designed for speed and simplicity, it offers accurate results in seconds for students, professionals, and travelers alike. Enjoy offline functionality and a customizable experience.