247+ iOS apps curated and reviewed
The best temperature converter classic apps on iPhone average 4.1★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (402) | No | No | Oct 2026 | |
| 2 |  | Free | 4.8★ (6.3K) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.7★ (128) | No | Yes | Oct 2026 | |
| 4 |  | Free | 4.6★ (1.1K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.2★ (39) | No | Yes | Oct 2026 | |
| 6 |  | Free | 3.5★ (18) | No | Yes | Oct 2026 | |
| 7 |  | Free | 4.7★ (22K) | No | Yes | Oct 2026 | |
| 8 |  | Free | 3.1★ (7) | No | Yes | Sep 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.
