246+ iOS apps curated and reviewed
The best temperature converter apps on iPhone average 4.4★ across 246+ 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 | 4.7★ (128) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.8★ (6.3K) | No | Yes | Oct 2026 | |
| 3 |  | Free | 4.8★ (193K) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 5.0★ (4) | No | No | Sep 2026 | |
| 5 |  | Free | 4.4★ (33) | Yes | No | Sep 2026 | |
| 6 |  | Free | 4.6★ (1.6K) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | 2.5★ (2) | No | No | May 2026 | |
| 8 |  | Free | — | — | No | May 2026 |
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 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 between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.
