Easily convert between various units for distance, area, volume, weight, speed, temperature, and more. Supports conversions between different regional systems like Europe, the US, and the UK.






232+ iOS apps curated and reviewed
Every iPhone needs a few good units converter easy apps. We benchmark 232+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.0★ (4) | Yes | No | Sep 2026 | ||
| 2 | Free | 4.1★ (51) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 3.9★ (56) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.8★ (82K) | Yes | Yes | Nov 2026 | ||
| 5 | Free | 4.8★ (110) | Yes | Yes | Nov 2026 | ||
| 6 | Free | 4.7★ (48K) | Yes | No | Nov 2026 | ||
| 7 | Free | 4.7★ (646) | Yes | Yes | Nov 2026 | ||
| 8 | Free | 4.5★ (17) | No | No | Nov 2026 |






Easily convert between various units for distance, area, volume, weight, speed, temperature, and more. Supports conversions between different regional systems like Europe, the US, and the UK.






Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.




A straightforward unit converter designed for ease of use and efficiency. It offers a wide range of conversion options without any advertisements, saving battery and data. All conversions are performed on a single, intuitive screen.