230+ iOS apps curated and reviewed
Finding the right simple unit converter app can be overwhelming with so many options. We've analyzed 230+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $1.99 | 5.0★ (1) | Yes | Yes | May 2026 | |
| 2 |  | Free | 4.7★ (48K) | Yes | No | Sep 2026 | |
| 3 |  | Free | 3.6★ (150) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 4.7★ (645) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.8★ (193K) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | 4.7★ (408) | Yes | Yes | Aug 2026 | |
| 7 |  | Free | 4.6★ (16K) | No | Yes | Sep 2026 | |
| 8 |  | Free | 3.9★ (54) | No | Yes | Aug 2026 |
Easily convert between a vast range of measurement units, including acceleration, mass, temperature, and volume. This tool supports numerous categories to help you with everyday conversions and specialized needs.
Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.
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.
