244+ iOS apps curated and reviewed
Every iPhone needs a few good conversion calculator units apps. We benchmark 244+ 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 | 4.7★ (4.8K) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | 4.8★ (193K) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 3.6★ (150) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 4.6★ (13K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.7★ (48K) | Yes | No | Sep 2026 | |
| 6 |  | Free | 4.7★ (2.4K) | No | Yes | Sep 2026 | |
| 7 |  | Free | 4.8★ (6) | No | No | Sep 2026 | |
| 8 |  | Free | 4.3★ (53) | No | Yes | May 2026 |
This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.
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.
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.
