250+ iOS apps curated and reviewed
With an average user rating of 4.6★, the units conversion chart category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (191K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (47K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.8★ (15K) | No | No | Aug 2026 |
| 4 |  | Free | 4.8★ (1.4K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (2.3K) | No | Yes | Aug 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | 3.6★ (150) | Yes | Yes | Aug 2026 |
| 8 |  | Free | — | No | No | May 2026 |
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.
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.
This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.
This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.
This app offers a comprehensive unit and currency converter with a vast array of categories and calculators for everyday needs. It allows users to customize templates, download shared ones, and provides automatic exchange rate updates for 167 world currencies.
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.
Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.
This utility app offers a smart and elegant tool for converting between various units of measurement. It covers over 9 common categories, including length, temperature, mass, and volume, with a simple and optimized user interface.
