185+ iOS apps curated and reviewed
iUnit Measurement Conversion is the household name in iunit measurement conversion, but it's far from the only option. We track 185+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $2.99 | 3.7★ (6) | No | No | May 2026 |
| 2 |  | Free | 4.8★ (172K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.6★ (13K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.7★ (47K) | Yes | No | Jul 2026 |
| 5 |  | Free | 4.8★ (15K) | No | No | Jul 2026 |
| 6 |  | Free | 4.8★ (1.4K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 4.7★ (372) | Yes | No | Jul 2026 |
Easily convert between over 1650 units across 57 diverse categories. This powerful yet user-friendly application provides quick and accurate conversions for a wide range of measurements.
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 various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.
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.
Easily convert between various units of measurement for length, area, volume, weight, and more. Input values and instantly see results, simplifying daily calculations for work, homework, or household tasks.
Easily convert between hundreds of units and currencies with lightning-fast results. This app offers an ultra-sleek design and supports various unit variations for US, UK, and Canada. Quickly find and convert with its intuitive search feature.
Effortlessly edit children's photos with AI-powered background removal and pre-designed templates. Ideal for educators creating classroom materials or parents preserving precious memories. Simple to use, even for beginners.
This free app offers lightning-fast unit and currency conversions with an ultra-sleek design. Easily convert essential units and currencies with just a few taps, making it a delightful and efficient tool for your iOS device.
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 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.
Easily convert recipe measurements with an intuitive dial interface. Adjust portions, convert between volume and mass for ingredients, and toggle between various international measurement systems. Includes temperature conversion.
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 over 160 currencies and 350 physical units with real-time updates and offline capabilities. Create a favorites list for quick access to frequently used conversions and enjoy geo-based currency options. An ad-free version is available for purchase.
This app offers a comprehensive unit and currency conversion tool with a visually appealing interface and extensive unit options. It supports standard and non-standard units, compound conversions, and fraction input, making it versatile for various needs.
This app offers a powerful and user-friendly unit converter with 16 categories, including currency, length, and temperature. It allows for custom unit lists and provides live exchange rate updates for 148 currencies. Unlock all features with a one-time in-app purchase.
Easily capture and annotate object dimensions with photos. Store, organize, and share measurements with detailed comments and multiple detail photos. Ideal for professionals and DIYers needing precise documentation.
