188+ iOS apps curated and reviewed
Out of 188+ measurement converter calc apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (172K) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.7★ (47K) | Yes | No | Jul 2026 |
| 3 |  | Free | 4.6★ (16K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (13K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.8★ (15K) | No | No | Jul 2026 |
| 6 |  | Free | 4.7★ (15K) | Yes | Yes | Jul 2026 |
| 7 |  | $9.99 | 4.8★ (5.1K) | No | No | Jul 2026 |
| 8 |  | Free | 4.9★ (4K) | No | Yes | Jul 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 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 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.
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 is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.
This app offers a fast and intuitive way to convert between thousands of units and currencies. Simply type to search and select units, with automatic category detection and intelligent suggestions. It includes advanced features like a built-in calculator and bookmark organization.
This app provides comprehensive U.S. and metric unit conversions and advanced calculations for design and building projects. It offers solutions for geometry, weight, and dimensional analysis, with a user-friendly interface and built-in help.
This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.
Easily convert over 700 units across 30 categories with this powerful tool. It offers a user-friendly interface, dark mode support, and a backspace key for quick corrections. Save time on all your measurement conversion needs.
Convert currencies and units quickly and efficiently on a single screen. This free version offers essential conversion tools with a built-in calculator and natural language search. Upgrade to the full version for expanded unit options and an ad-free experience.
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 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 conversion tool with over 971 units across 40 categories, including 173 currencies with real-time exchange rates. It features an intuitive interface, a scientific calculator, and offline functionality, making it ideal for precise conversions.
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.
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.
This app offers a comprehensive unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.
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.
This app provides a convenient way to perform calculations involving feet and inches. It features a visual tape measure display and supports fractions and mixed decimals, showing results in feet, inches, and centimeters.
This app offers a comprehensive unit and currency converter with over 1500 units across 65 categories. It features advanced search, customization, and two conversion modes for convenience, performing calculations as you type.