187+ iOS apps curated and reviewed
The best metric conversions premium apps on iPhone average 4.7★ across 187+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
This premium unit conversion app offers a clutter-free interface with offline access to over 30,000 conversions, including currencies, weights, temperatures, lengths, and more, with the ability to save favorite conversions and obtain results with up to 5 decimal places. Try it now and experience the ease of use and comprehensive functionality that has made our website a go-to resource for over a billion users.
A must-have unit conversion app with over 30,000 conversions, 160 currencies, and detailed historical records. Easily convert weights, temperatures, lengths, areas, volumes, time, angles, and more. Access nine significant digits and fractional results.
Easily convert units of measurement with this user-friendly app. Say goodbye to complex calculations and simplify your unit conversions today!
A free unit converter app optimized for iPhone and iPad, featuring 12 categories for converting various units including area, currency, data, length, and more. Includes daily currency updates for 155 world currencies and is designed for easy use. Download now for quick and accurate unit conversions.
An essential unit conversion tool praised by Macworld Magazine, featuring 76 measurement units across various categories. Easily convert between units like length, weight, temperature, and more with a user-friendly interface and daily exchange rate subscription option for 161 currencies. Effortlessly manage your everyday unit conversions with this intuitive and practical application.
Convert Any Unit Lite is a versatile app that simplifies unit conversions for users, offering a wide range of conversion options. Easily switch between various units for length, weight, volume, and more with a user-friendly interface. Download now to streamline your conversion needs.
"An all-in-one conversion tool for engineers and scientists, featuring over 300 units across 32 categories, currency conversion, timezone conversion, and more. Switch between themes, create favorite lists, and enjoy a seamless user experience. Available in multiple languages – download now!"
"Explore the ultimate Unit Converter tool with Conversion Calculator Plus – your go-to Swiss army knife for effortless unit conversions. Simplify complex calculations and streamline your work effortlessly."
A versatile conversion calculator app that effortlessly converts various units like length, weight, volume, and more. Simplify your conversions with ease by downloading the app now!
Convert currencies easily and efficiently with this intuitive currency converter app. Simply input the amount and select the currencies you want to convert between, making international transactions a breeze. Download now to streamline your currency conversions.
Convert Units is a comprehensive conversion tool that supports various unit types, including currency, with automatic currency updates and a vast selection of 160 currencies. It offers convenient features like multitasking on iPad, quick access links, and customizable display options for accuracy and rounding. The app provides a user-friendly interface with a dark design and the ability to disable sound and rotation.
Measure anything with precision using augmented reality technology. Easily save and organize your measurements for future reference. Experience the convenience of accurate measurements at your fingertips.
A powerful AR tape measure tool that uses augmented reality technology to measure real-world objects with your smartphone's camera. Features include measuring linear sizes, distances, angles, area, volume, and height accurately. Try our Premium subscription for ad-free experience and unlimited projects. [Call-to-action: Experience precise measurements with AR technology today!]
gUnit - Currency is a user-friendly mobile app that provides real-time currency conversion rates, historical data, and customizable alerts. Stay informed about exchange rates and make smart decisions with gUnit - Currency today!
Measure anything with a handy digital ruler and create sketches with text editing options using this smart electronic measuring tool app. Features include imperial and metric units, rangefinder, sketch mode, and sharing capabilities. Subscription unlocks additional features like the Area Tool, Undo, Flashlight, and Magnet.
Measure anything easily with our powerful AR measuring tool that utilizes your device's camera and advanced AI technology. From simple lengths to complex angles, this app serves as the ultimate measuring tool right in your pocket.
This application helps with converting ingredients and cooking units, making it easy to adapt recipes from metric to customary systems and vice versa, and also allows for quick lookup of past conversions. It offers various features, including unit conversions for mass, temperature, volume, and distance, and a customizable interface with dark mode and multiple color options.
A powerful measurement conversion calculator app for professionals in design, construction, and more, offering accurate results for various units and dimensions. Seamlessly switch between different measurement systems and access advanced functions for precise calculations and cost estimations. Try it free for 7 days!