202+ iOS apps curated and reviewed
Every iPhone needs a few good apps with measurement converters. We benchmark 202+ 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 | 4.8★ (172K) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.7★ (47K) | Yes | No | Jul 2026 |
| 3 |  | Free | 3.6★ (150) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.8★ (15K) | No | No | Jul 2026 |
| 5 |  | Free | 4.6★ (42K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.4★ (305) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.8★ (5K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.3★ (3.2K) | Yes | 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.
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 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 augmented reality app transforms your phone into a versatile measuring tool. Accurately measure distances, surfaces, angles, and even detect studs. Visualize furniture placement and create floor plans with ease.
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.
Measure objects and spaces using your device's camera with augmented reality. This app offers tools for measuring lengths, heights, areas, and creating floor plans. Save and share your measurements for various projects.
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.
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.
Transform your device into a powerful measuring tool using augmented reality. Accurately measure objects and spaces by simply pointing your camera. Save, share, and manage your measurements with ease.
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 precise measurements using augmented reality and on-screen tools. It caters to both professional and everyday needs with features like a flexible measuring tape, bubble level, and photo ruler. Save and manage your measurements within projects for easy access.
Transform your smartphone into a precise digital measuring tape. Measure objects, size furniture, and scan rooms in 3D using augmented reality. Supports multiple units and allows saving/sharing measurements.
Measure distances and angles using your device's sensors. This app functions as a ruler, tape measure, rangefinder, protractor, and 3D angle finder, offering a quick and accurate way to take measurements in various conditions.
This app uses AR and device sensors to provide digital measurement tools. Measure distances, heights, and areas with a virtual ruler and level. Save and share your measurements easily.
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 capture and annotate photos of objects with dimensions, angles, and text comments. Organize projects, share them as PDFs or images, and collaborate with others via cloud features. Ideal for professionals needing to document and share measurements accurately.
This app allows you to measure dimensions directly on photos from your camera or library. You can add annotations like arrows, angles, and text, and organize your projects in folders. Share your measurements via email or export them to your photo library.
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.