242+ iOS apps curated and reviewed
Every iPhone needs a few good conversion calculator measurements apps. We benchmark 242+ 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 | 4.7★ (4.8K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.6★ (13K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (192K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (48K) | Yes | No | Aug 2026 |
| 5 |  | $29.99 | 5.0★ (8) | No | No | Aug 2026 |
| 6 |  | Free | 4.8★ (157) | No | Yes | Aug 2026 |
| 7 |  | Free | 4.9★ (897) | No | No | Aug 2026 |
| 8 |  | Free | 4.7★ (15K) | Yes | Yes | Aug 2026 |
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 currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.
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 professional conversion calculator offers over 400 standard and metric unit conversions for linear, area, and volume measurements. It's ideal for professionals needing quick and accurate calculations in various dimensional formats, including feet-inch-fractions and decimal units.
Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.
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 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 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 scientific calculator with multiple modes, including algebraic, scientific, conversions, and logic calculations. It features a user-friendly design with large buttons and remembers your progress if interrupted.
This app simplifies measurement math for projects by allowing real-time fraction calculations. It converts results to various units and offers rounding options based on precision, helping users select the best measurement for their needs.
Instantly convert over 200 units across 20 measurement categories, from weight and length to temperature and data storage. This tool simplifies metric and Imperial conversions for STEM professionals and everyday users alike.
This app offers a comprehensive solution for converting various units, including currencies, measurements, and more. With over 45 converters in a single, user-friendly interface, it simplifies calculations and saves device storage. It works offline and supports over 150 international currencies.
This app allows for easy and accurate conversion and combination of various units of measurement. Perform complex calculations, including multiplication of lengths to find area or division of distance by time to get speed. It's ideal for students, engineers, and everyday use.
This utility app offers a comprehensive suite of calculation tools for everyday needs. It includes basic and scientific functions, unit and currency conversions, world time, health metrics, and GPA calculation. Customize your calculator experience with practical, easy-to-use features.
This construction calculator streamlines measurements with a visual ruler and smart keypad, reducing taps for faster calculations. It offers real-time results, history recall, and one-handed operation for tradespeople.
This app offers a versatile calculator with both basic and scientific functions. It includes advanced features like currency and unit conversions, customizable themes, and history tracking. Optimized for both portrait and landscape modes, it's designed for users needing precise calculations and conversions.