224+ iOS apps curated and reviewed
Every iPhone needs a few good unit converter pro apps. We benchmark 224+ 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 | 4.6★ (16K) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.8★ (172K) | Yes | Yes | Jul 2026 |
| 3 |  | $0.99 | 4.6★ (182) | No | No | Jun 2026 |
| 4 |  | Free | 4.7★ (47K) | Yes | No | Jul 2026 |
| 5 |  | Free | 4.8★ (148) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.7★ (2.3K) | No | Yes | Jul 2026 |
| 7 |  | $9.99 was $29.99 | 4.7★ (842) | No | No | Jul 2026 |
| 8 |  | Free | 3.6★ (150) | Yes | Yes | Jul 2026 |
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 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 over 700 units of measure across 30 categories. This powerful tool acts as a universal assistant for all your conversion needs, saving you time and effort.
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 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 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.
Effortlessly convert between hundreds of units across 26 essential categories with this precision calculator. Designed for speed and simplicity, it offers accurate results in seconds for students, professionals, and travelers alike. Enjoy offline functionality and a customizable experience.
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 between metric and imperial units for a wide range of measurements including area, speed, temperature, and weight. Supports scientific prefixes and offers a history of your conversions. No internet connection required.
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 various units and currencies with a simple, intuitive interface. Features live currency updates for 155 world currencies, refreshed every 15 minutes. Optimized for a wide range of Apple devices, including iPads with Split View support.
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 fast and user-friendly way to convert units and currencies. Customize your conversion lists and get instant results as you type, with support for over 350 units and 160 currencies. It also includes a built-in calculator and offline currency data.
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.
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 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 utility app provides a streamlined way to perform unit conversions quickly and efficiently. It's designed to be an essential tool for users who need to make calculations on the go. Elevate your conversion experience with this powerful application.
A straightforward unit converter designed for ease of use and efficiency. It offers a wide range of conversion options without any advertisements, saving battery and data. All conversions are performed on a single, intuitive screen.
Easily convert between a wide range of units for length, area, mass, temperature, volume, and more. This app offers a comprehensive set of conversion tools for everyday and professional use.