Easily convert between various units for distance, area, volume, weight, speed, temperature, and more. Supports conversions between different regional systems like Europe, the US, and the UK.






175+ iOS apps curated and reviewed
Every iPhone needs a few good units converter easy apps. We benchmark 175+ 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 | 4.0★ (4) | Yes | No | May 2026 | |
| 2 | Free | 4.7★ (47K) | Yes | No | Jul 2026 | |
| 3 | Free | 4.7★ (2.3K) | No | Yes | Jul 2026 | |
| 4 | Free | 4.7★ (642) | Yes | Yes | May 2026 | |
| 5 | Free | 3.7★ (3) | Yes | No | May 2026 | |
| 6 | Free | 4.9★ (17) | Yes | No | May 2026 | |
| 7 | Free | 4.8★ (15K) | No | No | Jul 2026 | |
| 8 | Free | — | No | No | May 2026 |






Easily convert between various units for distance, area, volume, weight, speed, temperature, and more. Supports conversions between different regional systems like Europe, the US, and the UK.





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 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.


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.


Easily convert between common American and metric units for height, weight, temperature, distance, and liquid volume. Features a unique slide-to-convert interface and includes a BMI calculator. Values can be amplified for larger adjustments.


This app simplifies unit conversions with a wide range of tools. Easily convert currencies, weights, measurements, and time with a user-friendly interface. It's designed for quick and accurate calculations.


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 straightforward and user-friendly interface for converting various units of measurement. It categorizes essential conversions for daily life, ventilation, science, and other common 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.


Easily convert between various units of measurement for everyday tasks. This application offers a simple and convenient user interface for quick calculations. Convert speed, weight, distance, temperature, and more with ease.


Easily convert between a wide range of units for everyday tasks. Quickly change units with a simple scroll interface. Supports common measurements like length, weight, temperature, and more.


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.


Easily convert between 76 measurement units across eight common types, including length, weight, temperature, and volume. Features a built-in calculator and optional currency conversion with daily exchange rate updates.


Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.


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 send money internationally to over 200 countries and 100+ currencies. Get competitive rates, track transfers, and choose flexible payment and payout methods. Millions trust this app for fast, secure, and reliable global money transfers.






Easily convert between various units of measurement and global currencies. Access frequently used conversions quickly and customize your unit lists for efficiency. Currency exchange rates are updated hourly for real-time accuracy.


This app offers a comprehensive solution for converting various units and currencies. With over 25 categories and 150 currencies supported, it caters to a wide range of conversion needs. It is designed for Apple devices and supports 24 languages.