Best Unit Converter Apps For iPhone in 2023

🗓️ June 22, 2023 By ✍️ Jaysukh patel

Unit conversions are part of our day-to-day activities, especially for students and teachers. It can be difficult to perform unit conversion manually if you are not good with maths. Having the correct app can help you speed up the converting process regardless of how knowledgeable you are. 

With the ever-increasing number of unit conversion apps for iPhone, it can be hard to know which ones are the best. With deep research, we have compiled a list of the top apps that offer accurate conversions between a wide range of units of measurement, such as length, volume, temperature, and more. These conversion apps make it easy for users to convert between different units with just a few taps quickly. So if you’re looking for a reliable unit converter app for your iPhone, you’re in the right place!

Best Unit Converter iPhone Apps Free (Offline & Online)

    1. Unit Converter – Best Unit App

    Unit Converter Best Unit App
    Unit Converter Best Unit App

    Unit Converter is the best and most free unit converter app that converts almost every unit. The app is the free version of the units plus converter with a decent user interface and has 12 categories of unit converters. The best thing is it also shows live currency updates for the majority of currencies across the globe. The app is specially optimized for iPhone and iPad retina display to offer fast unit conversion. You can convert anything using this app, including length, speed, area, fuel mileage, pressure, temperature, speed, volume, mass, and much more. The app downloads the latest currency rate data once you open the app to give accurate results

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    Benefits of using Unit Converter:

    • Free app and converts almost anything
    • Optimized for iPhone and iPad
    • Live currency updates

    2. Unit Converter, Convert Metric

    Unit converter, convert metric
    Unit converter, convert metric

      This app is a superior unit converter that can help you convert various currencies, weights, measurements, distances, sizes, and more. The app is simple and super easy to use, performing conversions within seconds. You can also perform real-time currency conversion. The app has over 30 categories and supports 300 plus units, giving you an accurate conversion value. Whether you are a businessman or a trading expert, this handy app will help you to calculate temperature, volume, length, volume, and international currencies. Don’t worry if you don’t have an internet connection; you can even use this app offline. For premium features and ad-free conversion, you must buy a premium converter subscription if you frequently need unit conversion for the business. 

      Benefits of using a Unit converter, convert metric:

      • Free all-in-one unit converter
      • 30 categories with 300-plus units
      • Also works offline

      3. Convert Any Unit Lite

      Convert Any Unit Lite
      Convert Any Unit Lite

      Convert Any Unit Lite is the fastest and best app for units and currency converters. The app is designed with an intelligent search feature that allows one to search through abbreviations and short forms. It has an automatic category selection button, and you can also flip units by switching between from and to. The app has a built-in calculator to perform various mathematical operations and conversions too. You can also bookmark your conversion and store it in your customized folder for future use. The app supports automatic number formatting according to the regions with scientific unit symbols. Moreover, it has over 6400 units in 51 categories to quickly solve any conversion and maths problem.

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        Benefits of using Convert Any Unit Lite:

        • Inbuilt calculator
        • Bookmark the conversion
        • Automatic formatting based on the current region

        4. Unit Converter: Convert Units

        Unit Converter Convert Units
        Unit Converter Convert Units

          This app is the most powerful unit converter that has a decent interface and 16 categories for efficient conversion. You can also create your own custom unit list for the desired category. Benefits of using Unit Converter: Convert Units. Whether you are confused about your shoe size, measure pressure, or length, this app covers you all. You can check live currency exchange rates from over 148 countries. You must have active internet to download the latest currency rates when you open the app. To unlock other unit categories, you might need to buy premium to take benefit of other pro features.

          Benefits of using Unit Converter: Convert Units:

          • Create custom unit lists
          • Live currency updates from over 148 countries
          • Highly customizable

          5. GlobeConvert Currency & Units

          GlobeConvert Currency & Units
          GlobeConvert Currency & Units

            GlobeConvert is the best handy unit conversion app that supports more than 350 physical units with over 160 currencies. The app allows you to create a favorite conversion unit list, which you can use quickly whenever you want. The best thing is it even works when you are offline, and the currency rates are updated every hour to provide accurate data. The app has amazing features, including real-time conversion and geo-based currency, to keep you updated without hassle. If you want to have an ad-free version, you can purchase a premium subscription to unlock more units and themes.

            Benefits of using GlobeConvert Currency & Units:

            • 350 physical units with over 160 currencies
            • Built-in calculator
            • Real-time conversion and geo-based currency

              6. Metric Conversion tool

              Metric Conversion tool
              Metric Conversion tool

              Metric Conversion tool is an all-rounder conversion calculator that can be used for almost every metric conversion, including Temperature, Weight, Length, Area, Volume, Speed, Time, Angle, Pressure, Energy and Power, Health and Well-being, and much more. The app has a user-friendly interface that works fine even if you are offline. It supports 160 currencies, and you can easily perform all types of popular conversions. It also shows live currency exchange rates, including bitcoin and cryptocurrency. You can always go into history and access your desired unit conversions. The app also converts answers into fractions and converts results within 8 digits

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              Benefits of using the Metric Conversion tool:

              • Best metric conversion
              • Clean and simple interface
              • Live currency updates, including Bitcoin and crypto


              With the right unit converter app, it is possible to quickly and accurately convert measurements from one unit to another. The best unit converter apps for iPhone provide users with an intuitive interface, a wide range of units to choose from, and accurate results. These apps are perfect for anyone who needs to convert between different measurements on a daily basis. Whether you’re an expert or just looking for a quick way to keep track of your measurements, these apps will help you get the job done quickly and easily.

              Hope you found the above blog informative in learning about various unit converters. Also, tell us about the ones that seem perfectly suited to your personal needs. Feel free to drop your views in the comment box if you want to add anything regarding unit conversion.

              Jaysukh Patel
              Jaysukh Patel

              Jaysukh Patel is the founder of howtoisolve. Also self Professional Developer, Techno lover mainly for iPhone, iPad, iPod Touch and iOS, Jaysukh is one of responsible person in his family. Contact On: [OR]

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