The ULTIMATE Unit Converter app icon

Apps Like The ULTIMATE Unit Converter for iPhone and iPad

Convert units across 20 categories

Convert units across 20 categories including length, temperature, volume, and mass. Input a value, select units, and instantly convert. Supports 190+ units for precise measurements. Syncs with devices for consistent use.

by Sherzad Kalaf Mohe★ 4.01 ratingsUtilitiesFreeData updated 2026-09-20

The ULTIMATE Unit Converter screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Unit Converter: Mila's Tools app icon

    Unit Converter: Mila's Tools

    Scott DeSapio

    Convert units across 16 categories

    Convert units across 16 categories with instant results. Switch between metric, imperial, and other systems. Calculate conversions for length, weight, temperature, and more. Store frequently used values for quick access.

    ★ 4.81,395 ratingsUtilitiesFreeData updated 2026-09-08
  2. Convert Any Unit Lite app icon

    Convert Any Unit Lite

    Cider Software LLC

    Convert units with intelligent search.

    The app converts units with an autocomplete search. It automatically saves units to a selected list and includes a built-in calculator.

    ★ 4.748,174 ratingsTravelFreeData updated 2026-09-23
  3. Converter-Universal Conversion app icon

    Converter-Universal Conversion

    Trelleborg Sealing Solutions Germany GmbH

    Convert units, calculate percentages, track timezones, calculate

    Convert units including currencies, length, weight, and temperature. Convert time zones and calculate percentages. Includes a running pace calculator and other utility tools for precise measurements and calculations.

    ★ 4.9974 ratingsUtilitiesFreeData updated 2026-09-08
  1. Unit Converter Engineering Pro app icon

    Unit Converter Engineering Pro

    Kaiguri Tech Limited

    Convert units across , physics, and math

    Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  2. GlobeConvert Currency & Units app icon

    GlobeConvert Currency & Units

    Ievgenii Lebid

    Convert currencies and on the go

    Convert currencies and physical with real-time rates and support for 160+ currencies and 350+ . Save favorite conversions for quick access. Use offline data from the last successful update.

    ★ 4.881,077 ratingsUtilitiesFreeData updated 2026-09-08
  3. Mila's Unit Converter PRO app icon

    Mila's Unit Converter PRO

    Scott DeSapio

    Convert units across 16 categories

    Convert units across 16 categories with instant accuracy. Switch between hundreds of units for length, weight, temperature, and more. Calculate conversions for cooking, engineering, travel, and study.

    ★ 4.81,025 ratingsUtilities$9.99Data updated 2026-09-25
  4. Converter: Units & Currencies app icon

    Converter: Units & Currencies

    DROXIC OOD

    Elegant and simple unit converter app.

    The app offers over 25 categories and 450 units for conversion, including 150 currencies. It supports 24 languages and is designed for iPhone, iPad, and iPod touch.

    ★ 4.8764 ratingsUtilitiesFreeData updated 2026-10-11
  5. Universal Converter. app icon

    Universal Converter.

    V PUGAZHENTHI

    Convert units across 64 categories

    Convert units across 64 categories with 1333 units and 53742 conversions. Switch between acceleration, angle, area, and other measurements. Find color codes and convert cooking measurements.

    ★ 4.312 ratingsUtilities$4.99Data updated 2026-09-08
  6. Unit Measurement Converter 汇率 app icon

    Unit Measurement Converter 汇率

    汇杭 钟

    Convert units and track currency rates

    Convert units across length, area, volume, angle, mass, pressure, and more. Check real-time currency exchange rates. Recalculate instantly with updated values. Save frequently used conversions for quick access.

    ★ 4.6182 ratingsUtilitiesFreeData updated 2026-09-06
  7. Uniter: Smart Unit Conversion app icon

    Uniter: Smart Unit Conversion

    Arkadiusz Holko

    Convert units in text, websites, and camera

    Convert units of measure in text, on websites in Safari, and live in the camera view. Automatically switch between Metric, Imperial, and U.K. systems. Select preferred units for automatic .

    ★ 4.772 ratingsUtilitiesFreeData updated 2026-09-06
  8. iConvert - Unit and Currency app icon

    iConvert - Unit and Currency

    Raphael Odermatt

    Convert units and track rates

    Convert units across 17 categories with 398 options. Switch between currencies using daily updated exchange rates. Access converter on Apple Watch for quick and conversions.

    ★ 4.9350 ratingsUtilities$2.99Data updated 2026-09-08
  9. Unit Converter HD. app icon

    Unit Converter HD.

    良峰 侯

    Convert units across 30 categories

    Convert units across 30 categories with over 700 measurement options. Switch between light and dark mode. Use a backspace key for quick edits. Perform conversions with straightforward interface.

    ★ 4.7644 ratingsUtilitiesFreeData updated 2026-09-08
  10. Conversion Calculator Units app icon

    Conversion Calculator Units

    RV AppStudios LLC

    Convert across 12 categories

    Convert across 12 categories and 140+ . Tap to select , swipe to switch values. Adjust options easily. View results instantly without complex steps.

    ★ 4.74,965 ratingsUtilitiesFreeData updated 2026-09-08
  11. US Unit Converter app icon

    US Unit Converter

    Kei Suefuji

    Convert units between US and metric systems

    Convert units of length, weight, area, liquid volume, and temperature between US and metric systems. Select the category, input the value, and instantly convert to the desired .

    ★ 4.8101 ratingsUtilitiesFreeData updated 2026-09-06
  12. Calculator Pro+ for iPad app icon

    Calculator Pro+ for iPad

    Mosaic S.r.l.

    Calculator with unit and currency converter.

    The app offers basic and scientific calculator modes, a universal converter for numerous units, and multitasking capabilities. Users can view calculation history, edit input, and customize the appearance with various skins.

    ★ 4.461,549 ratingsUtilitiesFreeData updated 2026-10-23
  13. Calculator₊ app icon

    Calculator₊

    Impala Studios B.V.

    Calculate, edit, and track equations

    Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.

    ★ 4.71,729,318 ratingsUtilitiesFreeData updated 2026-09-08
  14. Conversion Calculator Plus app icon

    Conversion Calculator Plus

    Yan Liong Tan

    Convert units and currencies instantly

    Convert units across multiple categories including currency, length, area, weight, and more. Switch between simple and carousel layouts. Automatically update currency exchange rates daily. Search for units from the home screen.

    ★ 4.715,182 ratingsProductivityFreeData updated 2026-09-11
  15. Unit Converter 2021 app icon

    Unit Converter 2021

    巧春 魏

    Convert units with clear categories

    Convert units between different systems with accurate results. Select units from a comprehensive list, input values, and receive instant conversions. Support multiple categories including length, weight, temperature, and more.

    ★ 4.7408 ratingsUtilitiesFreeData updated 2026-09-26

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.