ConvertOne app icon

Apps Like ConvertOne for iPhone and iPad

Convert units instantly and accurately

Convert units instantly with a simple interface. Switch between measurements, save favorite conversions, and view precise results. Supports multiple categories including length, weight, and temperature.

by ETHAN FRANCIS DARSTEIN★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. One Converter: Unit Calculator app icon

    One Converter: Unit Calculator

    Novvio, Inc.

    Convert units, calculate, and save

    Convert units across categories like length, weight, and temperature. Enter a value and select units for conversion. Perform calculations using converted values. Sync results with other devices.

    ★ 2.07 ratingsUtilitiesFreeData updated 2026-09-06
  2. Unit Converter -- All In One app icon

    Unit Converter -- All In One

    Foodmatesss Limited

    Convert units with precision control

    Convert units across categories like Clothing, Area, Weight, and Temperature. Select base and target units. Adjust decimal places for converted values. Perform quick and accurate conversions.

    ★ 4.748 ratingsUtilitiesFreeData updated 2026-09-06
  3. Quick Converter Pro app icon

    Quick Converter Pro

    Exeersoft Inc

    Convert units and currencies instantly

    Convert units across 180+ categories including angles, areas, cooking units, weight, clothing, and shoes. Convert 180+ currencies and digital currencies like Bitcoin and Doge. Enter values and get instant conversion results.

    ★ 4.018 ratingsUtilitiesFreeData updated 2026-09-06
  1. Construction Master 5 Calc app icon

    Construction Master 5 Calc

    Calculated Industries, Inc.

    Try before you buy with free trial

    Calculate measurements in feet, inches, and fractions. Convert between units and perform complex calculations. Store frequently used values and recall previous entries. Adjust for slope and pitch. Export results to email or cloud storage.

    ★ 4.813,173 ratingsUtilitiesFreeData updated 2026-09-08
  2. AB Converter app icon

    AB Converter

    RockCat Studio Limited

    Convert units across 12 categories

    Convert units across 12 categories including length, area, and weight. Switch between millimeters, inches, miles, and other units.

    ★ 2.52 ratingsUtilitiesFreeData updated 2026-09-08
  3. Electric PRO app icon

    Electric PRO

    Nic Kolbe

    Convert units, calculate power, track energy metrics

    Convert electrical units including Ampere, Volt, Watt, Ohm, Siemens, Joule, and Second. Calculate duration of energy, peak voltage, and terminal voltage. Adjust number formats for precise results. Perform complex electrical calculations with ease.

    ★ 4.25 ratingsUtilities$0.99Data updated 2026-09-10
  4. Torque Unit Converter app icon

    Torque Unit Converter

    Kei Suefuji

    Convert values between units

    Convert values between 9 units including newton-meters, kilogram-force meters, pound-feet, and ounce-feet. Enter a value and select the to see conversions in all supported units.

    ★ 4.612 ratingsUtilities$1.99Data updated 2026-09-06
  5. Ring Sizer - Measure Ring Size app icon

    Ring Sizer - Measure Ring Size

    TECHISTIC LTD

    Accurately

    Using finger circumference. Input measurements to calculate in metric or imperial units. Save and view measurement history. Share results via email or messaging.

    ★ 4.566 ratingsUtilitiesFreeData updated 2026-09-06
  6. lbs kg converter app icon

    lbs kg converter

    SDG CODE DOO NIS

    Convert pounds to kilograms instantly

    Convert pounds to kilograms with a simple interface. Enter a value and get the converted result instantly. Supports one-way conversion from pounds to kilograms.

    ★ 4.755 ratingsUtilitiesFreeData updated 2026-09-06
  7. All unit converter calculator app icon

    All unit converter calculator

    Merbin Joe

    Convert units across different categories

    Convert units across multiple categories such as length, weight, temperature, and time. Switch between metric and imperial systems. Perform calculations with built-in formulas. Save frequently used conversions. Share results via copy or email.

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  8. Currency & Unit Converter # app icon

    Currency & Unit Converter #

    An Truong

    Convert units across 400+ measurements

    Convert units across 20 categories with over 400 options, including mixed units like feet and inches. Add widgets for quick access. View conversion history and share results.

    ★ 4.3216 ratingsUtilitiesFreeData updated 2026-09-08
  9. Klok - Time Zone Converter app icon

    Klok - Time Zone Converter

    Buuuk Private Limited

    Convert zones with a swipe

    Widget allows users to add frequently used zones and access them by swiping down from any screen. Tap a to convert current instantly. View converted times across all added zones.

    ★ 4.73,050 ratingsProductivityFreeData updated 2026-09-06
  10. Volume Converter Yd, Ft, In, M app icon

    Volume Converter Yd, Ft, In, M

    Anna Filobok

    Convert units instantly

    Convert units including cubic meters, cubic centimeters, cubic millimeters, cubic yards, cubic feet, and cubic inches. Switch between units quickly. Input values and get instant conversions.

    ★ 0.00 ratingsUtilities$1.99Data updated 2026-09-06
  11. CalcBox -All in One Calculator app icon

    CalcBox -All in One Calculator

    Realbyte Inc.

    Calculate, convert, and organize tasks

    Performs basic arithmetic and scientific calculations. Save equations and results for later. Unit Converter converts units for area, length, temperature, and more. Includes tools for currency exchange, date calculations, and percentage computations.

    ★ 4.8303 ratingsUtilitiesFreeData updated 2026-09-06
  12. Price Match: Unit Converter app icon

    Price Match: Unit Converter

    PongYin Siu

    Convert units quickly and accurately

    Convert units across 6 categories including volume, weight, temperature, area, and more. Switch between metric and imperial systems. Input values manually or scan text for automatic conversion. Share results via copy or email.

    ★ 0.00 ratingsReferenceFreeData updated 2026-09-06
  13. Cookulator - LITE app icon

    Cookulator - LITE

    Petra Dueck

    Convert units with one tap

    Convert measurements between cups, ounces, tablespoons, teaspoons, and milliliters. Switch between UK and US units. Enter a value, tap done, and see converted results in all other units.

    ★ 3.724 ratingsUtilitiesFreeData updated 2026-09-08
  14. Pounds To Kilograms app icon

    Pounds To Kilograms

    Armchair Engineering

    Convert units between and

    Convert units between and . Choose decimal places for precision. Input values and get instant conversions. Save frequently used conversions for quick access.

    ★ 4.9301 ratingsUtilities$1.99Data updated 2026-09-10
  15. Units: Smart Converter Pro app icon

    Units: Smart Converter Pro

    TrothMatrix OPC Private Limited

    Convert and currencies instantly

    Convert instantly with support for 12+ types including real-time currency rates. Switch between quickly. View accurate conversions and exchange rates. Save frequently used conversions for quick access.

    ★ 4.18 ratingsUtilitiesFreeData updated 2026-09-06
  16. myConvert – Currency & Units app icon

    myConvert – Currency & Units

    Lu A Oo

    Convert units with one tap

    Convert units across 77 categories with over 1000 options. Perform multiple conversions on one screen. Add custom units and categories. Use built-in calculator and numeric keyboard. Convert complex measurements like height and weight between systems.

    ★ 4.958 ratingsTravel$2.99Data updated 2026-09-12

How we rank alternatives

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