定規(Ruler) app icon

Apps Like 定規(Ruler) for iPhone and iPad

Measure accurately in mm and inch

Measure device dimensions with a ruler tool that displays millimeters and inches. Tap to mark start and end points. Switch between metric and imperial units. Share measurement results directly.

by Mayumi Kato★ 5.02 ratingsUtilitiesFreeData updated 2026-09-11

定規(Ruler) screenshots

Ranked alternatives

Showing 421–440 of 1,000 ranked alternatives.

  1. Area Converter app icon

    Area Converter

    Anna Filobok

    Convert areas between square meters, kilometers, feet,

    Convert measurements between square meters, square kilometers, square feet, square yards, acres, and hectares. Switch units instantly and view conversion results directly.

    ★ 4.918 ratingsUtilitiesFreeData updated 2026-10-08
  2. Engine RPM app icon

    Engine RPM

    Real-Time Specialties, inc.

    Analyze sound to calculate RPM

    Measure by analyzing sound input. Select cylinder count and type. Calculate RPM using signal processing. Display real-time RPM values. Save and share measurement data.

    ★ 4.035 ratingsUtilities$8.99Data updated 2026-10-13
  1. Measure & Sell Clothes-Klothes app icon

    Measure & Sell Clothes-Klothes

    Kyle Au

    List your items and generate listings

    Create professional resale listings for second-hand . Add measurements, colors, sizes, and item details with one-tap suggestions. Save time by automating repetitive tasks.

    ★ 4.723 ratingsShoppingFreeData updated 2026-09-26
  2. MeasureWarm app icon

    MeasureWarm

    Mika Hatakeyama

    Measure Warm provides approximate measurements.

    The app functions as a ruler when one is unavailable, allowing for approximate measurements. It supports various devices and offers conversion between metric and imperial units.

    ★ 1.02 ratingsUtilitiesFreeData updated 2026-09-22
  3. Unit Converter Currency app icon

    Unit Converter Currency

    Nikolay Khotenko

    Convert units instantly and save favorites

    Convert units by typing the desired directly. Support fractions, decimals, and custom precision. Perform basic math operations. Save favorite conversions. Convert between metric and imperial units, including fractional inches and feet-inches formats.

    ★ 4.612 ratingsUtilitiesFreeData updated 2026-09-06
  4. European IQ Test: Brain Score app icon

    European IQ Test: Brain Score

    惠娟 高

    Measure mental abilities with IQ tests

    Measure cognitive abilities with an IQ to assess mental skills relative to peers. Track results and compare scores against established standards. Provide insights on academic and financial potential based on outcomes.

    ★ 4.546 ratingsUtilitiesFreeData updated 2026-09-08
  5. Image Compressor - MB to kB app icon

    Image Compressor - MB to kB

    Aculix Technologies LLP

    Compress images and save space

    Compress multiple JPG and PNG images at once. Adjust size to specific dimensions. Convert images from MB to kB. Reduce file size by up to 90% with minimal quality loss. Save compressed images to device or share directly.

    ★ 4.343 ratingsPhoto & VideoFreeData updated 2026-09-06
  6. Japan-US Unit Conversion app icon

    Japan-US Unit Conversion

    Koya Nambo

    Convert units with precision and ease

    Convert units across categories including length, weight, speed, and volume. Switch between metric and imperial units. Perform calculations for conversions and save frequently used values. Share results via copy or email.

    ★ 4.814 ratingsUtilitiesFreeData updated 2026-09-06
  7. O-Ring app icon

    O-Ring

    Trelleborg Sealing Solutions Germany GmbH

    Calculate O-Ring dimensions and sizes.

    The app calculates O-Ring dimensions and recommends sizes based on ISO 3601 standards. Users can check chemical compatibility and switch between metric and inch measurements.

    ★ 3.85 ratingsProductivityFreeData updated 2026-09-24
  8. RENDR: Floor plans in seconds app icon

    RENDR: Floor plans in seconds

    HomeQuote LLC

    Scan spaces, measure accurately, close sales faster

    Create digital by scanning spaces. Invite homeowners to scan their own areas. Measure rooms accurately without manual tools. Share instantly for estimates and design reviews.

    ★ 4.543 ratingsProductivityFreeData updated 2026-09-06
  9. 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
  10. GPS Field Area Measurement App app icon

    GPS Field Area Measurement App

    Harshaben Hirpara

    Measure areas, track distances, calculate sizes

    Measure distances between objects and calculate areas using GPS. Select units in Imperial or Metric systems. Determine property lines and export measurements in square feet, acres, or kilometers.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-06
  11. Test-Drive Lite: Speedometer app icon

    Test-Drive Lite: Speedometer

    DMITRY MIKHAYLEV

    Measure speed and track acceleration performance

    Measure vehicle acceleration from 0-100 km/h and 100-200 km/h. Track quarter-mile times over 402 meters. Use built-in GPS and accelerometer for accurate data. Save and view speed and time logs. Share results via social media.

    ★ 4.242 ratingsSportsFreeData updated 2026-09-14
  12. Tire Sizes app icon

    Tire Sizes

    Zaven Hovhannisyan

    Compare and wheel dimensions

    Find dimensions and get recommendations for new . Compare wheels by offset and width. View visual comparisons and measure deviations. Identify factory size for your vehicle.

    ★ 4.840 ratingsUtilitiesFreeData updated 2026-09-06
  13. DF Lens app icon

    DF Lens

    DigsFact Inc

    Create, measure, view, inspect 3D spaces

    Create and view 3D tours of spaces like homes, hotels, and landmarks. Measure dimensions, inspect details, and add annotations. Share tours via website, social media, and messaging apps for $0.99.

    ★ 4.713 ratingsProductivityFreeData updated 2026-09-20
  14. NexPTG app icon

    NexPTG

    NEXDIAG SP Z O O

    Measure paint thickness on automotive sheet metal

    Measure paint thickness with automatic device connection and real-time value display. Detect substrate type and interpret measurement results. Save and share measurement data directly from the smartwatch.

    ★ 4.714 ratingsUtilitiesFreeData updated 2026-09-13
  15. Seismometer app icon

    Seismometer

    FFFF00 Agents AB

    Measure vibrations, shakes, and movements.

    The app measures vibrations, shakes, and movements using the iPhone's accelerometer. It calculates energy and displays results on a logarithmic scale, offering signal filters, configurable settings, recordings, and CSV exporting.

    ★ 3.317 ratingsUtilities$1.99Data updated 2026-09-10

How we rank alternatives

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