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 601–620 of 1,000 ranked alternatives.

  1. Easy Counter - Set your goal! app icon

    Easy Counter - Set your goal!

    Sungho Lee

    Count and track progress

    Count with a full-screen button for access. Track progress toward a goal with clear displays of current count, remaining numbers, and goal achievement. Receive vibrations at set intervals or upon reaching the goal.

    ★ 4.98 ratingsUtilitiesFreeData updated 2026-09-09
  2. Unravel: Steel Calculator app icon

    Unravel: Steel Calculator

    Majestic Steel USA, Inc.

    Verify steel coil and sheet specs.

    The app helps flat-rolled steel buyers verify steel coil and sheet specifications. It calculates coil weight, converts gauges to decimals, and finds sheets in a bundle, supporting imperial and metric units.

    ★ 4.910 ratingsUtilitiesFreeData updated 2026-09-23
  3. Decibel Meter(Sound Meter) Pro app icon

    Decibel Meter(Sound Meter) Pro

    Zipo Apps Ltd.

    Measure sound volume in real time

    Measure sound volume in real time with a meter. Display current sound level with a main indicator and digital dB value. Provide explanations for sound levels. Allow calibration of microphone settings.

    ★ 3.911 ratingsUtilities$2.99Data updated 2026-09-14
  1. Concrete Estimator/Calculator app icon

    Concrete Estimator/Calculator

    Evan Winograd

    Calculate volume for construction projects

    Calculate volume for foundations, slabs, and structural elements. Input dimensions in feet, inches, or metric units. Automatically compute required quantity. Display results in cubic yards or cubic meters. Save and share calculations.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-06
  2. A2Plus app icon

    A2Plus

    antoni michel

    Measure land area, perimeter, and distance

    Measure land area, perimeter, and distance with precise calculations in feet, inches, yards, or feet. Display multiple plots on a map with intermediate distances. Overlay French land registry data for accurate plot measurements.

    ★ 5.01 ratingsUtilities$20.99Data updated 2026-09-08
  3. Physics Toolbox Magnetometer app icon

    Physics Toolbox Magnetometer

    Chrystian Vieyra

    Measure magnetic fields in 3D

    Measure magnetic field strength in microtesla units across x, y, and z axes. Display total magnetic field magnitude. Detect Earth's magnetic field and identify permanent magnets or electromagnetic fields.

    ★ 5.07 ratingsEducationFreeData updated 2026-09-10
  4. Thermal Light app icon

    Thermal Light

    Crystal Clear Solutions

    Measure temperature

    Measure surface temperatures between 1000F and 2700F using iPhone camera. Detect heat signatures from objects like metal, ceramics, and glass. Calibrate against certified infrared thermometers. Share temperature readings and save measurement history.

    ★ 2.65 ratingsUtilities$1.99Data updated 2026-09-08
  5. Altimeter Pro - Elevation app icon

    Altimeter Pro - Elevation

    dataWorks GmbH

    Navigate with altitude and accuracy

    Displays altitude, coordinates, and speed with options for metric or imperial units. Shows accuracy and warns about signal issues. Offers aircraft mode with in feet. Compares current altitude with known values. No ads or data collection.

    ★ 4.79 ratingsNavigation$0.99Data updated 2026-10-28
  6. Piles Capacity app icon

    Piles Capacity

    hetGE LLC

    Estimate bored pile capacity quickly.

    The app offers a modern design for estimating the capacity of cast-in-place bored piles. It includes a unique soil profile builder and supports both metric and imperial units for calculations and reporting.

    ★ 5.01 ratingsProductivity$199.99Data updated 2026-09-20
  7. Axis Assistant app icon

    Axis Assistant

    Jose VARAS

    Find angles, detect tilt, measure sectors.

    The app finds a given angle, detects tilt, and measures sector size in degrees. It is useful for measuring slope steepness, hanging pictures, detecting horizons, and measuring arc angles.

    ★ 3.69 ratingsUtilities$9.99Data updated 2026-10-30
  8. Nostrum E85 Ethanol Module App app icon

    Nostrum E85 Ethanol Module App

    Performance Electronics, Ltd.

    Monitor levels and fuel data

    Monitor vehicle content, fuel temperature, and fuel pressure in real time. View up to 120 seconds of live data. Connect to multiple E85 modules. Switch between metric and imperial units.

    ★ 4.85 ratingsUtilitiesFreeData updated 2026-09-23
  9. Unit Converter - 14-in-1 app icon

    Unit Converter - 14-in-1

    Xi'an 7kit Technology Co., Ltd.

    Convert units with precision and style

    Convert units across 14 categories including length, weight, and temperature. Switch between metric, imperial, and Chinese traditional systems. Customize display formats and save frequently used conversions.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-09-06
  10. Metal Calculator All In One app icon

    Metal Calculator All In One

    BINARY AND BRICKS PRIVATE LIMITED

    Calculate weight in imperial or metric

    Calculate weights using Imperial and Metric systems. Input dimensions and select type for accurate results. Choose from various shapes and materials. Perform quantity and joint calculations. Store and retrieve previous entries.

    ★ 4.24 ratingsProductivityFreeData updated 2026-09-06
  11. HeavyCalc Pro app icon

    HeavyCalc Pro

    Calculated Industries, Inc.

    Construction math for professionals anywhere.

    The app helps construction professionals calculate dimensions, areas, and volumes. It provides solutions for square-ups, cut/fill, and material estimates.

    ★ 3.06 ratingsUtilities$39.99Data updated 2026-09-16

How we rank alternatives

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