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 481–500 of 1,000 ranked alternatives.

  1. Smart Tools Pro HD app icon

    Smart Tools Pro HD

    Shajir Kalady

    Complete iOS toolkit for all users.

    The app provides a collection of 30 measurement and utility tools. It includes features like a ruler, protractor, distance measurement using AR, and a flashlight.

    ★ 1.01 ratingsUtilities$0.99Data updated 2026-10-24
  2. FlashMini app icon

    FlashMini

    Xiamen Angyin Information Technology Co., Ltd

    ★ 1.828 ratingsUtilitiesFreeData updated 2026-09-06
  1. MultiPipe Calculator app icon

    MultiPipe Calculator

    algormula Pte. Ltd.

    Calculate pipe weight and total cost

    Calc allows users to estimate pipe weight and total cost. Input dimensions and material properties to calculate weight and cost in real time. Switch between Metric and Imperial units. Add and manage custom material densities and prices.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  2. MIDDELO Facade Measuring Tool app icon

    MIDDELO Facade Measuring Tool

    Lisandro Rodriguez

    Capture building dimensions with one photo

    Capture building dimensions and areas by taking a single photo. Measure walls, roofs, windows, and doors accurately. Export measurements and save project data for future reference.

    ★ 3.817 ratingsUtilitiesFreeData updated 2026-09-11
  3. My GPS Area Calculator app icon

    My GPS Area Calculator

    MYSTIC MOBILE APPS LLC

    Measure spaces with GPS or manual points

    Measure areas using GPS or manual map points for accurate calculations. Switch between and distance modes. Save measurements for later access. Use compass navigation for directional guidance.

    ★ 4.510 ratingsNavigationFreeData updated 2026-09-06
  4. MultiCam+: Front & Back Camera app icon

    MultiCam+: Front & Back Camera

    Kenneth Kao

    Record videos with dual cameras simultaneously

    Record videos using and cameras simultaneously with dual output, picture-in-picture, side-by-side, split screen, or diagonal layouts. Swap cameras during recording and adjust picture-in-picture settings.

    ★ 4.323 ratingsPhoto & Video$1.99Data updated 2026-10-20
  5. Smashspeed: Badminton Tracker app icon

    Smashspeed: Badminton Tracker

    Mayi Tian

    Measure smash speed and angle

    Record and analyze smashes using AI to measure speed and angle. Export frame-by-frame data. Track progress over time. Share results with others. No internet required.

    ★ 4.918 ratingsSportsFreeData updated 2026-09-06
  6. Stitch Graph Paper app icon

    Stitch Graph Paper

    hideko ogawa

    Create patterns

    Create and customize for cross and pixel art. Set grid size up to 1,000 x 1,000. Choose display formats including symbol, fill, and . Use rulers and context menus to copy, move, flip, or clear elements. Duplicate pages and select starting positions.

    ★ 4.721 ratingsProductivity$2.99Data updated 2026-09-06
  7. Convert Simple app icon

    Convert Simple

    BRIAN RIZZO

    Measurements with fractions

    Measurements for cooking and baking using fractions. between imperial and metric units. Automatically round values with notifications. Select and fractions as needed.

    ★ 4.58 ratingsFood & Drink$0.99Data updated 2026-11-02
  8. Cine Meter II app icon

    Cine Meter II

    Adam Wilt

    Measure light, color, and exposure

    Measure light and color for accurate exposure settings. Use a zoomable spotmeter, RGB waveform monitor, and false-color preview. Attach Lenny Hat or Lumu™ Lite for incident readings with lux and foot-candle displays.

    ★ 4.525 ratingsPhoto & Video$24.99Data updated 2026-10-30
  9. Cleaner Speaker Water Wave app icon

    Cleaner Speaker Water Wave

    clement gasner

    Measure sound with your microphone

    Measure sound levels using your device's microphone. View real-time data and graphs. Save measurements for later review. Pause recordings and adjust sensitivity settings.

    ★ 4.418 ratingsUtilitiesFreeData updated 2026-09-06
  10. Structural Engineering Calc. app icon

    Structural Engineering Calc.

    V PUGAZHENTHI

    Calculate parameters and units

    Calculator provides tools for calculations. Users can compute shear capacity, critical ratio, effective length factor, slenderness ratio, and allowable compressive stress for columns. Available in imperial and metric units.

    ★ 4.520 ratingsProductivity$5.99Data updated 2026-09-08
  11. Evaluate app icon

    Evaluate

    Aaron Rennow

    Calculate expressions like a calculator.

    The app allows users to type mathematical expressions similar to those on a graphing calculator. It computes complicated formulas, making complex calculations accessible.

    ★ 3.811 ratingsProductivityFreeData updated 2026-09-17
  12. Electrical Calculator Plus app icon

    Electrical Calculator Plus

    Calc Hub, LLC

    Calculate voltage, current, and power

    Calculate properties using Ohm's Law, current, power, voltage, resistance, and horsepower formulas for DC and AC circuits. Convert units between volts, amps, watts, and ohms. Determine power factor and RMS voltage. Estimate voltage drop in systems.

    ★ 4.625 ratingsUtilitiesFreeData updated 2026-09-06
  13. Luminosys - Light Meter app icon

    Luminosys - Light Meter

    Melissa Zwick

    Measure with your phone camera

    Measure ambient using Lux or Foot Candles units. Utilizes phone camera and paper to determine levels. Ideal for photography, source comparison, and indoor gardening applications.

    ★ 4.58 ratingsUtilitiesFreeData updated 2026-09-06
  14. Concrete Slab Calculator app icon

    Concrete Slab Calculator

    Anna Filobok

    Calculate dimensions and convert units in real

    Converts Width, Length, and Depth between imperial and metric units in real time. Calculates Area, Volume, and Weight based on provided dimensions. Allows custom Density input for accurate Weight calculations.

    ★ 5.04 ratingsUtilities$1.99Data updated 2026-09-06

How we rank alternatives

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