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 501–520 of 1,000 ranked alternatives.

  1. Avalanche Lab app icon

    Avalanche Lab

    RENAISSANCE RECREATION LLC

    Record slope data and map your path

    Record slope angle and aspect using phone camera. Capture crown profile and measure dimensions. Map slide path with GPS. Share diagrams and maps with colleagues. Post data to network for alerts.

    ★ 4.315 ratingsSportsFreeData updated 2026-09-08
  2. Miter Angle Calculator app icon

    Miter Angle Calculator

    Ronnie Hurst

    Calculate angles for cross braces and table

    Calculate angles for cross braces and table x bracing. Input width, height, and board dimensions. Choose board orientation. Display angles for board ends and intersections. Support imperial and metric units. Provide board length requirements.

    ★ 3.712 ratingsProductivity$2.99Data updated 2026-11-03
  3. GPS Fields Area Measure on Map app icon

    GPS Fields Area Measure on Map

    Chirag Gabani

    Land areas with GPS

    Land using GPS technology. Define boundaries on maps to calculate plot sizes. Calculate distances and areas for properties or regions. Save and share measurement data. Sync with mapping services for accurate results.

    ★ 4.324 ratingsUtilitiesFreeData updated 2026-09-06
  1. Pipe Saddle Layout Calculator app icon

    Pipe Saddle Layout Calculator

    Jean-Paul Lanaux

    Calculate pipe intersection cut lines easily.

    The app calculates layout dimensions for joining two metal cylinders at any angle. It generates full-size pattern templates for printing, supporting various printer sizes and measurement units.

    ★ 3.18 ratingsProductivity$4.99Data updated 2026-11-04
  2. Unit Converter ++ app icon

    Unit Converter ++

    Nirav Patel

    Convert units between length, weight, temperature,

    Convert units of length, weight, temperature, volume, and speed. Switch between miles, kilometers, Celsius, Fahrenheit, gallons, liters, and more. Calculate conversions instantly and save frequently used units.

    ★ 1.610 ratingsUtilitiesFreeData updated 2026-09-09
  3. Pounds and Ounces Calculator app icon

    Pounds and Ounces Calculator

    Evan Winograd

    Convert units with precision

    Convert units of weight including , , kilograms, grams, tons, and stones. Add and calculate values across different units. Switch between metric and imperial systems.

    ★ 5.05 ratingsUtilitiesFreeData updated 2026-09-06
  4. Photo Meter –Picture Measuring app icon

    Photo Meter –Picture Measuring

    Yegor Kurbachev

    Measure anything from a picture.

    The app measures object sizes from pictures. Users can photograph an object next to a reference item, like a credit card, for size calculation.

    ★ 2.210 ratingsUtilitiesFreeData updated 2026-10-06
  5. piXledPro app icon

    piXledPro

    piXap

    LED screen wall calculator for iPhone.

    The app calculates LED screen wall dimensions in metric or imperial units. It supports calculations for pixel dimensions, number of tiles, weight, and amperage for various LED wall products.

    ★ 4.37 ratingsUtilities$5.99Data updated 2026-09-20
  6. Hague Screw Thread Calculator app icon

    Hague Screw Thread Calculator

    Hague fasteners Ltd

    Engineers Thread Companion for all threads.

    The app provides data for Unified & Whitworth Imperial Screw Threads, ISO Metric, and Custom threads. It calculates critical nominal dimensions for standard and custom thread combinations.

    ★ 4.05 ratingsUtilitiesFreeData updated 2026-10-31
  7. ThreadKing app icon

    ThreadKing

    Motionics, LLC

    Calculate thread sizes and dimensions

    Provides drill and tap size charts for fractional, letter, and wire standards. It calculates drill sizes for cutting and forming taps based on thread percentage. It also computes RPM and feed rates for cutting taps in various materials.

    ★ 4.712 ratingsProductivityFreeData updated 2026-09-10
  8. Tile Calculator Pro app icon

    Tile Calculator Pro

    Anna Filobok

    Calculate area with dimensions and gaps

    Calculate area by inputting width and length in feet, inches, or meters. Convert between imperial and metric units in real time. Determine quantity with gap size and waste percentage. Identify floor or wall based on dimensions.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-06
  9. CNVRT: SI Unit Conversion Tool app icon

    CNVRT: SI Unit Conversion Tool

    Pascal Andraos

    Convert units instantly and accurately

    Convert units of measurement with support for weight, length, temperature, speed, area, time, data storage, and angle. Input values and select units for instant . Syncs with Apple Health for seamless tracking.

    ★ 4.517 ratingsUtilities$4.99Data updated 2026-09-06
  10. Plnar Pro app icon

    Plnar Pro

    Smart Picture Technologies Inc.

    Capture photos, measure, model properties

    Capture and analyze property details using smartphone photos. Generate 2D and 3D models from images. Measure dimensions and create project assets. Document appraisals, inspections, and claims without manual tracing. Export and share models directly.

    ★ 5.06 ratingsUtilitiesFreeData updated 2026-09-06
  11. Level gauge app icon

    Level gauge

    Tatsuki Sasaki

    Measure angles and levels precisely

    Measure levels in multiple orientations and slope angles with high precision. Calibrate and hold measurements for stability. Choose appearance settings. Track horizontal, vertical, and flat placements.

    ★ 4.612 ratingsUtilitiesFreeData updated 2026-09-08
  12. Level Tool app icon

    Level Tool

    FAPPS WORLD et Cie SCS

    Calibrate and measure slope angles

    Measure surface slope in two directions with degree and percentage display. Calibrate before use for accurate readings. Hold function locks current measurement.

    ★ 4.114 ratingsProductivity$0.99Data updated 2026-09-08
  13. Uneat Converter app icon

    Uneat Converter

    ZIJIAN CHEN

    Convert units across 18 categories

    Convert units across 18 categories including angle, area, base, digital storage, and electric potential.

    ★ 4.916 ratingsUtilitiesFreeData updated 2026-09-06
  14. CNC Machinist Calculator Ultra app icon

    CNC Machinist Calculator Ultra

    Shane Anderson

    Calculate, plan, and optimize machining operations

    Calculate machining parameters for turning and milling operations. Input dimensions and material properties to determine tool paths and speeds. Generate G-code for CNC machines. Convert units and estimate machining time.

    ★ 4.819 ratingsProductivityFreeData updated 2026-09-06
  15. Cool Guy AI app icon

    Cool Guy AI

    Matthew Jeffrey Miller

    Capture and analyze photos instantly

    Upload photos from the photo album or capture images with the device camera. Analyze the photo to determine the coolness of the person in it. Share results directly from the .

    ★ 5.020 ratingsEntertainmentFreeData updated 2026-09-06

How we rank alternatives

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