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. 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
  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
  1. 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
  2. Scale for grams: Measure AI app icon

    Scale for grams: Measure AI

    Challa Somesh

    Objects, identify items, explore surroundings

    Objects using camera-based dimensions. Identify items through image recognition. Explore surroundings with augmented reality features. Save and share measurement data.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  3. 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
  4. SeeLevel - visual clinometer app icon

    SeeLevel - visual clinometer

    Sten Kaiser

    Measure angles and align objects.

    The app measures angles and aligns objects using the camera. It offers a distance/height estimation tool and a traceable level for various measurements.

    ★ 3.818 ratingsUtilities$0.99Data updated 2026-09-12
  5. 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
  6. 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.

    ★ 3.511 ratingsProductivity$2.99Data updated 2026-09-15
  7. 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
  8. 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
  9. 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
  10. 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
  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. 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
  13. CamMeasure Lite Measure height width distance area app icon

    CamMeasure Lite Measure height width distance area

    Raphael Lang, Patrick M�ller

    , , , and

    , , , and using the camera. Choose from six measurement methods. Display results in real-time within the camera view. Save measurements as images. Share results directly.

    ★ 2.36 ratingsProductivityFreeData updated 2026-09-09

How we rank alternatives

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