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 461–480 of 1,000 ranked alternatives.

  1. Speedster - Sprintcheck app icon

    Speedster - Sprintcheck

    NICOARA SIMIONESCU

    Measure internet speed and ping

    Measure internet speed and ping to servers. Check IP geolocation and assess connection latency. Scan for email data leaks to improve security. Export test results and view detailed network performance metrics.

    ★ 4.218 ratingsProductivityFreeData updated 2026-09-06
  2. Roof Pitch Gauge: Pitch Factor app icon

    Roof Pitch Gauge: Pitch Factor

    Omari Sopromadze

    Measure with camera overlay

    Measure using camera overlay and CoreMotion for accurate degree and rise/run calculations. Organize measurements by job or client. Capture and annotate photos. Generate client-ready PDF reports.

    ★ 4.528 ratingsUtilitiesFreeData updated 2026-09-06
  3. Drywall Room Estimator app icon

    Drywall Room Estimator

    H3Apps LLC

    Estimate materials and send results

    Estimates materials for installation including sheets, mud, tape, and screws. Calculates using imperial or metric units. Sends results via text or email.

    ★ 4.28 ratingsUtilities$0.99Data updated 2026-09-06
  1. Simple Circuit Builder app icon

    Simple Circuit Builder

    David White

    Measure voltages and calculate resistance

    Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.

    ★ 4.028 ratingsUtilitiesFreeData updated 2026-09-13
  2. GPS Coordinates Locator Map app icon

    GPS Coordinates Locator Map

    ANKAGIS YAZILIM ANONIM SIRKETI

    Get instantly and accurately

    Get accurate GPS and latitude longitude instantly. Display in multiple formats including DMS, UTM, and MGRS. Convert between coordinate systems. Share precise location data directly.

    ★ 4.728 ratingsNavigationFreeData updated 2026-09-06
  3. 3Dazer app icon

    3Dazer

    Laurel At Sunset, Inc.

    Measure with 3D laser precision

    Create and manage projects with task lists, notes, and file storage. Measure distances using connected laser devices. Export and share measurement data. Organize and track project details for collaboration and reporting.

    ★ 4.315 ratingsUtilitiesFreeData updated 2026-09-11
  4. RoofCalc - Roofing Calculator app icon

    RoofCalc - Roofing Calculator

    Infoguide Pty Ltd

    Calculate roof dimensions quickly

    Calculate roof dimensions including lengths, angles, heights, and layouts for hipped, gabled, and single-pitch roofs. Determine birdsmouth measurements and pitch. Switch between metric and imperial units. Set default values for common inputs.

    ★ 4.09 ratingsUtilitiesFreeData updated 2026-09-10
  5. Easy Unit:convert units app icon

    Easy Unit:convert units

    APPS BAY LIMITED

    Convert instantly and accurately

    Convert between currencies, weights, and measurements. Calculate feet and inches. Convert hours to minutes or seconds. Perform quick conversions for various .

    ★ 4.818 ratingsProductivityFreeData updated 2026-09-06
  6. Calculator.... app icon

    Calculator....

    Tamer Elsharqawy

    Calculate numbers quickly and accurately

    Perform basic arithmetic operations, calculate percentages, and convert units. Access scientific functions, memory storage, and equation solving. Share results via copy or screenshot.

    ★ 4.319 ratingsUtilitiesFreeData updated 2026-09-10
  7. Deck Help app icon

    Deck Help

    Armchair Engineering

    Calculate dimensions and material needs

    Calculate decking material needs by inputting dimensions. Determine bearer and joist lengths. Adjust measurements in mm, cm, inches, or feet. Choose decimal precision for accurate results.

    ★ 3.823 ratingsUtilities$2.99Data updated 2026-09-19
  8. Measure Tape HD Lite app icon

    Measure Tape HD Lite

    JI YAO WENG

    Measure height width distance easily.

    The app measures height, width, or distance using the device's camera. Users find an object on screen and read the calculated measurement.

    ★ 3.79 ratingsUtilitiesFreeData updated 2026-10-13
  9. Digital Speedometer Free app icon

    Digital Speedometer Free

    Chad Hine

    Monitor speed and direction in real time

    Monitor speed and direction with a in metric or imperial units. Display major road and highway speed limits. Highlight current speed in yellow for slight excess and red for significant excess. Supports landscape and portrait orientations.

    ★ 2.028 ratingsUtilitiesFreeData updated 2026-09-08
  10. Scales HD app icon

    Scales HD

    MARCELO MEJIA COBO

    Architectural engineering and metric scales.

    The app provides architectural, engineering, and metric scales. It includes tools like a tape, spirit level, and boards.

    ★ 4.04 ratingsUtilities$2.99Data updated 2026-09-17
  11. KYDZ app icon

    KYDZ

    Wuxi Kaiyang Electronic Technology Co., Ltd.

    Connect devices, generate keys, cut profiles

    Connects to Alien key machines and generators via Bluetooth for car remote control generation and smart card creation. Perform key profiling cutting and vehicle frame number queries. Includes mechanical key ruler functionality.

    ★ 4.17 ratingsUtilitiesFreeData updated 2026-10-13
  12. Square Footage Calculator app icon

    Square Footage Calculator

    Anna Filobok

    Calculate area, convert units instantly

    Calculate area using width and length in inches, feet, yards, meters, or centimeters. Convert results to inches, feet, meters, or centimeters instantly.

    ★ 4.817 ratingsUtilities$1.99Data updated 2026-09-06
  13. SkyPro GPS Status Tool app icon

    SkyPro GPS Status Tool

    NAMSUNG AMERICA, INC.

    View GPS receiver status and data.

    The app displays GPS receiver information, including satellite status, current location, and battery level. It allows users to manage route recording and download stored routes from the receiver.

    ★ 2.229 ratingsUtilitiesFreeData updated 2026-10-22

How we rank alternatives

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