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 561–580 of 1,000 ranked alternatives.

  1. Inch Centimeter app icon

    Inch Centimeter

    LionsApp di Nallbati Elton

    Convert units with instant results

    Convert units between inches and centimeters instantly. Enter numbers to get immediate conversions. Save calculations for future reference. Share results directly. Perform quick and accurate measurements without additional steps.

    ★ 1.01 ratingsUtilities$0.99Data updated 2026-09-08
  2. GPS Area Calculator App app icon

    GPS Area Calculator App

    Akhil Dholariya

    Measure areas and calculate routes

    Measure areas and distances on maps by placing points and calculating the total or route length. Save and share specific locations as points of interest. Calculate GPS areas with high accuracy.

    ★ 4.911 ratingsProductivityFreeData updated 2026-09-06
  3. Bridge Engineering Calculator app icon

    Bridge Engineering Calculator

    V PUGAZHENTHI

    Calculate parameters instantly

    Calculate , suspension cable, and civil parameters with 58 specialized tools. Input values and units to get automatic results. Switch between metric and imperial units.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-16
  1. SoundMeter+ app icon

    SoundMeter+

    AURALWARE LLC

    Measure sound levels and monitor noise alerts

    Measure sound levels with a precision noise meter, including OSHA/NIOSH compliant dosimetry and impulsive noise detection. Display live spectrum and capture measurement snapshots. Email results and access hearing protection guidance.

    ★ 4.114 ratingsUtilities$1.99Data updated 2026-09-08
  2. Digital BMI Calculator app icon

    Digital BMI Calculator

    LA5 DIGITAL LTD

    Calculate BMI with metric or imperial units

    Calculate BMI using metric or imperial units. Input height and weight to receive a score and classification. View BMI history and track changes over time. No ads or paid features.

    ★ 0.00 ratingsHealth & FitnessFreeData updated 2026-09-06
  3. Price Match: Unit Converter app icon

    Price Match: Unit Converter

    PongYin Siu

    Convert units quickly and accurately

    Convert units across 6 categories including volume, weight, temperature, area, and more. Switch between metric and imperial systems. Input values manually or scan text for automatic conversion. Share results via copy or email.

    ★ 0.00 ratingsReferenceFreeData updated 2026-09-06
  4. Landscape Garden Calculator app icon

    Landscape Garden Calculator

    Vladislav Zhirnov

    Measure, calculate, and estimate projects

    Calculate material quantities for landscaping projects by entering dimensions and selecting materials. Generate take-offs for gravel, soil, mulch, and concrete in cubic yards or meters. Export estimates and track project costs.

    ★ 3.912 ratingsUtilitiesFreeData updated 2026-09-06
  5. Best Tools in Phone app icon

    Best Tools in Phone

    FORBIS s. r. o.

    Control lights with Apple Watch

    Control lights remotely via Apple Watch. Use spirit level, compass, and ruler for measurements. Access flashlight with sound effects. All are free and easy to use.

    ★ 3.02 ratingsUtilitiesFreeData updated 2026-09-11
  6. HVAC Duct Sizer app icon

    HVAC Duct Sizer

    Carmel Software Corporation

    HVAC duct sizing analysis application tool

    The app sizes HVAC duct runs or a range of duct sizes using the constant friction method. Users can input airflow, dimensions, or a range of sizes to calculate results in English or Metric units.

    ★ 3.19 ratingsUtilities$5.99Data updated 2026-09-11
  7. uHandy app icon

    uHandy

    Aidmics Biotechnology Co., Ltd

    ★ 3.613 ratingsEducationFreeData updated 2026-09-11
  8. SATFINDER BT DVB-S2 app icon

    SATFINDER BT DVB-S2

    ALPSAT ELEKTRONIK SANAYI VE TICARET LTD STI

    Measure and analyze satellite signals

    Measure and analyze satellite signals using real-time spectrum analysis. Detect LNB skew and satellite position with GPS data. Communicate via Bluetooth with a patented device for signal measurement without additional equipment.

    ★ 4.76 ratingsProductivityFreeData updated 2026-09-10
  9. Lux Meter : Light Meter app icon

    Lux Meter : Light Meter

    CODIGITAL SOLUTIONS - FZCO

    Measure , adjust exposure

    Measure ambient instantly with live EV feedback. Adjust aperture, shutter speed, and ISO for accurate exposure. Save and compare readings over time. Sync measurements with other devices for consistent results.

    ★ 5.09 ratingsUtilitiesFreeData updated 2026-09-06
  10. Roof Tool app icon

    Roof Tool

    Blue Dog Training PTY LTD

    Calculate pitch and member lengths

    Calculate pitch and geometrical lengths for Hip and Valley, Splayed End Hip, Hexagonal, and Octagonal roofs. Zoom in on designs. Email calculations and diagrams. Switch between imperial and metric units.

    ★ 2.33 ratingsUtilitiesFreeData updated 2026-09-08
  11. PixelStick app icon

    PixelStick

    Plum Amazing Software LLC

    Measure distances, angles, and colors on screen

    Measure distances, angles, and colors on any screen. Capture and analyze screen elements for design, development, or navigation tasks. Save and share measurement data directly.

    ★ 0.00 ratingsGraphics & Design$6.99Data updated 2026-09-08
  12. Proportional Scale app icon

    Proportional Scale

    Courtney Parsons

    Calculate image dimensions without distortion.

    The app calculates new image dimensions while maintaining aspect ratio to prevent distortion. It offers fraction and percent modes, and an image scale tool for precise pixel sizing with a preview.

    ★ 4.514 ratingsUtilities$1.99Data updated 2026-09-11

How we rank alternatives

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