Ruler® app icon

Apps Like Ruler® for iPhone and iPad

Measure with ruler, tape, and camera

Measure objects with a camera ruler mode that uses your phone's camera for distance calculations. Switch between inches and centimeters. Adjust measurements with precision sliders. Access a classic ruler and tape measure for manual measurements.

by Tue Nguyen Minh★ 4.335,090 ratingsUtilitiesFreeData updated 2026-09-08

Ruler® screenshots

Ranked alternatives

Showing 341–360 of 1,000 ranked alternatives.

  1. Metal Detector & Stud Finder app icon

    Metal Detector & Stud Finder

    Webrain OU

    Detect metals with device sensors

    Uses device sensors to locate hidden metallic objects. Bubble level offers three viewing modes for precise leveling. AR ruler measures distances by pointing the camera at objects.

    ★ 4.253 ratingsUtilitiesFreeData updated 2026-09-06
  2. Calipers Tape Measure app icon

    Calipers Tape Measure

    Jacob Parker

    Objects with your iPhone

    Distances with a 5-meter by aligning the phone on a surface and sliding it for accurate readings. Use mode to small objects by placing the phone between them and viewing the result. Save and share measurement data directly.

    ★ 4.224 ratingsUtilities$1.99Data updated 2026-09-06
  3. Angulus Pro - Precision Angle app icon

    Angulus Pro - Precision Angle

    Yonaga LLC

    Measure angles with clinical

    Measure angles with using a digital protractor. Capture and analyze images for calculations. Export results and share measurements directly. Sync data across devices for consistent tracking.

    ★ 4.914 ratingsUtilitiesFreeData updated 2026-09-06
  1. AppBox: Useful 16 Apps in One app icon

    AppBox: Useful 16 Apps in One

    AllAboutApps

    Track battery, manage dates, convert currency

    Battery monitor tracks device charge level and health. Currency converter switches between 195 currencies and 3 precious metals with manual or automatic rate updates. Date calculator determines days between two dates.

    ★ 2.982 ratingsUtilitiesFreeData updated 2026-09-08
  2. SeamStack app icon

    SeamStack

    Lowland Kids LLC

    Store measurements, track progress, organize projects

    Organize sewing projects with titles, notes, status, and photos. Track current and past creations. Store and manage measurements with customizable units. Create and pin user profiles. Access built-in size charts for reference.

    ★ 5.032 ratingsLifestyleFreeData updated 2026-09-06
  3. CrowdMag app icon

    CrowdMag

    University of Colorado Boulder

    Measure Earth's magnetic field data.

    The app allows users to measure the local magnetic field using a smartphone. Users can contribute data to scientific research, view measurements on graphs or maps, and utilize a magnetic calculator.

    ★ 4.324 ratingsUtilitiesFreeData updated 2026-11-09
  4. Flying Ruler: 3D Tape Measure app icon

    Flying Ruler: 3D Tape Measure

    ALEXEY BRILEV

    Distance by moving your device

    Distances and angles by moving your device. Use accelerometer data to calculate length, width, and height. Determine angles with a protractor tool. Switch between ruler, , rangefinder, and 3D angle finder modes.

    ★ 4.1186 ratingsUtilities$1.99Data updated 2026-09-08
  5. Ring Sizer – Size Measurement app icon

    Ring Sizer – Size Measurement

    ITincubator UAB

    Measure accurately and save your results

    Measure using a paperclip or ruler with step-by-step instructions. Select regional standards for US, UK, EU, and other regions. Save and share results.

    ★ 4.934 ratingsUtilitiesFreeData updated 2026-09-06
  6. Ring Sizer - Measure Ring Size app icon

    Ring Sizer - Measure Ring Size

    TECHISTIC LTD

    Accurately

    Using finger circumference. Input measurements to calculate in metric or imperial units. Save and view measurement history. Share results via email or messaging.

    ★ 4.566 ratingsUtilitiesFreeData updated 2026-09-06
  7. Bubble Level - Spirit Tool app icon

    Bubble Level - Spirit Tool

    Andy Sutanto

    Surfaces with precision and accuracy

    Allows users to check horizontal and vertical alignment. Features include circle mode for simultaneous angle measurement, vertical mode for ensuring surfaces are straight, horizontal mode for flat surfaces, and mix mode combining all functions.

    ★ 4.857 ratingsProductivityFreeData updated 2026-09-06
  8. measARe app icon

    measARe

    PLUTOMEN TECHNOLOGIES PRIVATE LIMITED

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-15
  9. CraftCalc app icon

    CraftCalc

    Yong Tze Chi

    Calculate fractions and mixed numbers

    Calculate fractions and mixed numbers without converting to decimals. Perform addition, subtraction, multiplication, and division. Convert between fractions and decimals. Input measurements for precise calculations.

    ★ 5.02 ratingsProductivity$3.99Data updated 2026-09-06
  10. 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
  11. Vibration meter - Seismometer app icon

    Vibration meter - Seismometer

    MYSTIC MOBILE APPS LLC

    Detect vibrations and measure strength

    Measure vibrations and tremors using the phone's built-in seismograph. Track seismic waves and detect earthquakes or volcanic activity. Record and analyze data from body movements or objects.

    ★ 4.414 ratingsUtilitiesFreeData updated 2026-09-14

How we rank alternatives

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