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 381–400 of 1,000 ranked alternatives.

  1. Altimeter Pro - Altitude & Map app icon

    Altimeter Pro - Altitude & Map

    海英 王

    Measure , track air pressure, customize themes

    Measure in real time using GPS and sensor data with less than 3-meter error. Track air pressure and oxygen concentration. Customize themes for personalized backgrounds.

    ★ 4.418 ratingsUtilitiesFreeData updated 2026-09-06
  1. LightSpectrum Pro app icon

    LightSpectrum Pro

    Antonio Mauriello

    Measure light color temperature and intensity

    Measure color temperature in Kelvin with ±2-8% accuracy. View color spectrum from 360nm to 800nm. Display RGB values and luminance. Save and export measurement data. Compare light sources side by side.

    ★ 4.139 ratingsUtilities$1.99Data updated 2026-11-12
  2. Luxilux Light Meter app icon

    Luxilux Light Meter

    Christian Lobach

    Measure , set exposure, shoot photos

    For photographers without a built-in . Take readings from camera preview. Adjust measurement area by zooming. Switch between multiple rear cameras. Tap points of interest for precise exposure settings.

    ★ 4.975 ratingsPhoto & Video$5.99Data updated 2026-09-20
  3. µMagnetometer app icon

    µMagnetometer

    Dmytro Hrebeniuk

    Measure magnetic field strength and location

    Measure magnetic field strength with real-time readings. Display data in microtesla units. Enable location services for accurate iOS measurements. Save and share measurement results.

    ★ 4.467 ratingsUtilities$1.99Data updated 2026-09-20
  4. Roofing Calculator Pro app icon

    Roofing Calculator Pro

    Anna Filobok

    Calculate roof pitch and rafter length

    Convert between imperial and metric units in real time. Calculate roof pitch, rafter length, and roof area using rise, run, or house area. Input measurements in meters, centimeters, or inches.

    ★ 4.034 ratingsUtilitiesFreeData updated 2026-09-06
  5. Easy Distance Measure AR app icon

    Easy Distance Measure AR

    BMAC Infotech

    Distances with your phone camera

    Distances using phone camera without a physical ruler. Tap screen to set points and view real-time measurements. Track multiple points and get instant readings between objects.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-16
  6. Cuckoo Clock Calibration app icon

    Cuckoo Clock Calibration

    Nir Hamzani

    Measure beats and adjust accuracy

    Calibrate and Pendulum clocks by measuring and adjusting their beat period. Sync with a known accurate time source to correct drift. Monitor daily time gain or loss with precision up to 0.001 milliseconds.

    ★ 4.936 ratingsUtilities$0.99Data updated 2026-11-12
  7. 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 2026-09-25
  8. Rising damp - I.P.E® Pro+ app icon

    Rising damp - I.P.E® Pro+

    HUMITAT-STOP S.L.

    Measure resistance between screws

    Measure resistance between fixing screws of I.P.E® Pro+ to assess . Connect via Bluetooth, view real-time readings, and save data for analysis. Export results and share with professionals.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  9. SR Measure app icon

    SR Measure

    EveryPoint

    Stockpiles with your iPhone

    Stockpiles using iPhone camera with real-time algorithms for accurate volume calculations. Walk around piles, bunkers, or bins to capture images.

    ★ 4.033 ratingsBusinessFreeData updated 2026-09-06
  10. SmarterNoise Pro app icon

    SmarterNoise Pro

    Johan Rogard

    Record sound levels and export data

    Measure sound levels with A-, C-, or no weighting. Display frequency spectrum. Export measurement data. Use full screen audio mode. Perform accurate and fast recordings.

    ★ 4.332 ratingsUtilitiesFreeData updated 2026-09-18

How we rank alternatives

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