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
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.
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.
Distances between points or calculate area of locations. Draw paths on maps or tap to add points. Record movement automatically while walking, running, or cycling. Save measurements for later review.
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.
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.
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.
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.
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.
The app measures angles and aligns objects using the camera. It offers a distance/height estimation tool and a traceable level for various measurements.
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.
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.