Measure lengths with a ruler supporting metric and imperial units. Detect ambient noise levels using a decibel meter. Use a protractor tool to measure angles via the camera. Calibrate screens for accurate color display.
by 飞剑 姚★ 4.576 ratingsUtilitiesFreeData updated 2026-09-11
Measure distances and angles using augmented reality. Customize ruler settings and save measurements. Access tools for drawing, scaling, and converting units. Share measurement data directly.
Track routes, find waypoints, and navigate offline
Navigate outdoors with offline GPS maps and real-time augmented reality. Track waypoints and custom locations. Use a gyrocompass, speedometer, altimeter, and inclinometer. Find celestial bodies and measure angles.
Measure objects using touch as or tape measure. Split objects into equal parts and calculate width/height ratios. Estimate diameter, angles, and divide circular objects. Switch between millimeters and inches for units.
Measure angles using camera view with touch or plumb bob methods. Set angles on screen or through camera. Switch between measurement modes. Access advanced polygon measurement in premium version. Calibrate plumb bob for accurate slope readings.
Detects objects using smartphone's magnetic sensor. Identify nearby metals like iron, nickel, steel, and alloys. Locate lost keys, coins, and wires in walls. Does not detect non-magnetic metals such as silver, gold, or copper.
GPS-based digital displays current speed during driving, flying, cycling, or boating. Shows head-up display mode on car dashboard. Displays maximum speed limit and road name. Includes linear compass for direction.
Scan documents and images for precise digital copies. Measure heights and object dimensions using phone camera. Automatically count items like pipes, logs, and pills. Save and share scanned files directly.
Measure angles with touch or camera modes. Tap the screen to set points and calculate angles. Capture images for instant analysis. Customize measurement tools and save multiple angles simultaneously. Sync measurements across devices.
Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.
Measure distances using augmented reality by pointing the camera at objects. Display measurements between selected points. Use an on-screen to measure objects placed on the phone surface. Set and track measurement targets.
Land and distances using GPS by marking points on a map. Calculate field size, plot dimensions, and property boundaries. Save and share measurement data. Sync with other devices for accurate field surveys.
Analyze frequencies with a real-time display. Adjust and visualize sound levels across different frequency ranges. Export analysis data and compare signals for accuracy. Calibrate equipment for optimal performance.
Measure distances and areas with precise tools. Use the ruler and square area functions. Change units of measurement. Save measurements for later. Access tips and advice. Remove ads with a subscription. Measure height with the professional package.
Measure by matching the inner edge to the 's white circle. Adjust the slider to align the diameter or circumference. View results in metric or imperial units, including US, Canadian, and Australian sizing systems.
GPS tracks current speed, distance, and altitude. Displays average and maximum speed. Shows speed limits in real time. Supports mph, km/h, and knots. Measures travel time and battery level. Works offline.
Measure objects using AR technology. Tap to measure distances, heights, and angles. View real-time measurements on screen. Sync devices for consistent results. Share measurements via email or messaging. Adjust units for metric or imperial.