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
Real-world objects using . Select metric or imperial units. Display measurements with thick lines for clarity. Adjust text size based on distance and phone orientation. Share photos and videos of measurements directly.
Convert lengths between Feet, Inch, Meter, Decimeter, Centimeter, and Millimeter. Enter a value and select units to switch. Save frequently used conversions for quick access.
Measure slopes with high precision using accelerometer and gyroscope. Calibrate for accurate readings. Align objects or measure inclines for construction, landscaping, and other applications. Save and share measurements.
Navigate outdoors with a compass, digital level, and elevation tracking. Access real-time weather data and 3-day forecasts. View location coordinates and use emergency for safety.
The app provides professional-grade sound level measurement for iPad, iPhone, or iPod touch. It includes modes like Slow, Fast, Impulse, Peak, and Leq, along with A and C weighting and 10 octave band filters.
Measure distances and heights using the phone's camera and accelerometer. Point the device at an object to calculate distance or height. Results are displayed in real-time without requiring movement.
Measure ambient levels in real time using a precise algorithm and phone microphone. Save audio or video recordings. nd view detection reports. Track and analyze environment data over time.
Measure ambient noise using the phone's microphone and display real-time decibels. Track noise levels from household appliances like washing machines and refrigerators. Compare outputs to help choose quieter electronics.