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
Detect electromagnetic fields using phone compass. Measure magnetic and electric fluctuations. Identify sources of interference. Calibrate for accurate readings. Display real-time field strength. Save and share measurement data.
Measure with precise tools to ensure accurate grading. Compare alignment to PSA, BGS, CGC, SGC, TAG, and ACE standards. Adjust and save positions for consistent evaluation. Export measurements and track grading progress.
Measure magnetic field strength in microtesla units across x, y, and z axes. Display total magnetic field magnitude. Detect Earth's magnetic field and identify permanent magnets or electromagnetic fields.
Measure ambient instantly with live EV feedback. Adjust aperture, shutter speed, and ISO for accurate exposure. Save and compare readings over time. Sync measurements with other devices for consistent results.
Locate lost Bluetooth devices using radar. Play a sound on connected gadgets. View locations on a map. Track multiple devices simultaneously. Receive notifications when devices are found.
Test performance with frequency analysis and decibel measurement. Clean speakers by removing trapped water. Generate pure tones for testing or tuning. Calibrate audio equipment for accurate sound output.