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
Ambient noise levels with a simple interface. Display one-minute average decibels in large text. Features clean design and free access. No additional functions or settings provided.
Detect surveillance devices using AR markers to visualize their locations. Scan environments to identify potential cameras. Alert users to suspicious activity and provide guidance on removing or blocking devices.
Measure sound levels with readings. Analyze sound frequency with spectrum visualization. Generate custom tones for testing or experimentation. Save and share measurement data.
Measure objects by taking a photo with a smartphone or tablet. Capture real-time dimensions like height, width, area, and length. Share measurements via Cloud. Sync with laser device for accurate data. Export measurements in various formats.
Measure objects using screen or AR camera for precise dimensions. Switch between inches, centimeters, and millimeters. Capture and save measurements for later reference. Share results via email or messaging.
Record and display GPS-based measurements with a map line. Share results on social media. Obtain current location via GPS. Option to minimize battery use without GPS. Does not run in the background.
Monitor environmental noise levels with a decibel reading and noise classification. Translate conversations in real time using phone microphones. Adjust hearing settings and test hearing thresholds for personalized hearing health management.
Measure and areas by drawing paths or closing loops. Switch between metric and imperial units. Undo drawings as needed. View standard or satellite maps. Export measurements as KML files for use in Google Earth and other mapping apps.
Use the built-in LED for bright lighting and emergency SOS signals. Access a compass with true and magnetic north options. View a map with custom pins. Measure distances with an adjustable ruler in inches and centimeters.
Convert units across 40+ categories with a single click. Switch between metric and imperial systems. Input values and select units for instant . Share results or copy to clipboard.
Measure vibrations using phone sensors to detect seismic activity or body tremors. Display readings on the modified Mercalli intensity scale. Calibrate the to set maximum values between 10-11. Provide reference comparisons for earthquake vibrations.
The app displays technical data about the device's hardware, performance, and environmental sensors. It offers real-time metrics for CPU, RAM, storage, network, and various device sensors.
Track Bluetooth-enabled devices using proximity alerts. Locate devices within range via sound or vibration. Set custom names and groups. Receive notifications when devices come into range. Sync with other devices for collaborative tracking.