Measure length, sound, angle, and calibrate
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.
Showing 241–260 of 1,000 ranked alternatives.
Apple Inc.
Track decibel levels in real time
Monitor ambient levels in real time using the microphone on Apple Watch Series 4 or later. Display decibel levels on a meter and indicate if the environment is “OK” or “Loud.” Add the as a complication to your watch face for quick access.
海英 王
Measure , track air pressure, customize themes
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.
Tatsuki Sasaki
Measure angles and levels precisely
Measure levels in multiple orientations and slope angles with high precision. Calibrate and hold measurements for stability. Choose appearance settings. Track horizontal, vertical, and flat placements.
FORBIS s. r. o.
Control lights with Apple Watch
Control lights remotely via Apple Watch. Use spirit level, compass, and ruler for measurements. Access flashlight with sound effects. All are free and easy to use.
Apera Instruments, LLC
Test parameters via Bluetooth
Connect to Bluetooth-enabled testers to measure pH, conductivity, TDS, salinity, resistivity, ORP, and temperature. View data in Simple, Dial, Graph, or Table modes. Save and manage measurement records in a cloud-based system.
Aram Meir
Point and measure with AR camera
Use AR technology to measure lengths, heights, and angles by pointing the camera at objects. Capture and save measurements with the photo . Check alignment using the built-in level tool.
亚杰 刘
Set focus with a
Set alarms with customizable themes and sounds. Track time with minimalist design and delicate animations. Use as a charging screen saver. Improve focus with calming visuals and .
Ayana Zari Smith
Detect devices and secure your space
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.
帅 张
Find Bluetooth nearby
Find nearby Bluetooth instantly using scanning technology. Add and manage with custom names and photos. Locate lost gadgets by triggering sounds or displaying on-map positions.
永超 侯
Measure sound, analyze spectrum
Measure sound levels with readings. Analyze sound frequency with spectrum visualization. Generate custom tones for testing or experimentation. Save and share measurement data.
齐 陈
Decibels with one tap
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.
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