OmniTool: Sensor Toolkit

Contains ads
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Everyone
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Content rating
Everyone
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About this app

OmniTool brings a practical set of device-based tools into one focused app.

Use the microphone for estimated ambient sound-level readings, check surface tilt with the bubble level, view magnetic-field changes, follow magnetic heading, estimate on-screen lengths after calibration, measure angles, monitor device vibration, and generate reference tones.

Features:

• Estimated ambient sound-level meter with minimum, average and maximum readings
• Two-axis bubble level with zero and hold controls
• Magnetic-field change detector using the device magnetometer
• Magnetic compass heading
• Calibrated on-screen ruler and angle protractor
• Three-axis device-vibration monitor
• 20 Hz to 20 kHz reference-tone generator
• On-device measurement history
• Optional rewarded ad for 24 hours of ad-free use

Measurement results depend on the sensors and calibration of each device. OmniTool is not a certified sound meter, surveying instrument, medical device or safety instrument.
Sound, level, magnetic-field, compass, ruler and tone tools in one app.
Updated on
Aug 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit

What’s new

Initial release of OmniTool with sound level, bubble level, magnetic field, compass, ruler, protractor, vibration and reference tone tools.