Noise Meter
PDF report preview
Measurement report
Everyday decibel estimates for iPhone & iPad
Noise Meter
See the room in live dB(A).
Open the app and see an A-weighted level, a waveform, and a dated record. No account required.
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Live dB(A) & LAeq
Watch the current level, max, min, and average, with a waveform that follows the sound.
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Decibel Camera
Put live decibels on a photo or video when you need a picture of the scene.
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History & map
Keep dated records on the device. Play audio back and compare points on a map.
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Reference limits
Look up publicly available noise-related limits. Phone readings never decide if something is unlawful.
Noise Meter Pro
PDF reports and original WAV
Export a PDF report with the device model and a check mark, plus original WAV audio. Readings stay everyday estimates.
Unlock Pro in the App Phone readings stay everyday estimates — not a certified meter or a legal finding.Support & FAQ
Short answers on accuracy, Pro, accounts, and how to reach us.
Is Noise Meter a certified sound level meter?
No. It estimates A-weighted decibels with the iPhone microphone for everyday reference. It is not a Class 1 or Class 2 instrument and is not a substitute for a legal inspection, a lab report, or medical advice.
What does Noise Meter Pro unlock?
Pro unlocks PDF measurement reports with the device model and a check mark, plus original WAV audio export. Core measurement, history, maps, Decibel Camera, and calibration work without a purchase.
Do I need an account?
No. Records stay on your device. Purchases completed through Apple can be restored with the same Apple ID.
How do I report a bug or ask a question?
Email iorangestudio@163.com with your iOS version, device, and what happened. Screenshots help.