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Forces a temporary trial then paid subscription for premium services; does not allow an opt-out.
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About
Transform your device into a professional sound level meter to measure ambient noise in real-time. Analyze sound frequencies, monitor noise exposure, and export detailed reports to understand your acoustic environment.
✓Real-time decibel measurement
✓A, C, and Z frequency weighting
✓FAST, SLOW, and IMPULSE response modes
✓Spectrum Analyzer with FFT and spectrogram
✓Noise Dosimeter for daily exposure estimates
✓Long-term tracking and history logs
✓Exportable PDF reports
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What's New in Decibel Meter
1.5
September 11, 2026
Performance improvements and bug fixes for a smoother sound measurement experience.
Subscription plans
Annual Premium
Annual Premium
$49.991 Year
7 Days trialUser reviews
Developer apps
FAQ
What is Decibel Meter used for?
Decibel Meter turns your iPhone into a sound level meter to measure ambient noise, monitor workplace safety, improve room acoustics, and tune audio systems. It provides real-time dB readings and detailed audio analysis.
How accurate is Decibel Meter?
Decibel Meter is pre-calibrated for iPhone and iPad and includes microphone calibration tools for improved precision. For professional use, custom calibration with a reference device is recommended, as accuracy can vary based on device hardware.
Does Decibel Meter have ads?
No, Decibel Meter does not contain advertisements. The app is free to download with core features, and a premium subscription unlocks advanced functionalities.
What are the subscription options for Decibel Meter?
Decibel Meter offers several premium subscription plans, including weekly, monthly, and annual options, with free trial periods ranging from 3 to 7 days. These subscriptions unlock advanced spectrum analysis and professional reporting tools.
Can I cancel my Decibel Meter subscription?
Yes, you can manage or cancel your Decibel Meter subscription at any time through your Apple ID settings. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period.
What devices does Decibel Meter support?
Decibel Meter is available for iPhone and iPod. It is designed for iOS devices and utilizes their built-in microphones for sound measurement.
How often is Decibel Meter updated?
The latest version of Decibel Meter is 1.5, which was last updated on September 11, 2026. Updates typically include new features, performance improvements, and bug fixes.
Is Decibel Meter suitable for children?
Decibel Meter has an age rating of 4+, making it suitable for younger users. The app's utility focuses on sound measurement and analysis, which can be educational.
