Decibel: dB Sound Meter
Noise Exposure & Daily Dose
About
Measure real-time sound levels, track noise exposure, and record sound environments. Visualize sound changes with live graphs and save detailed session data for documentation. Use it for everyday sound checks at home, work, or events.
What's New in Decibel
1.3.0
November 8, 2026
Optimization and bug fixes
Subscriptions & In-App Purchases
Weekly VIP
Pro Subscription
Developer apps
FAQ
What is Decibel used for?
Decibel is used to measure real-time sound levels, track noise exposure, and record sound environments. It helps users understand everyday sound levels for awareness and personal documentation.
Can Decibel be used for professional noise measurements?
No, Decibel is designed for awareness, comparison, and personal documentation. It is not a certified sound level meter and should not be used as the sole basis for workplace compliance or legal decisions.
What are the Pro features in Decibel?
The Pro version of Decibel offers unlimited saved history, PDF report export, advanced noise analysis tools, extended calibration controls, and an ad-free measurement experience.
How does Decibel handle user privacy?
Decibel prioritizes user privacy by not collecting personal information unnecessary for measurements. Microphone access is solely for its functions, with no background tracking.
What subscription plans are available for Decibel?
Decibel offers a 'Weekly VIP' subscription at $9.99 per 7 days, which includes a 3-day free trial. Subscription details can be managed in your Account Settings after purchase.
How often is Decibel updated?
The latest version of Decibel is 1.3.0, last updated on November 8, 2026. This indicates a relatively recent update cycle, suggesting ongoing development and support.
What devices is Decibel compatible with?
Decibel is compatible with iPhone, iPad, and iPod devices. It is designed for iOS users seeking sound measurement capabilities.
Does Decibel have ads?
Decibel does not contain advertisements in its free version. However, the Pro version offers an ad-free measurement experience, implying the free version may have ads, though this is contradicted by the provided `hasAds` flag.
