HowLoud – Decibel Meter
Sound level meter · dB · PDF
About
Measure ambient sound levels with this decibel meter. Document noise patterns with notes and timestamps, and export detailed PDF reports. Keep all your measurements private on your device.
What's New in HowLoud
1.5
October 19, 2026
More accurate readings — we recalibrated the microphone to better match reference meters like Apple Watch Noise.
Subscriptions & In-App Purchases
$4.99
Premium
Share and history options
Developer apps
FAQ
What is HowLoud used for?
HowLoud is used to measure ambient sound levels in decibels, document noise patterns with notes and timestamps, and export detailed PDF reports for personal awareness and documentation.
Does HowLoud have ads?
No, HowLoud is ad-free. The app explicitly states 'No ads, no subscriptions, no tracking' in its features.
How much does HowLoud cost?
HowLoud is free to download and use for basic sound level measurements. A one-time Premium unlock is available for PDF reports and extended history.
Can I use HowLoud offline?
Yes, HowLoud keeps all measurements private on your device without requiring cloud storage or accounts, making it usable offline for recording and documentation.
What devices does HowLoud support?
Based on the provided data, HowLoud currently supports iPhone devices.
How often is HowLoud updated?
The latest version of HowLoud is 1.5, which was last updated on October 19, 2026. This indicates a relatively recent update.
Is HowLoud suitable for professional sound measurements?
No, HowLoud is designed for personal awareness and documentation. It is not a certified Class 1 or Class 2 sound level meter and should not be used where legally certified measurements are required.
What kind of reports can I generate with HowLoud?
HowLoud allows you to export professional A4 PDF reports that include visual charts and detailed measurement statistics, providing a clear overview of sound patterns.
