HowLoud – Decibel Meter

Nadzeya Yashchuk

In-app purchases

About this app

HowLoud is a clean, practical decibel meter for measuring ambient sound levels with your phone.

Use it to check noise around you, compare the current level with familiar real-world references, and save measurement sessions for later. Premium unlocks PDF reports and extended history with a one-time purchase.

Features:
• Live sound level measurement in dB
• Easy noise zones: Safe, Moderate, and Risk
• Reference scale for common sounds like conversation, traffic, concerts, and jet takeoff
• Measurement statistics: minimum, average, and peak levels
• Session history
• PDF export for reports
• Optional location stamp for saved reports
• No ads
• No subscriptions
• No accounts

HowLoud is useful for quick noise checks at home, work, school, cafés, streets, events, or any place where you want to understand how loud the environment is.

Note: phone microphones vary by device and are not a replacement for a certified professional sound level meter.