Decibel Meter: Noise & dB

Measure the sound level around you in real time. A live decibel (dB) meter with peak hold, min/avg/max stats, and history — no audio is ever recorded.

Decibel Meter turns your iPhone into a real-time sound level meter. Instantly measure how loud your environment is in decibels (dB) — at home, at work, at concerts, or anywhere noise matters.

KEY FEATURES

• Live dB Meter — See sound levels in real time on a clear gauge
• Peak Hold — Capture the loudest moment
• Min / Avg / Max Stats — Understand the sound around you
• History — Review your past readings, colour-coded by level
• Simple, clean interface — Just tap Start
• Works Offline — No account, no internet required

PRIVACY FIRST

• The microphone is used only to measure sound levels live
• No audio is ever recorded, saved, or transmitted
• Only numeric dB readings are stored on your device

GREAT FOR

• Checking noise at home, the office, or your neighbourhood
• Concerts, events, and venues
• Curiosity about how loud things really are

Note: Readings are estimates from your device's microphone, for general use — not a replacement for professional calibrated equipment.

Decibel Meter is free to use, supported by ads.