# Sono Decibel Noise Meter — Sound Level dB Measurement

> Sound Level dB Measurement (iPhone/iPad app by Sindre Sørensen.)

- Source: https://appshunter.io/ios/app/sono-decibel-noise-meter/id6761021707 (this page in markdown: same URL + `.md`)
- Developer: [Sindre Sørensen](https://appshunter.io/developer/1881331882)
- Category: Utilities
- Price: $2.99
- Age rating: 4+
- Requires: iOS 26.2 · 2 MB
- Languages: American English
- Released: 2026-03-25
- Data updated: 2026-06-01
- User reviews in markdown: https://appshunter.io/ios/app/sono-decibel-noise-meter/id6761021707/reviews.md

## What is Sono Decibel Noise Meter?

Sono gives you a professional decibel meter in your pocket. Measure sound levels accurately with an A-weighted filter that matches how your ears actually perceive noise.

SEE SOUND IN REAL TIME
Watch noise levels update live with a smooth animated gauge and streaming chart. The display responds instantly to loud sounds while staying readable — no jumpy numbers.

RECORD & ANALYZE
Tap Record to capture a measurement session. Review detailed stats including min, average, max, and a full level distribution breakdown. Export your data as CSV or JSON.

MONITOR FROM ANYWHERE
Enable Live Activity to track decibel levels right from your Lock Screen or Dynamic Island — no need to keep the app open.

PROTECT YOUR HEARING
Set a custom noise threshold and get notified when sound levels become dangerous. Sono also writes noise exposure data to Apple Health for long-term hearing tracking.

BACKGROUND LISTENING
Keep monitoring even when you switch apps. Perfect for tracking noise levels during meetings, concerts, or overnight.

KEY FEATURES
• A-weighted filter (IEC 61672 standard)
• Real-time dB gauge and live chart
• Recording with min/avg/max stats
• CSV and JSON export
• Live Activity and Dynamic Island
• Customizable noise threshold alerts
• Apple Health integration
• Background listening mode
• Device calibration offset
• Works on iPhone and iPad


## Version history (last 1 release)

### 1.0 — 2026-03-25

No release notes.

## More apps by Sindre Sørensen

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- [Watt Charging Speed](https://appshunter.io/ios/app/watt-charging-speed/id6760211479)
- [Auto Pack: Smart Packing List](https://appshunter.io/ios/app/auto-pack-smart-packing-list/id6760421085)
- [Simple QR Code Gen](https://appshunter.io/ios/app/simple-qr-code-gen/id6760964339)
- [LumaKit](https://appshunter.io/ios/app/lumakit/id6761222449)

All apps by Sindre Sørensen: https://appshunter.io/developer/1881331882

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*