# SoundLevel Pro: dB Meter — Decibel sound level meter

> Decibel sound level meter (iPhone/iPad app by Yuki Okawa.)

- Source: https://appshunter.io/ios/app/soundlevel-pro-db-meter/id6785798158 (this page in markdown: same URL + `.md`)
- Developer: [Yuki Okawa](https://appshunter.io/developer/1867195492)
- Category: Utilities, Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 23 MB
- Languages: American English
- Released: 2026-07-06
- Data updated: 2026-07-30
- User reviews in markdown: https://appshunter.io/ios/app/soundlevel-pro-db-meter/id6785798158/reviews.md

## What is SoundLevel Pro?

SoundLevel Pro turns your phone into a real-time decibel (dB) sound level meter. Point it at whatever you want to measure and watch the loudness around you on a big, color-coded gauge.

MEASURE IN REAL TIME
• Large analog-style meter with a live dB number
• Color zones at a glance: green (quiet), amber (moderate), orange (loud), red (dangerous)
• Peak, average and minimum readings
• Live scrolling chart of recent readings

NOISE ALERT
• Set a threshold (e.g. 85 dB) and get a visual + haptic warning when it is exceeded
• Great for a baby's bedroom, an office, a workshop or your neighborhood

HISTORY
• Stop a measurement to save its summary (peak / average / min and duration)
• Browse and manage past sessions anytime

dB REFERENCE GUIDE
• A handy table of everyday sound levels — whisper, conversation, traffic, concert and more

MADE FOR EVERYONE
• Light & dark themes with multiple accent colors
• English and Japanese
• Calibration offset to match a reference meter
• Keep the screen on while measuring

PRIVACY FIRST
• Works fully offline. The microphone is used only to measure loudness — audio is never recorded, saved or sent anywhere. No account, no cloud, no tracking.

Note: readings are approximate and depend on your device's microphone. SoundLevel Pro is intended for general awareness, not for professional or regulatory measurements.

Free, supported by ads.


## Version history (last 3 releases)

### 1.0.2 — 2026-07-19

Fixed minor bugs.

### 1.0.1 — 2026-07-16

Fixed minor bugs.

### 1.0 — 2026-07-07

No release notes.

## More apps by Yuki Okawa

- [TaskCount: Task Timer](https://appshunter.io/ios/app/taskcount-task-timer/id6757483193)
- [Bulk QR: QR Code Maker](https://appshunter.io/ios/app/bulk-qr-qr-code-maker/id6757633166)
- [Gratie - Gratitude Journal](https://appshunter.io/ios/app/gratie-gratitude-journal/id6784641065)
- [Leafy - Plant Care Reminder](https://appshunter.io/ios/app/leafy-plant-care-reminder/id6784672249)
- [Lull: Focus & Sleep Sounds](https://appshunter.io/ios/app/lull-focus-and-sleep-sounds/id6784733202)
- [Trailpack: Camp Checklist](https://appshunter.io/ios/app/trailpack-camp-checklist/id6784964041)

All apps by Yuki Okawa: https://appshunter.io/developer/1867195492

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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 2026-07-30.*