# Decibel Q: Sound & Light Meter — Noise,Audio,Frequency Analyzer

> Noise,Audio,Frequency Analyzer (iPhone/iPad app by Onur Mercan.)

- Source: https://appshunter.io/ios/app/decibel-q-sound-and-light-meter/id6759003304 (this page in markdown: same URL + `.md`)
- Developer: [Onur Mercan](https://appshunter.io/developer/1869705764)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.2 · 9 MB
- Languages: American English
- Released: 2026-02-11
- Data updated: 2026-06-06
- User reviews in markdown: https://appshunter.io/ios/app/decibel-q-sound-and-light-meter/id6759003304/reviews.md

## What is Decibel Q?

Professional Environmental Analysis in the Palm of Your Hand.
Qmeter is an advanced scientific tool designed for professionals and enthusiasts who need precise, real-time data on their surroundings. Whether you are a sound engineer, architect, photographer, or environmental health officer, Qmeter provides the data you need with a state-of-the-art interface.

Key Features

• ACOUSTIC MONITORING: Track real-time decibel (dB SPL) levels with high-precision accuracy. Visualize sound fluctuations through dynamic, real-time frequency graphs.

• PHOTOMETRIC ANALYSIS: Measure light intensity (Lux) instantly. Perfect for ensuring workspace safety, greenhouse monitoring, or interior lighting design.

• AUGMENTED REALITY (AR) HUD: Experience the future of measurement. Use our advanced AR Overlay to visualize environmental data directly in your physical space through a sleek, futuristic Heads-Up Display (HUD).

• SESSION REPORTING & PDF EXPORT: Don't just measure—document. Record measurement sessions and generate professional, scientific PDF reports. Each report includes peak levels, averages, and time-stamped progression graphs.

• ENVIRONMENTAL SAFETY SCORE: Our proprietary algorithm analyzes your data to provide a unified Safety Score, helping you quickly assess if an environment meets noise and lighting safety standards.

Why Qmeter?

Modern Aesthetics: A premium, dark-themed interface designed for professional use.
High Performance: Optimized for the latest iOS hardware with near-zero latency.
Privacy First: Your measurements and reports are stored locally on your device.
Download Qmeter today and turn your device into a professional-grade environmental sensor suite.




#Important Note: 
A subscription is needed to access all features below:
-ACOUSTIC MONITORING
-PHOTOMETRIC ANALYSIS
-SESSION REPORTING & PDF EXPORT
-AD-FREE EXPERIENCE


• Payment will be charged to your iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24 hours prior to the end of the current period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy : https://airy-pipe-041.notion.site/Privacy-Policy-for-QMeter-30359ade5d798023b9a0c239032523eb

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Access All | $44.99 | per year |
| Access All | $14.99 | per 7 days |



## Version history (last 2 releases)

### 1.1 — 2026-02-24

Performance Improvements

### 1.0 — 2026-02-11

No release notes.

## More apps by Onur Mercan

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- [Hearing Aid & Sound Amplifier](https://appshunter.io/ios/app/hearing-aid-and-sound-amplifier/id6758613536)
- [AdBlock Pro & Breach Monitor](https://appshunter.io/ios/app/adblock-pro-and-breach-monitor/id6758828498)

All apps by Onur Mercan: https://appshunter.io/developer/1869705764

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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 2026-06-06.*