# QuickAlarm vs Decibel Meter

The clearest difference is price: QuickAlarm at Free against Decibel Meter's $0.99. QuickAlarm also leads on update cadence (every 3 days vs every 3 months). Decibel Meter's advantage is iOS requirement (15.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

QuickAlarm is free to download; Decibel Meter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QuickAlarm ships an update every 3 days, Decibel Meter every 3 months. The most recent releases landed on October 19, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | QuickAlarm | Decibel Meter |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-test/id6764498347/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | — | Paid |
| Size | 12 MB | 41 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sumit Vairagar](https://appshunter.io/developer/1890154285) | [恒盛 程](https://appshunter.io/developer/1533201832) |

## What reviewers say

### QuickAlarm

[App page](https://appshunter.io/ios/app/quickalarm-widget/id6762440147)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-test/id6764498347)

Measure ambient sound levels in real-time using your device's microphone. Understand your environment's noise status, save measurement sessions, and generate PDF reports with data and scene photos. Useful for everyday reference and record-keeping.

**Highlights:** Real-time decibel readings, Spectrum analysis, Environment status labels, Session statistics, Measurement history, Audio playback, Scene photo records, PDF reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is QuickAlarm free?

QuickAlarm is free to download, with no in-app purchases.

### Is Decibel Meter free?

Decibel Meter costs $0.99, with no in-app purchases.

### Do QuickAlarm or Decibel Meter have ads?

Neither QuickAlarm nor Decibel Meter shows ads.

### Which is updated more often, QuickAlarm or Decibel Meter?

QuickAlarm ships an update every 3 days, and Decibel Meter every 3 months. Most recently, QuickAlarm was updated on October 19, 2026 and Decibel Meter on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*