# Decibel vs panic.app

The clearest difference is in-app purchases: panic.app at none against Decibel's 4. panic.app also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price and device support there is nothing between them.

Both are free to download. Decibel sells 4 in-app purchases, starting at $2.49 per month. panic.app asks for nothing beyond the download.

Decibel ships an update monthly, panic.app every 2 weeks. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Decibel | panic.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (37 ratings)](https://appshunter.io/ios/app/decibel-db-sound-level-meter/id6443760208/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 99 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kemal Bakacak](https://appshunter.io/developer/1475963902) | [B1 YONETIM SISTEMLERI YAZILIM VE DANISMANLIK Limited Sirketi](https://appshunter.io/developer/634374671) |

## What reviewers say

### Decibel

[App page](https://appshunter.io/ios/app/decibel-db-sound-level-meter/id6443760208)

Transform your device into a professional sound level meter to detect harmful noises and protect your hearing. It also allows you to test and track your stereo and hearing performance with detailed history management. The app offers accurate measurements and a quick hearing test.

**Highlights:** Professional sound level meter, Hearing performance testing, Stereo and bass sound testing, High frequency sound generation, Accurate measurements, History data management, Dark mode support

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Noise Dosimeter | $2.49 | per month |
| Yearly - SPL & Decibel Meter | $9.99 | per year |
| Yearly Trial - Water Eject | $9.99 | per year |
| Lifetime - Hz Tone Generator | $15.99 | one-time |


### panic.app

[App page](https://appshunter.io/ios/app/panicapp/id6755586131)

**In-app purchases:** none


## Frequently asked questions

### Is Decibel free?

Decibel is free to download, with in-app purchases available.

### Is panic.app free?

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

### Do Decibel or panic.app have ads?

Decibel shows ads; panic.app does not.

### Which is updated more often, Decibel or panic.app?

Decibel ships an update monthly, and panic.app every 2 weeks. Most recently, Decibel was updated on October 25, 2026 and panic.app on October 13, 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.*