# dB Guard vs QuietSense

The clearest difference is iOS requirement: dB Guard at 15.1 against QuietSense's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. dB Guard sells 2 in-app purchases, starting at $3.99 per 7 days and QuietSense sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

dB Guard ships an update every 3 months, QuietSense every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | dB Guard | QuietSense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 48 MB | 4 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad haris Shahbaz](https://appshunter.io/developer/1806317467) | [Hwechul Cho](https://appshunter.io/developer/1516194642) |

## What reviewers say

### dB Guard

[App page](https://appshunter.io/ios/app/db-guard/id6760651502)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| dB Guard Pro Weekly | $3.99 | per 7 days |
| dB Guard Pro Annual | $29.99 | per year |


### QuietSense

[App page](https://appshunter.io/ios/app/quietsense-apartment-db-meter/id6771237461)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QuietSense Pro Monthly | $3.99 | per month |
| QuietSense Pro Yearly | $23.99 | per year |


## Frequently asked questions

### Is dB Guard free?

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

### Is QuietSense free?

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

### Do dB Guard or QuietSense have ads?

Neither dB Guard nor QuietSense shows ads.

### Which is updated more often, dB Guard or QuietSense?

dB Guard ships an update every 3 months, and QuietSense every 2 months. Most recently, dB Guard was updated on September 10, 2026 and QuietSense on September 9, 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.*