# dB Meter vs decibella 2

The clearest difference is in-app purchases: decibella 2 at none against dB Meter's 1. dB Meter's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. dB Meter sells 1 one-off in-app purchase. decibella 2 asks for nothing beyond the download.

dB Meter ships an update every 11 days, decibella 2 every 2 weeks. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | dB Meter | decibella 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Size | 5 MB | 53 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Swapnil Jain](https://appshunter.io/developer/1858553727) | [Jisu Jung](https://appshunter.io/developer/1731788096) |

## What reviewers say

### dB Meter

[App page](https://appshunter.io/ios/app/db-meter-noise-level-meter/id6756863216)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quietly Premium | $5.99 | one-time |


### decibella 2

[App page](https://appshunter.io/ios/app/decibella-2/id6768519741)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is dB Meter free?

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

### Is decibella 2 free?

decibella 2 is free to download, with no in-app purchases.

### Do dB Meter or decibella 2 have ads?

decibella 2 shows ads; dB Meter does not.

### Which is updated more often, dB Meter or decibella 2?

dB Meter ships an update every 11 days, and decibella 2 every 2 weeks. Most recently, dB Meter was updated on October 5, 2026 and decibella 2 on October 21, 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.*