# Decibel Meter vs smart audio controller

The clearest difference is in-app purchases: smart audio controller at none against Decibel Meter's 2. smart audio controller also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Decibel Meter sells 2 in-app purchases, starting at $3.99 per 7 days. smart audio controller asks for nothing beyond the download.

## The numbers

| Metric | Decibel Meter | smart audio controller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 1 MB | 35 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Brais Castro](https://appshunter.io/developer/1604438132) | [Ningbo LECOVITA Electronic Technology Co., Ltd](https://appshunter.io/developer/1868847620) |

## What reviewers say

### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-level/id6741395557)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $3.99 | per 7 days |
| Yearly subscription | $39.99 | per year |


### smart audio controller

[App page](https://appshunter.io/ios/app/smart-audio-controller/id6757768984)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter free?

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

### Is smart audio controller free?

smart audio controller is free to download, with no in-app purchases.

### Do Decibel Meter or smart audio controller have ads?

Neither Decibel Meter nor smart audio controller shows ads.

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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.*