# SyncOP vs dB Meter

The clearest difference is device support: SyncOP at 3 against dB Meter's —. dB Meter's advantage is iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SyncOP | dB Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 11 days | — |
| Size | 16 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Sync Layer, Inc. (U.S.)](https://appshunter.io/developer/1707568674) | [RAMAZAN USEN](https://appshunter.io/developer/1783434185) |

## What reviewers say

### SyncOP

[App page](https://appshunter.io/ios/app/syncop/id6466648823)

**Features:** macOS Compatibility

**In-app purchases:** none


### dB Meter

[App page](https://appshunter.io/ios/app/db-meter-sound-level/id6760949256)

**In-app purchases:** none


## Frequently asked questions

### Is SyncOP free?

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

### Is dB Meter free?

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

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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.*