# Sound Meter by nTechApps vs AoooG

Sound Meter by nTechApps and AoooG are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Sound Meter by nTechApps | AoooG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 26 months |
| Size | 21 MB | 66 MB |
| Requires iOS | 9.1 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Ngo](https://appshunter.io/developer/1134969498) | [刚 李](https://appshunter.io/developer/1691041855) |

## What reviewers say

### Sound Meter by nTechApps

[App page](https://appshunter.io/ios/app/sound-meter-by-ntechapps/id1462629561)

**In-app purchases:** none


### AoooG

[App page](https://appshunter.io/ios/app/aooog/id6449929194)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sound Meter by nTechApps free?

Sound Meter by nTechApps is free to download, with no in-app purchases.

### Is AoooG free?

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

### Do Sound Meter by nTechApps or AoooG have ads?

Neither Sound Meter by nTechApps nor AoooG 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.*