# NDS6831A vs SR AUDIO

The clearest difference is device support: NDS6831A at 2 against SR AUDIO's —. On price, in-app purchases and iOS requirement 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 | NDS6831A | SR AUDIO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Size | 36 MB | 13 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Aidan Blessindo Electronic Co.,Ltd.](https://appshunter.io/developer/1413008258) | [国敏 陈](https://appshunter.io/developer/1686873703) |

## What reviewers say

### NDS6831A

[App page](https://appshunter.io/ios/app/nds6831a-ii/id1546046109)

**Features:** macOS Compatibility

**In-app purchases:** none


### SR AUDIO

[App page](https://appshunter.io/ios/app/sr-audio/id6449078267)

**In-app purchases:** none


## Frequently asked questions

### Is NDS6831A free?

NDS6831A is free to download, with no in-app purchases.

### Is SR AUDIO free?

SR AUDIO 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.*