# NDS6831A vs A800 DSP

The clearest difference is update cadence: A800 DSP at every 2 weeks against NDS6831A's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

NDS6831A ships an update every 2 months, A800 DSP every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | NDS6831A | A800 DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 36 MB | 8 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Aidan Blessindo Electronic Co.,Ltd.](https://appshunter.io/developer/1413008258) | [Guangzhou Coolpower Technology Co., Ltd.](https://appshunter.io/developer/1152993269) |

## What reviewers say

### NDS6831A

[App page](https://appshunter.io/ios/app/nds6831a/id1501131893)

**Features:** macOS Compatibility

**In-app purchases:** none


### A800 DSP

[App page](https://appshunter.io/ios/app/a800-dsp/id6471109390)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NDS6831A free?

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

### Is A800 DSP free?

A800 DSP is free to download, with no in-app purchases.

### Do NDS6831A or A800 DSP have ads?

Neither NDS6831A nor A800 DSP shows ads.

### Which is updated more often, NDS6831A or A800 DSP?

NDS6831A ships an update every 2 months, and A800 DSP every 2 weeks. Most recently, NDS6831A was updated on October 25, 2026 and A800 DSP on October 25, 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.*