# NDS6831A vs A600 DSP

NDS6831A and A600 DSP 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 | NDS6831A | A600 DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 36 MB | 7 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| 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


### A600 DSP

[App page](https://appshunter.io/ios/app/a600-dsp/id6473719521)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NDS6831A free?

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

### Is A600 DSP free?

A600 DSP is free to download, with no in-app purchases.

### Do NDS6831A or A600 DSP have ads?

Neither NDS6831A nor A600 DSP shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*