# NDS6120 vs DSP

The clearest difference is update cadence: DSP at every 2 days against NDS6120's every 4 months. NDS6120's advantage is iOS requirement (9.0 vs 15.6). 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.

NDS6120 ships an update every 4 months, DSP every 2 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | NDS6120 | DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 39 MB | 4 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Aidan Blessindo Electronic Co.,Ltd.](https://appshunter.io/developer/1413008258) | [力和 李](https://appshunter.io/developer/1815629822) |

## What reviewers say

### NDS6120

[App page](https://appshunter.io/ios/app/nds6120/id1413017129)

**Features:** macOS Compatibility

**In-app purchases:** none


### DSP

[App page](https://appshunter.io/ios/app/dsp-d810/id6747443958)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NDS6120 free?

NDS6120 is free to download, with no in-app purchases.

### Is DSP free?

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

### Do NDS6120 or DSP have ads?

Neither NDS6120 nor DSP shows ads.

### Which is updated more often, NDS6120 or DSP?

NDS6120 ships an update every 4 months, and DSP every 2 days. Most recently, NDS6120 was updated on October 26, 2026 and DSP on October 28, 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.*