# DSP vs SANSUI SQC

The clearest difference is update cadence: SANSUI SQC at every 3 weeks against DSP's every 13 months. SANSUI SQC also leads on iOS requirement (12.0 vs 15.5). 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.

DSP ships an update every 13 months, SANSUI SQC every 3 weeks. The most recent releases landed on February 24, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | DSP | SANSUI SQC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Size | 5 MB | 34 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [东山 谢](https://appshunter.io/developer/1634156531) | [Guangzhou Aidan Blessindo Electronic Co.,Ltd.](https://appshunter.io/developer/1413008258) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp/id6469694424)

**Features:** macOS Compatibility

**In-app purchases:** none


### SANSUI SQC

[App page](https://appshunter.io/ios/app/sansui-sqc/id6753965319)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSP free?

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

### Is SANSUI SQC free?

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

### Do DSP or SANSUI SQC have ads?

Neither DSP nor SANSUI SQC shows ads.

### Which is updated more often, DSP or SANSUI SQC?

DSP ships an update every 13 months, and SANSUI SQC every 3 weeks. Most recently, DSP was updated on February 24, 2026 and SANSUI SQC on May 17, 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.*