# PCADSP vs ZS DSP

The clearest difference is update cadence: ZS DSP at every 3 days against PCADSP's every 3 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.

PCADSP ships an update every 3 months, ZS DSP every 3 days. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PCADSP | ZS DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 4 MB | 5 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saga Audio Equipment Co., Ltd.](https://appshunter.io/developer/1182856667) | [Maslim Djanuanto](https://appshunter.io/developer/1521794441) |

## What reviewers say

### PCADSP

[App page](https://appshunter.io/ios/app/pcadsp/id6504428795)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZS DSP

[App page](https://appshunter.io/ios/app/zs-dsp/id6748144788)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PCADSP free?

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

### Is ZS DSP free?

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

### Do PCADSP or ZS DSP have ads?

Neither PCADSP nor ZS DSP shows ads.

### Which is updated more often, PCADSP or ZS DSP?

PCADSP ships an update every 3 months, and ZS DSP every 3 days. Most recently, PCADSP was updated on October 4, 2026 and ZS DSP on October 14, 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.*