# PCADSP vs ZP 6.4 AMP 31

The clearest difference is iOS requirement: ZP 6.4 AMP 31 at 12.0 against PCADSP's 14.0. 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.

## The numbers

| Metric | PCADSP | ZP 6.4 AMP 31 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 4 MB | 5 MB |
| Requires iOS | 14.0 | **12.0** |
| 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


### ZP 6.4 AMP 31

[App page](https://appshunter.io/ios/app/zp-64-amp-31-d/id6741721183)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PCADSP free?

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

### Is ZP 6.4 AMP 31 free?

ZP 6.4 AMP 31 is free to download, with no in-app purchases.

### Do PCADSP or ZP 6.4 AMP 31 have ads?

Neither PCADSP nor ZP 6.4 AMP 31 shows ads.

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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.*