# PRO type vs PZ

The clearest difference is in-app purchases: PZ at none against PRO type's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PRO type sells 5 one-off in-app purchases. PZ asks for nothing beyond the download.

PRO type ships an update every 9 months, PZ every 12 months. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PRO type | PZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pz-c7/id6630366976/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 12 months |
| Monetization | — | Free |
| Size | 4 MB | 2 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DILTS JAPAN, LIMITED LIABILITY CO.](https://appshunter.io/developer/780416956) | [huizhou shangshui technology co.,ltd](https://appshunter.io/developer/1762340195) |

## What reviewers say

### PRO type

[App page](https://appshunter.io/ios/app/pro-type-v-fireplus/id1328424681)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GROM JC75 | $3.99 | one-time |
| CYGNUS-X SED8J | $3.99 | one-time |
| CYGNUS-X SEA5J | $3.99 | one-time |
| GROM JC61 | $3.99 | one-time |
| GSX-R125 DL33B/S125 DL32B | $3.99 | one-time |


### PZ

[App page](https://appshunter.io/ios/app/pz-c7/id6630366976)

This application provides advanced audio tuning for car amplifiers, featuring plug-and-play installation and powerful DSP processing. It allows for precise adjustments to sound fields, equalization, and dynamic music processing via a smartphone interface.

**Highlights:** Plug & play installation, Quad-core 32-bit DSP processing, Lossless audio playback, 15-band EQ tuning, Adjustable sound field delay, Built-in Bluetooth for music streaming, Smartphone control

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

**In-app purchases:** none


## Frequently asked questions

### Is PRO type free?

PRO type is free to download, with in-app purchases available.

### Is PZ free?

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

### Do PRO type or PZ have ads?

Neither PRO type nor PZ shows ads.

### Which is updated more often, PRO type or PZ?

PRO type ships an update every 9 months, and PZ every 12 months. Most recently, PRO type was updated on September 30, 2026 and PZ on October 5, 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.*