# PZ vs ADONN

The clearest difference is update cadence: ADONN at every 4 months against PZ's every 12 months. PZ's advantage is iOS requirement (9.0 vs 11.0). 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.

PZ ships an update every 12 months, ADONN every 4 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PZ | ADONN |
| --- | --- | --- |
| 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 | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 2 MB | 18 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [huizhou shangshui technology co.,ltd](https://appshunter.io/developer/1762340195) | [wei lyu](https://appshunter.io/developer/1788851158) |

## What reviewers say

### 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


### ADONN

[App page](https://appshunter.io/ios/app/adonn/id6740195253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PZ free?

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

### Is ADONN free?

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

### Do PZ or ADONN have ads?

Neither PZ nor ADONN shows ads.

### Which is updated more often, PZ or ADONN?

PZ ships an update every 12 months, and ADONN every 4 months. Most recently, PZ was updated on October 24, 2026 and ADONN on October 7, 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.*