# Harmonizer vs J.J.Midnight AUv3 Plugin

The clearest difference is in-app purchases: Harmonizer at none against J.J.Midnight AUv3 Plugin's 1. J.J.Midnight AUv3 Plugin's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. J.J.Midnight AUv3 Plugin sells 1 one-off in-app purchase. Harmonizer asks for nothing beyond the download.

Harmonizer ships an update every 2 months, J.J.Midnight AUv3 Plugin weekly. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Harmonizer | J.J.Midnight AUv3 Plugin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 20 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Peter Hafner](https://appshunter.io/developer/1625319412) | [Petar Gerov](https://appshunter.io/developer/1889588782) |

## What reviewers say

### Harmonizer

[App page](https://appshunter.io/ios/app/harmonizer-auv3/id6791999719)

**In-app purchases:** none


### J.J.Midnight AUv3 Plugin

[App page](https://appshunter.io/ios/app/jjmidnight-auv3-plugin/id6812455527)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| jj-midnight Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Harmonizer free?

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

### Is J.J.Midnight AUv3 Plugin free?

J.J.Midnight AUv3 Plugin is free to download, with in-app purchases available.

### Do Harmonizer or J.J.Midnight AUv3 Plugin have ads?

Neither Harmonizer nor J.J.Midnight AUv3 Plugin shows ads.

### Which is updated more often, Harmonizer or J.J.Midnight AUv3 Plugin?

Harmonizer ships an update every 2 months, and J.J.Midnight AUv3 Plugin weekly. Most recently, Harmonizer was updated on October 16, 2026 and J.J.Midnight AUv3 Plugin on October 25, 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.*