# REF vs J.J.Moon AUv3 Plugin

The clearest difference is in-app purchases: REF at none against J.J.Moon AUv3 Plugin's 1. REF also leads on update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

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

REF ships an update every 3 days, J.J.Moon AUv3 Plugin weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | REF | J.J.Moon AUv3 Plugin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jjmoon-auv3-plugin/id6813232689/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Amr Rashed](https://appshunter.io/developer/1864768976) | [Petar Gerov](https://appshunter.io/developer/1889588782) |

## What reviewers say

### REF

[App page](https://appshunter.io/ios/app/ref-440-tuner/id6757130720)

**Features:** macOS Compatibility

**In-app purchases:** none


### J.J.Moon AUv3 Plugin

[App page](https://appshunter.io/ios/app/jjmoon-auv3-plugin/id6813232689)

Enhance your acoustic guitar sound with this AUv3 plugin. It offers detailed control over body, air, and string tones, plus compression, stereo width, and spatial effects. Try it free for seven days before a one-time purchase unlocks all features permanently.

**Highlights:** Acoustic guitar curve engine, Multi-band EQ shaping, Optical compressor, Stereo micro-pitch widening, Short stereo double and room bloom, Fifteen factory presets, Customizable panel finishes

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

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


## Frequently asked questions

### Is REF free?

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

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

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

### Do REF or J.J.Moon AUv3 Plugin have ads?

Neither REF nor J.J.Moon AUv3 Plugin shows ads.

### Which is updated more often, REF or J.J.Moon AUv3 Plugin?

REF ships an update every 3 days, and J.J.Moon AUv3 Plugin weekly. Most recently, REF was updated on October 28, 2026 and J.J.Moon 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.*