# AUBE 2 Audio Unit Box Explorer vs PO

The clearest difference is price: PO at Free against AUBE 2 Audio Unit Box Explorer's $19.99. PO also leads on update cadence (every 2 days vs every 2 months) and rating (5.0 vs 4.6). AUBE 2 Audio Unit Box Explorer's advantage is ratings volume (22 vs 1). On ads, in-app purchases and device support there is nothing between them.

PO is free to download; AUBE 2 Audio Unit Box Explorer costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PO holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: AUBE 2 Audio Unit Box Explorer has 22 ratings behind it against 1, so its average is the more settled of the two.

AUBE 2 Audio Unit Box Explorer ships an update every 2 months, PO every 2 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | AUBE 2 Audio Unit Box Explorer | PO |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [4.6 (22 ratings)](https://appshunter.io/ios/app/aube-2-audio-unit-box-explorer/id6740461241/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/po-patchstudio/id6809190034/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 22 MB | 12 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Frederic Corvest](https://appshunter.io/developer/1230164765) | [Photon Consulting Limited](https://appshunter.io/developer/6778625337) |

## What reviewers say

### AUBE 2 Audio Unit Box Explorer

[App page](https://appshunter.io/ios/app/aube-2-audio-unit-box-explorer/id6740461241)

Organize, explore, and share your AUv3 plugin collection with this comprehensive tool. Discover new plugins, track favorites, and manage your library efficiently across devices. Features include advanced search, filtering, and community sharing.

**Highlights:** AUv3 plugin organization by group, category, and features, Search and filter by device compatibility and keywords, Track favorites and create wishlists, Community sharing of plugin collections, Mac and iOS versions with universal purchase, Keyboard extension for quick plugin searches

**Features:** macOS Compatibility

**In-app purchases:** none


### PO

[App page](https://appshunter.io/ios/app/po-patchstudio/id6809190034)

Design and edit drum sounds, kits, and patterns for Teenage Engineering's PO-32 Tonic. Transfer your creations to the device via audio. Back up and edit existing sounds, and import/export patches from Microtonic.

**Highlights:** Shape 16 sounds with 21 synth parameters, Program 16-step patterns with accents, Send kits, sounds, or patterns via audio, Back up and decode PO-32 data dumps, Import/export Microtonic patches, Local library with tags and favorites

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

**In-app purchases:** none


## Frequently asked questions

### Is AUBE 2 Audio Unit Box Explorer free?

AUBE 2 Audio Unit Box Explorer costs $19.99, with no in-app purchases.

### Is PO free?

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

### Which has better reviews, AUBE 2 Audio Unit Box Explorer or PO?

PO is rated higher. AUBE 2 Audio Unit Box Explorer averages 4.6 out of 5 from 22 ratings, while PO averages 5.0 from 1 ratings.

### Do AUBE 2 Audio Unit Box Explorer or PO have ads?

Neither AUBE 2 Audio Unit Box Explorer nor PO shows ads.

### Which is updated more often, AUBE 2 Audio Unit Box Explorer or PO?

AUBE 2 Audio Unit Box Explorer ships an update every 2 months, and PO every 2 days. Most recently, AUBE 2 Audio Unit Box Explorer was updated on October 5, 2026 and PO on October 11, 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.*