# Transposer Pro vs AUBE 2 Audio Unit Box Explorer

The clearest difference is price: Transposer Pro at $0.99 against AUBE 2 Audio Unit Box Explorer's $19.99. Transposer Pro also leads on iOS requirement (16.3 vs 18.0). AUBE 2 Audio Unit Box Explorer's advantage is update cadence (every 2 months vs every 11 months). On ads, in-app purchases and device support there is nothing between them.

Transposer Pro costs $0.99 and AUBE 2 Audio Unit Box Explorer $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Transposer Pro ships an update every 11 months, AUBE 2 Audio Unit Box Explorer every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Transposer Pro | AUBE 2 Audio Unit Box Explorer |
| --- | --- | --- |
| Price | **$0.99** | $19.99 |
| Rating | — | **[4.7 (24 ratings)](https://appshunter.io/ios/app/aube-2-audio-unit-box-explorer/id6740461241/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 93.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 3 MB | 22 MB |
| Requires iOS | **16.3** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matt Welch](https://appshunter.io/developer/1693016625) | [Frederic Corvest](https://appshunter.io/developer/1230164765) |

## What reviewers say

### Transposer Pro

[App page](https://appshunter.io/ios/app/transposer-pro/id6479720686)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Transposer Pro free?

Transposer Pro costs $0.99, with no in-app purchases.

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

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

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

Neither Transposer Pro nor AUBE 2 Audio Unit Box Explorer shows ads.

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

Transposer Pro ships an update every 11 months, and AUBE 2 Audio Unit Box Explorer every 2 months. Most recently, Transposer Pro was updated on October 25, 2026 and AUBE 2 Audio Unit Box Explorer on October 24, 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.*