# AU Studio vs Super Simple Drum

The clearest difference is price: Super Simple Drum at Free against AU Studio's $9.99. Super Simple Drum also leads on update cadence (daily vs monthly). AU Studio's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On ads and iOS requirement there is nothing between them.

Super Simple Drum is free to download; AU Studio costs $9.99 up front. Super Simple Drum sells 1 one-off in-app purchase. AU Studio asks for nothing beyond the download.

AU Studio ships an update monthly, Super Simple Drum daily. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AU Studio | Super Simple Drum |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/au-studio/id6763809742/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Paid | — |
| Size | 7 MB | 27 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Thompson](https://appshunter.io/developer/1511795684) | [Bizzon Company Limited](https://appshunter.io/developer/492003854) |

## What reviewers say

### AU Studio

[App page](https://appshunter.io/ios/app/au-studio/id6763809742)

This app acts as a dedicated host for Audio Unit extensions, allowing musicians and developers to inspect, audition, and test installed audio plugins. It provides detailed information about each unit's capabilities and behavior without requiring a full digital audio workstation.

**Highlights:** Scan and catalog installed Audio Units, Filter plugins by developer, type, and status, Load AUv3 interfaces or use detailed inspector, Inspect registry identity, MIDI support, and parameters, Route CoreMIDI sources and audition audio effects, Monitor runtime CPU and memory usage, Built-in manual for guidance

**In-app purchases:** none


### Super Simple Drum

[App page](https://appshunter.io/ios/app/super-simple-drum/id6811199510)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | $4.99 | one-time |


## Frequently asked questions

### Is AU Studio free?

AU Studio costs $9.99, with no in-app purchases.

### Is Super Simple Drum free?

Super Simple Drum is free to download, with in-app purchases available.

### Do AU Studio or Super Simple Drum have ads?

Neither AU Studio nor Super Simple Drum shows ads.

### Which is updated more often, AU Studio or Super Simple Drum?

AU Studio ships an update monthly, and Super Simple Drum daily. Most recently, AU Studio was updated on October 1, 2026 and Super Simple Drum on October 8, 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.*