# Perihelion Synth vs AU Studio

The clearest difference is iOS requirement: Perihelion Synth at 15.0 against AU Studio's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Perihelion Synth costs $9.99 and AU Studio $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Perihelion Synth | AU Studio |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| 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 | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | — | Paid |
| Size | 19 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [JOSIAH BUJANDA](https://appshunter.io/developer/1863138700) | [Christian Thompson](https://appshunter.io/developer/1511795684) |

## What reviewers say

### Perihelion Synth

[App page](https://appshunter.io/ios/app/perihelion-synth/id6756832732)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Perihelion Synth free?

Perihelion Synth costs $9.99, with no in-app purchases.

### Is AU Studio free?

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

### Do Perihelion Synth or AU Studio have ads?

Neither Perihelion Synth nor AU Studio shows ads.

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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.*