# Sidus Audio vs GCSync

The clearest difference is update cadence: Sidus Audio at every 6 weeks against GCSync's every 3 months. GCSync's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sidus Audio ships an update every 6 weeks, GCSync every 3 months. The most recent releases landed on September 26, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Sidus Audio | GCSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (16 ratings)](https://appshunter.io/ios/app/sidus-audio/id1617213662/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 50 MB | 26 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) | [深圳市影之器科技有限公司](https://appshunter.io/developer/1486091758) |

## What reviewers say

### Sidus Audio

[App page](https://appshunter.io/ios/app/sidus-audio/id1617213662)

This app allows professional audio engineers and sound enthusiasts to wirelessly connect and control multiple audio devices. It features an intelligent network for stable communication, centralized monitoring, and parameter presets, all accessible through a user-friendly interface.

**Highlights:** Intelligent audio network, Wireless device control, Centralized monitoring, Parameter presets, Cloud synchronization, Demo mode

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

**In-app purchases:** none


### GCSync

[App page](https://appshunter.io/ios/app/gcsync/id6449912327)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sidus Audio free?

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

### Is GCSync free?

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

### Do Sidus Audio or GCSync have ads?

Neither Sidus Audio nor GCSync shows ads.

### Which is updated more often, Sidus Audio or GCSync?

Sidus Audio ships an update every 6 weeks, and GCSync every 3 months. Most recently, Sidus Audio was updated on September 26, 2026 and GCSync on September 12, 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.*