# Sidus Link vs Ascend Audio

The clearest difference is review sentiment: Sidus Link at 62% against Ascend Audio's 20%. Sidus Link also leads on update cadence (every 2 weeks vs every 4 months). Ascend Audio's advantage is iOS requirement (12.0 vs 15). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Sidus Link ships an update every 2 weeks, Ascend Audio every 4 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sidus Link | Ascend Audio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (626 ratings)](https://appshunter.io/ios/app/sidus-link/id1471951977/reviews)** | — |
| Number of ratings | **626** | — |
| Positive reviews | **61.8% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 381 MB | 15 MB |
| Requires iOS | 15 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) | [Dutch & Dutch](https://appshunter.io/developer/1561757977) |

## What reviewers say

### Sidus Link

[App page](https://appshunter.io/ios/app/sidus-link/id1471951977)

Control film lighting fixtures directly from your mobile device. This app offers advanced modes for white light, gels, color, and effects, with features for scene setup and collaboration. It supports over 100 fixtures and simplifies complex lighting workflows.

**Highlights:** Sidus Mesh Intelligent Lighting Network, White Light, Gel, Color, and Effect Modes, Unlimited Presets and QuickShots, On-set Workflow Management, Multi-device Control, Sidus Cloud and Creative Collaboration

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Intuitive and easy to use
- 🔒 Seamless connectivity
- 💡 Powerful lighting control features
- 🎨 Excellent color management
- 🌟 Comprehensive ecosystem integration

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔁 Frequent need to reconnect
- 🕰️ Slow response times
- 🔒 Unnecessary password requirements
- 🤯 Confusing UI for advanced features

**Reported bugs**

- App crashes on launch
- Inability to save/restore light settings
- Inconsistent behavior when switching devices

**Requested features**

- Artnet support for lighting automation
- Siri/voice control integration
- Dedicated desktop/tablet app
- Improved background operation and reconnection
- More comprehensive tutorials and documentation


### Ascend Audio

[App page](https://appshunter.io/ios/app/ascend-audio/id1561782171)

This utility app helps users set up and control the Dutch & Dutch 8c audio system. It allows for custom filter profiles, room correction, and mode adjustments. Users can also manage firmware updates through the application.

**Highlights:** Initial setup guidance, Custom filter profiles, Room correction, Input and phase mode switching, Firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sidus Link free?

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

### Is Ascend Audio free?

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

### Do Sidus Link or Ascend Audio have ads?

Neither Sidus Link nor Ascend Audio shows ads.

### Which is updated more often, Sidus Link or Ascend Audio?

Sidus Link ships an update every 2 weeks, and Ascend Audio every 4 months. Most recently, Sidus Link was updated on October 21, 2026 and Ascend Audio on October 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.*