# Sidus Link vs ETRNL Programmer

The clearest difference is rating: ETRNL Programmer at 5.0 against Sidus Link's 4.3. ETRNL Programmer also leads on review sentiment (100% vs 62%) and iOS requirement (13.0 vs 15). Sidus Link's advantage is ratings volume (626 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

ETRNL Programmer holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Sidus Link has 626 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 62% of Sidus Link's written reviews are positive against 100% of ETRNL Programmer's.

Sidus Link ships an update every 2 weeks, ETRNL Programmer every 4 weeks. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sidus Link | ETRNL Programmer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (626 ratings)](https://appshunter.io/ios/app/sidus-link/id1471951977/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/etrnl-programmer/id6478797077/reviews)** |
| Number of ratings | **626** | 2 |
| Positive reviews | 61.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 381 MB | 61 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) | [Invisible Art, LLC](https://appshunter.io/developer/1439233274) |

## 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


### ETRNL Programmer

[App page](https://appshunter.io/ios/app/etrnl-programmer/id6478797077)

This application allows users to program NTAG424 DNA NFC chips. It connects with the ETRNL platform to facilitate chip configuration.

**Highlights:** Program NTAG424 DNA NFC chips, Connects with ETRNL platform, Facilitates chip configuration

**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 ETRNL Programmer free?

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

### Which has better reviews, Sidus Link or ETRNL Programmer?

ETRNL Programmer is rated higher. Sidus Link averages 4.3 out of 5 from 626 ratings, while ETRNL Programmer averages 5.0 from 2 ratings.

### Do Sidus Link or ETRNL Programmer have ads?

Neither Sidus Link nor ETRNL Programmer shows ads.

### Which is updated more often, Sidus Link or ETRNL Programmer?

Sidus Link ships an update every 2 weeks, and ETRNL Programmer every 4 weeks. Most recently, Sidus Link was updated on October 5, 2026 and ETRNL Programmer on October 3, 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.*