# Sidus Link vs CineMath

The clearest difference is rating: CineMath at 5.0 against Sidus Link's 4.3. CineMath also leads on review sentiment (100% vs 70%) and update cadence (every 4 days vs every 2 weeks). Sidus Link's advantage is in-app purchases (none vs 1) and ratings volume (626 vs 11). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CineMath sells 1 one-off in-app purchase. Sidus Link asks for nothing beyond the download.

CineMath 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 11, so its average is the more settled of the two. Written reviews point the same way: 70% of Sidus Link's written reviews are positive against 100% of CineMath's.

Sidus Link ships an update every 2 weeks, CineMath every 4 days. The most recent releases landed on August 26, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Sidus Link | CineMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (626 ratings)](https://appshunter.io/ios/app/sidus-link/id1471951977/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/cinemath/id6742495949/reviews)** |
| Number of ratings | **626** | 11 |
| Positive reviews | 69.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 381 MB | 7 MB |
| Requires iOS | **15** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sidus Link Ltd.](https://appshunter.io/developer/1546027954) | [Bradford Operations LLC](https://appshunter.io/developer/1771744681) |

## 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


### CineMath

[App page](https://appshunter.io/ios/app/cinemath/id6742495949)

This app provides filmmakers and video professionals with a suite of twelve frame-accurate calculation tools. It helps with speed percentages, clip length adjustments, bitrate calculations, upload times, and more. Supports various frame rates, film formats, and offers offline operation.

**Highlights:** Frame-accurate calculations, Speed percentage calculator, Target length and bitrate tools, Timecode and frame conversion, Aspect ratio calculations, Offline operation, Supports multiple film formats

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CineMath Professional | $4.99 | one-time |


## Frequently asked questions

### Is Sidus Link free?

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

### Is CineMath free?

CineMath is free to download, with in-app purchases available.

### Which has better reviews, Sidus Link or CineMath?

CineMath is rated higher. Sidus Link averages 4.3 out of 5 from 626 ratings, while CineMath averages 5.0 from 11 ratings.

### Do Sidus Link or CineMath have ads?

Neither Sidus Link nor CineMath shows ads.

### Which is updated more often, Sidus Link or CineMath?

Sidus Link ships an update every 2 weeks, and CineMath every 4 days. Most recently, Sidus Link was updated on August 26, 2026 and CineMath on September 6, 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.*