BDT GSU vs ZIGCAM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BDT GSU
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Controller for Turbine Engine
ZIGCAM
This app transforms your iPad or iPhone into a device that transmits real-time depth and camera data using NDI. It integrates seamlessly with development environments like Unreal Engine and broadcast applications such as OBS, allowing you to utilize LiDAR depth data and ARKit information in your preferred PC applications.
- Real-time NDI data transmission
- Emulates iPad/iPhone as data source
- Utilizes LiDAR depth data
- Supports ARKit data
- Integrates with TouchDesigner and Unreal Engine
- Secure and simple operation
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ZIGCAM is an application for building virtual production prototypes and new visual production workflows. Using NDI and NDI metadata, it emulates the iPad and iPhone as devices capable of transmitting depth data and camera data in real time. Because it uses NDI, it can be used out-of-the-box with various development environments such as TouchDesigner and Unreal Engine, as well as broadcast applications such as OBS. With Tablet or Smartphone, you can use LiDAR's highly accurate depth data along with camera images in your favorite PC application. This application is also very simple and secure. This application will allow you to receive the following information to your PC or other device for as long as you want, but will stop all communication the moment you press the "Sending!" button in the application. ・Camera Data ・True Depth (Face Tracking) ・Smoothed Depth (LiDAR) ・Estimated Depth ・Various other ARKit data ZIGCAM provides real-time Face Tracking functionality using the TrueDepth API, but we do not collect, use, disclose, share, or retain any of this data.
Screenshots
Verdict
The clearest difference is in-app purchases: BDT GSU at none against ZIGCAM's 1. ZIGCAM's advantage is update cadence (fortnightly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ZIGCAM sells 1 one-off in-app purchase. BDT GSU asks for nothing beyond the download.
BDT GSU ships an update every 6 months, ZIGCAM fortnightly. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.
| Parameter | BDT GSU | ZIGCAM |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 14.1 |
| Further details — not scored | ||
| Size | 12 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | com.felizcube.bt-engine-viewer | Tech Director's Association |
In-app purchases
BDT GSU
No in-app purchases
ZIGCAM
- Release All Features$7.99
