Quantum VJ HD vs WorldKam
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quantum VJ HD
This app creates dynamic visual effects synchronized with audio input from your microphone or line-in. It allows real-time mixing with your camera feed and supports custom image uploads. Control various visual parameters with intuitive multitouch gestures.
- Audio-reactive graphics
- Real-time camera stream mixing
- Multitouch parameter control
- Custom codeset image upload
- Microphone and Line-in audio input
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Quantum VJ HD is a simple glitch-style audio visualizer. It can receive sound from the microphone or from the Line-in port (depends on the system settings). Sound will be converted to the graphic elements byte by byte. The final video can be mixed with the camera stream in real time. iTunes File Sharing and Wi-Fi can be used, if you want to upload your own codeset images to the app. [ Multitouch control ] (pair of parameters for each new touch) 1st Touch - changing the Mode (horizontally) and the Power (vertically) parameters. 2nd Touch - changing the Color (horizontally) and the Noise (vertically) parameters. 3rd Touch - changing the Camera (horizontally) and the Resolution (vertically) parameters. 4th Touch - changing the Brightness (horizontally) and the Speed (vertically) parameters. Press on the top left corner to hide/show the control panel (fullscreen mode ON/OFF).
WorldKam
Instantly find and book professional photographers and videographers for events, brand launches, or content creation. This service connects businesses and individuals with local talent for on-demand photo and video services.
- Instant booking of creators
- Vetting of local talent
- On-demand photography
- On-demand videography
- Content creation services
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Need a professional shooter for an event, brand launch, or content session right now? Finding, vetting, and booking creators takes days. We do it in seconds. WorldKam is the 'Uber moment' for photography and Videography. Whether you're a company or a brand needing authentic content, or an individual capturing a milestone; from Parties to Penthouses WorldKam connects you with the best local talent to get you photos and videos on your schedule
Screenshots
Verdict
The clearest difference is price: WorldKam at Free against Quantum VJ HD's $1.99. WorldKam also leads on update cadence (every 4 weeks vs every 35 months). Quantum VJ HD's advantage is chart position (#195 vs unranked) and iOS requirement (12.0 vs 15.1). On rating, review sentiment, ratings volume and ads 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
WorldKam is free to download; Quantum VJ HD costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Quantum VJ HD against 5.0 for WorldKam. Both are backed by a comparable volume of ratings — 10 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Quantum VJ HD ships an update every 35 months, WorldKam every 4 weeks. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.
| Parameter | Quantum VJ HD | WorldKam |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (10 ratings) | 5.0 (10 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 10 | 10 |
| Update frequency | Every 35 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #195 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 2 MB | 89 MB |
| Age rating | 4+ | 17+ |
| Developer | Alexander Zolotov | WorldKam |
Customer experience
Quantum VJ HD
WorldKam
In-app purchases
Quantum VJ HD
No in-app purchases
WorldKam
No in-app purchases









