Quantum VJ HD vs rhodopsin
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).
rhodopsin
This app is a video synthesizer designed for live performances. It allows users to mix video sources and apply a series of three effects. Parameters for sources, mixers, and effects can be manipulated using LFOs, envelopes, and MIDI.
- Video source mixing
- Three sequential effects
- LFO and envelope control
- MIDI parameter control
- Live performance focused
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rhodopsin is a video synthesizer for live video performances. It feeds video sources into a mixer into three effects in series. Source, mixer and effect parameters can be controlled by LFOs, envelopes and MIDI.
Screenshots
Verdict
The clearest difference is price: Quantum VJ HD at $1.99 against rhodopsin's $9.99. Quantum VJ HD also leads on iOS requirement (12.0 vs 15.0). rhodopsin's advantage is update cadence (every 2 months vs every 35 months). 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
Quantum VJ HD costs $1.99 and rhodopsin $9.99 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 rhodopsin. Both are backed by a comparable volume of ratings — 10 and 25 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Quantum VJ HD ships an update every 35 months, rhodopsin every 2 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.
| Parameter | Quantum VJ HD | rhodopsin |
|---|---|---|
| Price | $1.99 — better | $9.99 |
| Rating | 5.0 (10 ratings) | 5.0 (25 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 10 | 25 — better |
| Update frequency | Every 35 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 292 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Zolotov | Christopher Barth |
Customer experience
Quantum VJ HD
rhodopsin
In-app purchases
Quantum VJ HD
No in-app purchases
rhodopsin
No in-app purchases
Questions
Is Quantum VJ HD free?
Is rhodopsin free?
Which has better reviews, Quantum VJ HD or rhodopsin?
Do Quantum VJ HD or rhodopsin have ads?
Which is updated more often, Quantum VJ HD or rhodopsin?
Other comparisons
