Quantum VJ HD vs MEISAI Σ
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).
MEISAI Σ
This app utilizes LiDAR sensors to create augmented reality effects by recognizing surrounding shapes like walls and floors. It integrates with music to generate dynamic visual experiences, transforming your environment with new visual effects.
- LiDAR-based AR effects
- Recognizes walls and floors
- Music-reactive visuals
- Dynamic environmental effects
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【Works with LiDAR-equipped iPhone/iPad only】 This is an AR effect application that uses LiDAR sensors. It recognizes the shapes of the surroundings such as walls and floors and uses them for effects to bring new visual effects. It also has a function that responds to music.
Screenshots
Verdict
The clearest difference is review sentiment: Quantum VJ HD at 100% against MEISAI Σ's 35%. Quantum VJ HD also leads on rating (5.0 vs 3.5) and chart position (#195 vs unranked). MEISAI Σ's advantage is price (Free vs $1.99) and update cadence (every 2 weeks vs every 35 months). On ratings volume, ads, in-app purchases and device support 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
MEISAI Σ 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.
Quantum VJ HD holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 10 and 8 respectively. Written reviews point the same way: 100% of Quantum VJ HD's written reviews are positive against 35% of MEISAI Σ's.
Quantum VJ HD ships an update every 35 months, MEISAI Σ every 2 weeks. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.
| Parameter | Quantum VJ HD | MEISAI Σ |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (10 ratings) — better | 3.5 (8 ratings) |
| Positive reviews | 100.0% of reviews — better | 35.5% of reviews |
| Number of ratings | 10 — better | 8 |
| Update frequency | Every 35 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #195 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 2 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Zolotov | Takayuki WATANABE |
Customer experience
Quantum VJ HD
MEISAI Σ
In-app purchases
Quantum VJ HD
No in-app purchases
MEISAI Σ
No in-app purchases
