# Quantum VJ HD vs WorldKam

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.

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.

## The numbers

| Metric | Quantum VJ HD | WorldKam |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (10 ratings)](https://appshunter.io/ios/app/quantum-vj-hd/id1188572371/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/worldkam/id6756741828/reviews) |
| Number of ratings | 10 | 10 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 4 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#195** | — |
| Size | 2 MB | 89 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alexander Zolotov](https://appshunter.io/developer/324462547) | [WorldKam](https://appshunter.io/developer/1832348882) |

## What reviewers say

### Quantum VJ HD

[App page](https://appshunter.io/ios/app/quantum-vj-hd/id1188572371)

**Currently charting:** #195 Top Paid · Photo & Video (US App Store)

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.

**Highlights:** Audio-reactive graphics, Real-time camera stream mixing, Multitouch parameter control, Custom codeset image upload, Microphone and Line-in audio input

**Features:** macOS Compatibility

**In-app purchases:** none


### WorldKam

[App page](https://appshunter.io/ios/app/worldkam/id6756741828)

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.

**Highlights:** Instant booking of creators, Vetting of local talent, On-demand photography, On-demand videography, Content creation services

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Quantum VJ HD free?

Quantum VJ HD costs $1.99, with no in-app purchases.

### Is WorldKam free?

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

### Which has better reviews, Quantum VJ HD or WorldKam?

Quantum VJ HD and WorldKam are both rated 5.0 out of 5 on the App Store, from 10 and 10 ratings respectively.

### Do Quantum VJ HD or WorldKam have ads?

Neither Quantum VJ HD nor WorldKam shows ads.

### Which is updated more often, Quantum VJ HD or WorldKam?

Quantum VJ HD ships an update every 35 months, and WorldKam every 4 weeks. Most recently, Quantum VJ HD was updated on October 26, 2026 and WorldKam on October 16, 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.*