# VR Science Lab vs Mahjong Shifu

The clearest difference is in-app purchases: VR Science Lab at none against Mahjong Shifu's 1. VR Science Lab also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Mahjong Shifu's advantage is update cadence (every 8 days vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Mahjong Shifu sells 1 one-off in-app purchase. VR Science Lab asks for nothing beyond the download.

VR Science Lab ships an update every 2 months, Mahjong Shifu every 8 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | VR Science Lab | Mahjong Shifu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (13 ratings)](https://appshunter.io/ios/app/vr-science-lab/id1507249907/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 976 MB | 30 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abacus](https://appshunter.io/developer/1486425022) | [Shanghai Lingsihuan Information Technology Co.,Ltd](https://appshunter.io/developer/6802187573) |

## What reviewers say

### VR Science Lab

[App page](https://appshunter.io/ios/app/vr-science-lab/id1507249907)

Explore scientific principles through 25 engaging augmented and virtual reality experiments. Learn about chemical reactions, sound waves, and acidity with hands-on activities like volcano eruptions and slime making. Requires a physical kit to activate the AR/VR experiences.

**Highlights:** 25 AR/VR science experiments, Learn chemical reactions, Explore sound waves, Understand acidity, Hands-on activities, Augmented and virtual reality integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Mahjong Shifu

[App page](https://appshunter.io/ios/app/mahjong-shifu/id6802187571)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mahjong Foundation Unlock | $6.99 | one-time |


## Frequently asked questions

### Is VR Science Lab free?

VR Science Lab is free to download, with no in-app purchases.

### Is Mahjong Shifu free?

Mahjong Shifu is free to download, with in-app purchases available.

### Do VR Science Lab or Mahjong Shifu have ads?

Neither VR Science Lab nor Mahjong Shifu shows ads.

### Which is updated more often, VR Science Lab or Mahjong Shifu?

VR Science Lab ships an update every 2 months, and Mahjong Shifu every 8 days. Most recently, VR Science Lab was updated on November 9, 2026 and Mahjong Shifu on October 31, 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.*