# Lie group vs Physics Playground App

The clearest difference is device support: Physics Playground App at 2 against Lie group's —. Lie group's advantage is iOS requirement (16.6 vs 18). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Lie group | Physics Playground App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/physics-playground-app/id6773154302/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 6 MB | 29 MB |
| Requires iOS | **16.6** | 18 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [AJA Digital LLC](https://appshunter.io/developer/1329243304) |

## What reviewers say

### Lie group

[App page](https://appshunter.io/ios/app/lie-group/id6759241380)

**In-app purchases:** none


### Physics Playground App

[App page](https://appshunter.io/ios/app/physics-playground-app/id6773154302)

Explore the universe of physics and math through interactive simulations and real-time equation adjustments. Learn concepts from basic counting to advanced theories with hands-on playgrounds and mini-games that earn you badges. Designed for all levels of understanding, from children to PhDs.

**Highlights:** Interactive physics and math playgrounds, Real-time equation adjustments, Adjustable difficulty slider (Child to PhD), Mini-games with badge rewards, Concept map for interconnected ideas, Offline-first functionality, No ads or accounts required

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

**In-app purchases:** none


## Frequently asked questions

### Is Lie group free?

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

### Is Physics Playground App free?

Physics Playground App is free to download, with no in-app purchases.

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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.*