# Physics Playground App vs Time Dilation Explorer Lab

The clearest difference is in-app purchases: Physics Playground App at none against Time Dilation Explorer Lab's 1. Physics Playground App also leads on ads (none vs shown) and iOS requirement (18 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Time Dilation Explorer Lab sells 1 one-off in-app purchase. Physics Playground App asks for nothing beyond the download.

## The numbers

| Metric | Physics Playground App | Time Dilation Explorer Lab |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 29 MB | 16 MB |
| Requires iOS | **18** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AJA Digital LLC](https://appshunter.io/developer/1329243304) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### 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


### Time Dilation Explorer Lab

[App page](https://appshunter.io/ios/app/time-dilation-explorer-lab/id6773199521)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Physics Playground App free?

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

### Is Time Dilation Explorer Lab free?

Time Dilation Explorer Lab is free to download, with in-app purchases available.

### Do Physics Playground App or Time Dilation Explorer Lab have ads?

Time Dilation Explorer Lab shows ads; Physics Playground App does not.

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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.*