# TCAD app vs Physics Playground App

The clearest difference is update cadence: Physics Playground App at every 5 days against TCAD app's monthly. TCAD app's advantage is iOS requirement (12.0 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

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

TCAD app ships an update monthly, Physics Playground App every 5 days. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | TCAD app | Physics Playground App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 143 MB | 27 MB |
| Requires iOS | **12.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DEVSIM LLC](https://appshunter.io/developer/1703126059) | [AJA Digital LLC](https://appshunter.io/developer/1329243304) |

## What reviewers say

### TCAD app

[App page](https://appshunter.io/ios/app/tcad-app/id6462515028)

**In-app purchases:** none


### Physics Playground App

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

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

**In-app purchases:** none


## Frequently asked questions

### Is TCAD app free?

TCAD app 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.

### Do TCAD app or Physics Playground App have ads?

Neither TCAD app nor Physics Playground App shows ads.

### Which is updated more often, TCAD app or Physics Playground App?

TCAD app ships an update monthly, and Physics Playground App every 5 days. Most recently, TCAD app was updated on September 16, 2026 and Physics Playground App on September 13, 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.*