# Physics Playground App vs ViscousJoukowski

Physics Playground App and ViscousJoukowski are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Physics Playground App | ViscousJoukowski |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 24 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AJA Digital LLC](https://appshunter.io/developer/1329243304) | [ManneTroll Solutions](https://appshunter.io/developer/313743954) |

## 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, iPhone Duo support

**In-app purchases:** none


### ViscousJoukowski

[App page](https://appshunter.io/ios/app/viscousjoukowski/id6806776003)

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

**In-app purchases:** none


## Frequently asked questions

### Is Physics Playground App free?

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

### Is ViscousJoukowski free?

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

### Do Physics Playground App or ViscousJoukowski have ads?

Neither Physics Playground App nor ViscousJoukowski shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*