# Interactive Physics Simulator vs PE & FE Exam Prep

The clearest difference is price: PE & FE Exam Prep at Free against Interactive Physics Simulator's $4.99. Interactive Physics Simulator's advantage is in-app purchases (none vs 8) and device support (4 vs 2). On ads and iOS requirement there is nothing between them.

PE & FE Exam Prep is free to download; Interactive Physics Simulator costs $4.99 up front. PE & FE Exam Prep sells 8 one-off in-app purchases. Interactive Physics Simulator asks for nothing beyond the download.

## The numbers

| Metric | Interactive Physics Simulator | PE & FE Exam Prep |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interactive-physics-simulator/id6755827134/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Paid | — |
| Size | 9 MB | 9 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dietmar Henrich](https://appshunter.io/developer/1856587905) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## What reviewers say

### Interactive Physics Simulator

[App page](https://appshunter.io/ios/app/interactive-physics-simulator/id6755827134)

Explore over 100 real-time physics simulations across 38 modules, covering classical, modern, quantum, and medical physics. Visualize complex phenomena with adjustable parameters, formulas, and immediate visual feedback. Ideal for students and educators seeking an interactive learning laboratory.

**Highlights:** 100+ interactive simulations, 38 physics modules, Real-time parameter control, Adjustable sliders with visual feedback, Formulas and numerical results displayed, Quiz mode for testing understanding, Support for 12 languages

**In-app purchases:** none


### PE & FE Exam Prep

[App page](https://appshunter.io/ios/app/pe-and-fe-exam-prep-pe-license/id6771531436)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FE Civil Exam | $6.99 | one-time |
| FE Electrical & Computer | $6.99 | one-time |
| FE Mechanical | $6.99 | one-time |
| FE Other Disciplines | $6.99 | one-time |
| PE Civil | $6.99 | one-time |
| PE Electrical & Computer | $6.99 | one-time |
| PE Mechanical | $6.99 | one-time |
| All Access - 7 Disciplines | $9.99 | one-time |


## Frequently asked questions

### Is Interactive Physics Simulator free?

Interactive Physics Simulator costs $4.99, with no in-app purchases.

### Is PE & FE Exam Prep free?

PE & FE Exam Prep is free to download, with in-app purchases available.

### Do Interactive Physics Simulator or PE & FE Exam Prep have ads?

Neither Interactive Physics Simulator nor PE & FE Exam Prep shows ads.

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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.*