# ODYSSEY VSEPR Theory vs AP Physics Practice Prep Test

The clearest difference is price: AP Physics Practice Prep Test at Free against ODYSSEY VSEPR Theory's $3.99. AP Physics Practice Prep Test also leads on device support (3 vs 1). ODYSSEY VSEPR Theory's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 13.0). On ads there is nothing between them.

AP Physics Practice Prep Test is free to download; ODYSSEY VSEPR Theory costs $3.99 up front. AP Physics Practice Prep Test sells 1 one-off in-app purchase. ODYSSEY VSEPR Theory asks for nothing beyond the download.

## The numbers

| Metric | ODYSSEY VSEPR Theory | AP Physics Practice Prep Test |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/odyssey-vsepr-theory/id869643629/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Paid | — |
| Size | 23 MB | 47 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wavefunction, Inc](https://appshunter.io/developer/534726809) | [3328833 Nova Scotia Limited](https://appshunter.io/developer/1757830011) |

## What reviewers say

### ODYSSEY VSEPR Theory

[App page](https://appshunter.io/ios/app/odyssey-vsepr-theory/id869643629)

Explore molecular shapes and VSEPR theory with interactive 3D models. Manipulate molecules, measure bond angles, and test your knowledge with quizzes. Ideal for visual learners in introductory chemistry.

**Highlights:** Interactive 3D molecular models, Adjustable model styles, Measure bond lengths and angles, Lone pair and dipole moment visualization, Multiple-choice quizzes, Glossary and comments section

**In-app purchases:** none


### AP Physics Practice Prep Test

[App page](https://appshunter.io/ios/app/ap-physics-practice-prep-test/id6754791777)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is ODYSSEY VSEPR Theory free?

ODYSSEY VSEPR Theory costs $3.99, with no in-app purchases.

### Is AP Physics Practice Prep Test free?

AP Physics Practice Prep Test is free to download, with in-app purchases available.

### Do ODYSSEY VSEPR Theory or AP Physics Practice Prep Test have ads?

Neither ODYSSEY VSEPR Theory nor AP Physics Practice Prep Test 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.*