# Space Knowledge Quiz vs AP Physics Practice Pro

The clearest difference is price: Space Knowledge Quiz at Free against AP Physics Practice Pro's $0.49. AP Physics Practice Pro's advantage is in-app purchases (none vs 7) and ads (none vs shown). On device support there is nothing between them.

Space Knowledge Quiz is free to download; AP Physics Practice Pro costs $0.49 up front. Space Knowledge Quiz sells 7 in-app purchases, starting at $1.99 per 7 days. AP Physics Practice Pro asks for nothing beyond the download.

## The numbers

| Metric | Space Knowledge Quiz | AP Physics Practice Pro |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/space-knowledge-quiz/id1170803086/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 127 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Asad Shoaib](https://appshunter.io/developer/1142302870) | [Manish Kumar](https://appshunter.io/developer/1854995154) |

## What reviewers say

### Space Knowledge Quiz

[App page](https://appshunter.io/ios/app/space-knowledge-quiz/id1170803086)

Test your knowledge of planets, galaxies, and space exploration with thousands of multiple-choice questions. Earn badges, track progress, and compete with friends. Ideal for students and trivia enthusiasts curious about the cosmos.

**Highlights:** Thousands of astronomy questions, Multiple-choice format, Progress tracking and statistics, Multiplayer mode, Timed tests for exam prep, Regular updates with new content

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - No Ads & Unlock Topics | $1.99 | per 7 days |
| Pro - No Ads & Unlock Topics | $5.99 | per month |
| Pro - No Ads & Unlock Topics | $19.99 | per year |
| Half Eliminator | $0.99 | one-time |
| Reset Timer | $0.99 | one-time |
| Unlock Topics | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


### AP Physics Practice Pro

[App page](https://appshunter.io/ios/app/ap-physics-practice-pro/id6756355105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Knowledge Quiz free?

Space Knowledge Quiz is free to download, with in-app purchases available.

### Is AP Physics Practice Pro free?

AP Physics Practice Pro costs $0.49, with no in-app purchases.

### Do Space Knowledge Quiz or AP Physics Practice Pro have ads?

Space Knowledge Quiz shows ads; AP Physics Practice Pro 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.*