# Space Knowledge Quiz vs World Polyglot

The clearest difference is in-app purchases: World Polyglot at none against Space Knowledge Quiz's 5. World Polyglot also leads on ads (none vs shown) and review sentiment (100% vs 67%). Space Knowledge Quiz's advantage is ratings volume (11 vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Space Knowledge Quiz sells 5 in-app purchases, starting at $1.99 per 7 days. World Polyglot asks for nothing beyond the download.

World Polyglot holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Space Knowledge Quiz has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Space Knowledge Quiz's written reviews are positive against 100% of World Polyglot's.

Space Knowledge Quiz ships an update every 4 months, World Polyglot every 2 days. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Space Knowledge Quiz | World Polyglot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (11 ratings)](https://appshunter.io/ios/app/space-knowledge-quiz/id1170803086/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/world-polyglot/id6753817777/reviews)** |
| Number of ratings | **11** | 2 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 127 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Shoaib](https://appshunter.io/developer/1142302870) | [OPQC Labs Inc.](https://appshunter.io/developer/1802519913) |

## 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 (5)**

| 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 |


### World Polyglot

[App page](https://appshunter.io/ios/app/world-polyglot/id6753817777)

Practice speaking and writing in six languages through natural conversations with an AI buddy. Focus on real-world dialogue and cultural nuances to build fluency and confidence.

**Highlights:** AI language buddy for conversation, Practice speaking and writing, Learn idioms and culture, Personalized interests, Progress tracking, Six supported languages

**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 World Polyglot free?

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

### Which has better reviews, Space Knowledge Quiz or World Polyglot?

World Polyglot is rated higher. Space Knowledge Quiz averages 4.6 out of 5 from 11 ratings, while World Polyglot averages 5.0 from 2 ratings.

### Do Space Knowledge Quiz or World Polyglot have ads?

Space Knowledge Quiz shows ads; World Polyglot does not.

### Which is updated more often, Space Knowledge Quiz or World Polyglot?

Space Knowledge Quiz ships an update every 4 months, and World Polyglot every 2 days. Most recently, Space Knowledge Quiz was updated on November 6, 2026 and World Polyglot on October 30, 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.*