# Science vs CosmoQuest Ai

The clearest difference is price: CosmoQuest Ai at Free against Science's $1.99. CosmoQuest Ai also leads on update cadence (every 6 months vs every 44 months). Science's advantage is iOS requirement (11.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

CosmoQuest Ai is free to download; Science costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Science ships an update every 44 months, CosmoQuest Ai every 6 months. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Science | CosmoQuest Ai |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/science-learn-astronomy/id1386724191/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 6 months** |
| Monetization | Paid | — |
| Size | 20 MB | 21 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Coskun CAKIR](https://appshunter.io/developer/482066275) | [pezhman mohammadzadehkordestani](https://appshunter.io/developer/1888276473) |

## What reviewers say

### Science

[App page](https://appshunter.io/ios/app/science-learn-astronomy/id1386724191)

Practice and test your knowledge of astronomy with quizzes and flashcards covering 12 major high school curriculum subjects. Learn about space science, the solar system, and galaxies with detailed explanations and offline access.

**Highlights:** Diagnostic and practice quizzes, Answer explanations, Flashcard study mode, Offline access, Detailed performance tracking, Covers 12 astronomy subjects

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

**In-app purchases:** none


### CosmoQuest Ai

[App page](https://appshunter.io/ios/app/cosmoquest-ai/id6762165168)

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

**In-app purchases:** none


## Frequently asked questions

### Is Science free?

Science costs $1.99, with no in-app purchases.

### Is CosmoQuest Ai free?

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

### Do Science or CosmoQuest Ai have ads?

Neither Science nor CosmoQuest Ai shows ads.

### Which is updated more often, Science or CosmoQuest Ai?

Science ships an update every 44 months, and CosmoQuest Ai every 6 months. Most recently, Science was updated on November 11, 2026 and CosmoQuest Ai on November 9, 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.*