# Curiosity vs Sophia

The clearest difference is in-app purchases: Curiosity at none against Sophia's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sophia sells 10 in-app purchases, starting at $5.99 per 7 days. Curiosity asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 9, 2026.

## The numbers

| Metric | Curiosity | Sophia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (192 ratings)](https://appshunter.io/ios/app/sophia-general-knowledge/id6760919622/reviews)** |
| Number of ratings | — | **192** |
| Positive reviews | — | 69.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 246 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Javier Cabo Roca](https://appshunter.io/developer/645700643) | [Vik Studios SAS](https://appshunter.io/developer/1896332407) |

## What reviewers say

### Curiosity

[App page](https://appshunter.io/ios/app/curiosity-space-and-science/id6756880503)

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

**In-app purchases:** none


### Sophia

[App page](https://appshunter.io/ios/app/sophia-general-knowledge/id6760919622)

This app offers bite-sized learning opportunities on a wide range of topics including history, science, and economics. Engage with engaging courses, test your knowledge with quizzes, and track your progress to build a strong foundation of general knowledge in just 10 minutes a day.

**Highlights:** Short, dense learning content, Daily quizzes to test knowledge, Progress tracking, Wide range of topics covered, Clean, distraction-free interface, Focus on retention and memorization

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sophia Premium Weekly | $5.99 | per 7 days |
| Sophia Premium Annual | $8.99 | per year |
| Sophia Premium Monthly | $8.99 | per month |
| Sophia Premium Annual | $17.99 | per year |
| Sophia Premium Annual Plan | $17.99 | per year |
| Sophia Premium Annual | $24.99 | per year |
| Sophia Premium Annual Plan | $24.99 | per year |
| Sophia Premium Annual | $34.99 | per year |
| Sophia Premium Annual | $44.99 | per year |
| Sophia Premium Annual | $59.99 | per year |


## Frequently asked questions

### Is Curiosity free?

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

### Is Sophia free?

Sophia is free to download, with in-app purchases available.

### Do Curiosity or Sophia have ads?

Neither Curiosity nor Sophia shows ads.

### Which is updated more often, Curiosity or Sophia?

Curiosity ships an update weekly, and Sophia weekly. Most recently, Curiosity was updated on November 9, 2026 and Sophia 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.*