# Sophia vs Noesis

The clearest difference is iOS requirement: Noesis at 16.4 against Sophia's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sophia sells 13 in-app purchases, starting at $5.99 per 7 days and Noesis sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Sophia ships an update every 6 days, Noesis every 10 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sophia | Noesis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (147 ratings)](https://appshunter.io/ios/app/sophia-general-knowledge/id6760919622/reviews)** | — |
| Number of ratings | **147** | — |
| Positive reviews | 69.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 227 MB | 111 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Vik Studios SAS](https://appshunter.io/developer/1896332407) | [Abhishek Chauhan](https://appshunter.io/developer/1886624177) |

## What reviewers say

### Sophia

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

Learn about history, science, philosophy, and more in just 10 minutes a day. This app offers short, engaging lessons with quizzes to test your knowledge and track your progress. It's designed for quick learning and better retention.

**Highlights:** Daily 10-minute lessons, Wide range of subjects, Engaging quiz format, Progress tracking, Ad-free learning experience, Focus on retention

**In-app purchases (13)**

| 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 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 | $34.99 | per year |
| Sophia Premium Annual | $44.99 | per year |
| Sophia Premium Annual | $49.99 | per year |
| Sophia Premium Annual | $59.99 | per year |


### Noesis

[App page](https://appshunter.io/ios/app/noesis-math-physics-finance/id6804661027)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noesis Monthly | $12.99 | per month |
| Noesis Yearly | $34.99 | per year |


## Frequently asked questions

### Is Sophia free?

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

### Is Noesis free?

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

### Do Sophia or Noesis have ads?

Neither Sophia nor Noesis shows ads.

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

Sophia ships an update every 6 days, and Noesis every 10 days. Most recently, Sophia was updated on October 28, 2026 and Noesis on October 25, 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.*