# Lesson On vs Nucleus

The clearest difference is iOS requirement: Nucleus at 13.0 against Lesson On's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Lesson On | Nucleus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 32 MB | 33 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Moon Su Choi](https://appshunter.io/developer/1888959670) | [Junaid Ahmad](https://appshunter.io/developer/6789724552) |

## What reviewers say

### Lesson On

[App page](https://appshunter.io/ios/app/lesson-on/id6761332046)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nucleus

[App page](https://appshunter.io/ios/app/nucleus-inforida/id6789724550)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lesson On free?

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

### Is Nucleus free?

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

### Do Lesson On or Nucleus have ads?

Neither Lesson On nor Nucleus shows ads.

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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.*