# Lesson On vs Cosmos Tutorial

The clearest difference is update cadence: Lesson On at weekly against Cosmos Tutorial's every 3 months. Cosmos Tutorial's advantage is iOS requirement (15.1 vs 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.

Lesson On ships an update weekly, Cosmos Tutorial every 3 months. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Lesson On | Cosmos Tutorial |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 32 MB | 35 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moon Su Choi](https://appshunter.io/developer/1888959670) | [MUKKERLA DHATHRISH](https://appshunter.io/developer/6775464841) |

## What reviewers say

### Lesson On

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Cosmos Tutorial

[App page](https://appshunter.io/ios/app/cosmos-tutorial/id6775464839)

**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 Cosmos Tutorial free?

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

### Do Lesson On or Cosmos Tutorial have ads?

Neither Lesson On nor Cosmos Tutorial shows ads.

### Which is updated more often, Lesson On or Cosmos Tutorial?

Lesson On ships an update weekly, and Cosmos Tutorial every 3 months. Most recently, Lesson On was updated on September 10, 2026 and Cosmos Tutorial on September 13, 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.*