# Lesson AI vs 작쌤 Jakssem

The clearest difference is update cadence: 작쌤 Jakssem at every 3 days against Lesson AI's every 2 months. Lesson AI's advantage is iOS requirement (13.0 vs 15.0). 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 AI ships an update every 2 months, 작쌤 Jakssem every 3 days. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Lesson AI | 작쌤 Jakssem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 24 MB | 53 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [LOOINSOFT](https://appshunter.io/developer/1896244390) | [Jakssem Inc.](https://appshunter.io/developer/6810133256) |

## What reviewers say

### Lesson AI

[App page](https://appshunter.io/ios/app/lesson-ai/id6770632179)

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

**In-app purchases:** none


### 작쌤 Jakssem

[App page](https://appshunter.io/ios/app/jakssem/id6810133254)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lesson AI free?

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

### Is 작쌤 Jakssem free?

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

### Do Lesson AI or 작쌤 Jakssem have ads?

Neither Lesson AI nor 작쌤 Jakssem shows ads.

### Which is updated more often, Lesson AI or 작쌤 Jakssem?

Lesson AI ships an update every 2 months, and 작쌤 Jakssem every 3 days. Most recently, Lesson AI was updated on October 3, 2026 and 작쌤 Jakssem on October 12, 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.*