# LessonTree vs 작쌤 Jakssem

The clearest difference is in-app purchases: 작쌤 Jakssem at none against LessonTree's 2. 작쌤 Jakssem also leads on update cadence (daily vs every 2 months) and iOS requirement (15.0 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. LessonTree sells 2 in-app purchases, starting at $1.99 per month. 작쌤 Jakssem asks for nothing beyond the download.

LessonTree ships an update every 2 months, 작쌤 Jakssem daily. The most recent releases landed on October 19, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | LessonTree | 작쌤 Jakssem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 12 MB | 55 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社リモシア](https://appshunter.io/developer/1639657831) | [Jakssem Inc.](https://appshunter.io/developer/6810133256) |

## What reviewers say

### LessonTree

[App page](https://appshunter.io/ios/app/lessontree-lesson-journal/id6760742061)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $1.99 | per month |
| Pro (Yearly) | $24.99 | per year |


### 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 LessonTree free?

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

### Is 작쌤 Jakssem free?

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

### Do LessonTree or 작쌤 Jakssem have ads?

Neither LessonTree nor 작쌤 Jakssem shows ads.

### Which is updated more often, LessonTree or 작쌤 Jakssem?

LessonTree ships an update every 2 months, and 작쌤 Jakssem daily. Most recently, LessonTree was updated on October 19, 2026 and 작쌤 Jakssem on October 26, 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.*