# 과외로그 vs LessonTree

The clearest difference is in-app purchases: 과외로그 at none against LessonTree's 2. 과외로그 also leads on iOS requirement (15.0 vs 17.2). LessonTree's advantage is update cadence (every 2 months vs every 4 months). 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. 과외로그 asks for nothing beyond the download.

과외로그 ships an update every 4 months, LessonTree every 2 months. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 과외로그 | LessonTree |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 25 MB | 12 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HaEun Kim](https://appshunter.io/developer/1711313351) | [株式会社リモシア](https://appshunter.io/developer/1639657831) |

## What reviewers say

### 과외로그

[App page](https://appshunter.io/ios/app/id6470282118)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 과외로그 free?

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

### Is LessonTree free?

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

### Do 과외로그 or LessonTree have ads?

Neither 과외로그 nor LessonTree shows ads.

### Which is updated more often, 과외로그 or LessonTree?

과외로그 ships an update every 4 months, and LessonTree every 2 months. Most recently, 과외로그 was updated on October 25, 2026 and LessonTree on October 19, 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.*