# 레몬 vs Lesson On

The clearest difference is update cadence: Lesson On at weekly against 레몬's every 3 weeks. 레몬's advantage is iOS requirement (15.0 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.

레몬 ships an update every 3 weeks, Lesson On weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | 레몬 | Lesson On |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 39 MB | 32 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [제이쓰리랩(주)](https://appshunter.io/developer/1780749019) | [Moon Su Choi](https://appshunter.io/developer/1888959670) |

## What reviewers say

### 레몬

[App page](https://appshunter.io/ios/app/id6758643686)

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

**In-app purchases:** none


### Lesson On

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 레몬 free?

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

### Is Lesson On free?

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

### Do 레몬 or Lesson On have ads?

Neither 레몬 nor Lesson On shows ads.

### Which is updated more often, 레몬 or Lesson On?

레몬 ships an update every 3 weeks, and Lesson On weekly. Most recently, 레몬 was updated on October 31, 2026 and Lesson On on October 31, 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.*