# 课流 vs Lessonday

The clearest difference is iOS requirement: 课流 at 15.0 against Lessonday's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

课流 ships an update every 9 days, Lessonday fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 课流 | Lessonday |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 83 MB | 13 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tianjin Chenwi Technology Co., Ltd](https://appshunter.io/developer/6791138424) | [跃洋 王](https://appshunter.io/developer/1544944093) |

## What reviewers say

### 课流

[App page](https://appshunter.io/ios/app/id6791138422)

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

**In-app purchases:** none


### Lessonday

[App page](https://appshunter.io/ios/app/lessonday-lesson-planner/id6800746278)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is 课流 free?

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

### Is Lessonday free?

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

### Do 课流 or Lessonday have ads?

Neither 课流 nor Lessonday shows ads.

### Which is updated more often, 课流 or Lessonday?

课流 ships an update every 9 days, and Lessonday fortnightly. Most recently, 课流 was updated on November 1, 2026 and Lessonday 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.*