# 忘却曲線スケジュール vs KeBan

The clearest difference is in-app purchases: KeBan at none against 忘却曲線スケジュール's 4. 忘却曲線スケジュール's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. 忘却曲線スケジュール sells 4 in-app purchases, starting at $1.99 per month. KeBan asks for nothing beyond the download.

## The numbers

| Metric | 忘却曲線スケジュール | KeBan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Size | 12 MB | 83 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PIXCLOWN CO., LTD.](https://appshunter.io/developer/1825514980) | [CHI-YU WU](https://appshunter.io/developer/1836860355) |

## What reviewers say

### 忘却曲線スケジュール

[App page](https://appshunter.io/ios/app/id6751126403)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal 月額プラン | $1.99 | per month |
| Pro 月額プラン | $5.99 | per month |
| Personal 年額プラン | $19.99 | per year |
| Pro 年額プラン | $59.99 | per year |


### KeBan

[App page](https://appshunter.io/ios/app/keban-study-planner/id6753966652)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 忘却曲線スケジュール free?

忘却曲線スケジュール is free to download, with in-app purchases available.

### Is KeBan free?

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

### Do 忘却曲線スケジュール or KeBan have ads?

KeBan shows ads; 忘却曲線スケジュール does not.

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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.*