# 忘却曲線スケジュール vs TacticalStudy

The clearest difference is in-app purchases: TacticalStudy 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 iOS requirement (15.0 vs 17.6). On price, ads and device support 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. TacticalStudy asks for nothing beyond the download.

## The numbers

| Metric | 忘却曲線スケジュール | TacticalStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 12 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PIXCLOWN CO., LTD.](https://appshunter.io/developer/1825514980) | [Yutaka Mochida](https://appshunter.io/developer/1868628237) |

## 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 |


### TacticalStudy

[App page](https://appshunter.io/ios/app/tacticalstudy/id6757744235)

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

**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 TacticalStudy free?

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

### Do 忘却曲線スケジュール or TacticalStudy have ads?

Neither 忘却曲線スケジュール nor TacticalStudy shows ads.

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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.*