# 忘却曲線スケジュール vs Rotus

忘却曲線スケジュール and Rotus are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 and Rotus sells 3 in-app purchases, starting at $0.49 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 忘却曲線スケジュール | Rotus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 12 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [PIXCLOWN CO., LTD.](https://appshunter.io/developer/1825514980) | [Anraku Tomomi](https://appshunter.io/developer/6786498222) |

## 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 |


### Rotus

[App page](https://appshunter.io/ios/app/rotus/id6812118089)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rotus pro (weekly) | $0.49 | per 7 days |
| Rotus pro (monthly) | $1.99 | per month |
| Rotus pro | $7.99 | one-time |


## 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 Rotus free?

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

### Do 忘却曲線スケジュール or Rotus have ads?

Neither 忘却曲線スケジュール nor Rotus 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.*