# 赤シート単語帳/英単語/ルート/英語 vs Study Countdown

The clearest difference is in-app purchases: Study Countdown at none against 赤シート単語帳/英単語/ルート/英語's 2. Study Countdown also leads on update cadence (every 8 days vs monthly). 赤シート単語帳/英単語/ルート/英語's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 赤シート単語帳/英単語/ルート/英語 sells 2 in-app purchases, starting at $11.99 per month. Study Countdown asks for nothing beyond the download.

赤シート単語帳/英単語/ルート/英語 ships an update monthly, Study Countdown every 8 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | 赤シート単語帳/英単語/ルート/英語 | Study Countdown |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 8 days** |
| Size | 94 MB | 14 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ryu Komahashi](https://appshunter.io/developer/1685370765) | [kaisei watanabe](https://appshunter.io/developer/1543587757) |

## What reviewers say

### 赤シート単語帳/英単語/ルート/英語

[App page](https://appshunter.io/ios/app/id6748568789)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ヶ月プラン | $11.99 | per month |
| 1年プラン | $49.99 | per year |


### Study Countdown

[App page](https://appshunter.io/ios/app/study-countdown-focus-log/id6765840155)

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

**In-app purchases:** none


## Frequently asked questions

### Is 赤シート単語帳/英単語/ルート/英語 free?

赤シート単語帳/英単語/ルート/英語 is free to download, with in-app purchases available.

### Is Study Countdown free?

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

### Do 赤シート単語帳/英単語/ルート/英語 or Study Countdown have ads?

Study Countdown shows ads; 赤シート単語帳/英単語/ルート/英語 does not.

### Which is updated more often, 赤シート単語帳/英単語/ルート/英語 or Study Countdown?

赤シート単語帳/英単語/ルート/英語 ships an update monthly, and Study Countdown every 8 days. Most recently, 赤シート単語帳/英単語/ルート/英語 was updated on October 7, 2026 and Study Countdown on October 7, 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.*