# Transparent red sheet vs 韓国語の漢字単語帳アプリ

The clearest difference is in-app purchases: Transparent red sheet at none against 韓国語の漢字単語帳アプリ's 1. Transparent red sheet also leads on update cadence (every 2 weeks vs every 4 months). 韓国語の漢字単語帳アプリ's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.8.3). On price and device support there is nothing between them.

Both are free to download. 韓国語の漢字単語帳アプリ sells 1 one-off in-app purchase. Transparent red sheet asks for nothing beyond the download.

Transparent red sheet ships an update every 2 weeks, 韓国語の漢字単語帳アプリ every 4 months. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Transparent red sheet | 韓国語の漢字単語帳アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | — | Freemium |
| Size | 37 MB | 27 MB |
| Requires iOS | 15.8.3 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [kotobaz](https://appshunter.io/developer/1634727152) |

## What reviewers say

### Transparent red sheet

[App page](https://appshunter.io/ios/app/transparent-red-sheet/id6502324719)

**Features:** macOS Compatibility

**In-app purchases:** none


### 韓国語の漢字単語帳アプリ

[App page](https://appshunter.io/ios/app/k-roots/id6753967732)

Learn Korean Kanji vocabulary systematically, from reading to practical usage. Master over 1,000 characters through interactive exercises, native pronunciation, and handwriting practice. Understand the etymology of words for deeper comprehension.

**Highlights:** Systematic Kanji learning, Etymology-based memorization, Native pronunciation audio, Handwriting practice, Quiz-style learning, Favorite word registration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $2.99 | one-time |


## Frequently asked questions

### Is Transparent red sheet free?

Transparent red sheet is free to download, with no in-app purchases.

### Is 韓国語の漢字単語帳アプリ free?

韓国語の漢字単語帳アプリ is free to download, with in-app purchases available.

### Do Transparent red sheet or 韓国語の漢字単語帳アプリ have ads?

Transparent red sheet shows ads; 韓国語の漢字単語帳アプリ does not.

### Which is updated more often, Transparent red sheet or 韓国語の漢字単語帳アプリ?

Transparent red sheet ships an update every 2 weeks, and 韓国語の漢字単語帳アプリ every 4 months. Most recently, Transparent red sheet was updated on September 14, 2026 and 韓国語の漢字単語帳アプリ on September 23, 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.*