# 韓国語の漢字単語帳アプリ vs CUE! Time Signal Sync

The clearest difference is review sentiment: CUE! Time Signal Sync at 100% against 韓国語の漢字単語帳アプリ's 0%. CUE! Time Signal Sync also leads on update cadence (every 8 days 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 17.6). On price, in-app purchases, monetization model 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 and CUE! Time Signal Sync sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

韓国語の漢字単語帳アプリ ships an update every 4 months, CUE! Time Signal Sync every 8 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 韓国語の漢字単語帳アプリ | CUE! Time Signal Sync |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 27 MB | 6 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kotobaz](https://appshunter.io/developer/1634727152) | [TAKAO OGASAWARA](https://appshunter.io/developer/1895349758) |

## What reviewers say

### 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 |


### CUE! Time Signal Sync

[App page](https://appshunter.io/ios/app/cue-time-signal-sync/id6769318519)

This app provides highly accurate time synchronization using NTP, offering visual and auditory cues for precise second-level timing. It's ideal for professionals who need to catch exact moments, such as during events, filming, or technical work.

**Highlights:** NTP-based time correction, 57/58/59/00-second countdowns, Signal sounds and haptics, Voice announcements, Landscape display mode, Display dimmer and keep-awake mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### 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.

### Is CUE! Time Signal Sync free?

CUE! Time Signal Sync is free to download, with in-app purchases available.

### Do 韓国語の漢字単語帳アプリ or CUE! Time Signal Sync have ads?

CUE! Time Signal Sync shows ads; 韓国語の漢字単語帳アプリ does not.

### Which is updated more often, 韓国語の漢字単語帳アプリ or CUE! Time Signal Sync?

韓国語の漢字単語帳アプリ ships an update every 4 months, and CUE! Time Signal Sync every 8 days. Most recently, 韓国語の漢字単語帳アプリ was updated on October 30, 2026 and CUE! Time Signal Sync on November 5, 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.*