# Korette vs 空港コード暗記：３レターマスター!

The clearest difference is in-app purchases: Korette at none against 空港コード暗記：３レターマスター!'s 2. Korette also leads on ads (none vs shown) and device support (3 vs 1). 空港コード暗記：３レターマスター!'s advantage is update cadence (every 6 weeks vs every 3 months). On price there is nothing between them.

Both are free to download. 空港コード暗記：３レターマスター! sells 2 one-off in-app purchases. Korette asks for nothing beyond the download.

Korette ships an update every 3 months, 空港コード暗記：３レターマスター! every 6 weeks. The most recent releases landed on September 8, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Korette | 空港コード暗記：３レターマスター! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 63 MB | 27 MB |
| Requires iOS | **8.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BuildMan](https://appshunter.io/developer/972947161) | [Ayumu Izumi](https://appshunter.io/developer/1822273057) |

## What reviewers say

### Korette

[App page](https://appshunter.io/ios/app/korette/id1446440835)

Engage with trivia quizzes about tourist destinations and regions to plan trips, discover local attractions, and create memories. It's also a great tool for learning about your own city, educating children, and fostering local pride.

**Highlights:** Themed quizzes on specific regions, Filter quizzes by prefecture and city, Mark interesting quizzes as favorites, Access favorite quizzes from a dedicated list, View quiz results including score and accuracy

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

**In-app purchases:** none


### 空港コード暗記：３レターマスター!

[App page](https://appshunter.io/ios/app/id6749082421)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の完全削除のみ | $1.99 | one-time |
| アップグレード版 | $2.99 | one-time |


## Frequently asked questions

### Is Korette free?

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

### Is 空港コード暗記：３レターマスター! free?

空港コード暗記：３レターマスター! is free to download, with in-app purchases available.

### Do Korette or 空港コード暗記：３レターマスター! have ads?

空港コード暗記：３レターマスター! shows ads; Korette does not.

### Which is updated more often, Korette or 空港コード暗記：３レターマスター!?

Korette ships an update every 3 months, and 空港コード暗記：３レターマスター! every 6 weeks. Most recently, Korette was updated on September 8, 2026 and 空港コード暗記：３レターマスター! on September 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*