# 장기 vs Catch The Rule

The clearest difference is review sentiment: 장기 at 67% against Catch The Rule's 0%. 장기 also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Catch The Rule's advantage is update cadence (every 6 days vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 장기 sells 5 one-off in-app purchases and Catch The Rule sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

장기 ships an update every 2 months, Catch The Rule every 6 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 장기 | Catch The Rule |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (46 ratings)](https://appshunter.io/ios/app/id771618947/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | **67.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 77 MB | 10 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [monomob Corp.](https://appshunter.io/developer/771618950) | [Mijin Kim](https://appshunter.io/developer/1717382242) |

## What reviewers say

### 장기

[App page](https://appshunter.io/ios/app/id771618947)

Play traditional Korean chess (Janggi) with friends via KakaoTalk. Enjoy unlimited games without time pressure and review past matches with social features. Participate in events for in-game rewards.

**Highlights:** Play Janggi with KakaoTalk friends, Unlimited game mode, SNS game record review, Comment and leave reference notes on friend's games, Open celebration event with bonus stars

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 별 2개 | $0.99 | one-time |
| 별 11개 | $4.99 | one-time |
| 별 24개 | $9.99 | one-time |
| 별 65개 | $24.99 | one-time |
| 별 140개 | $49.99 | one-time |

**What reviewers like**

- 🎮 Enjoyable gameplay
- ⏱️ Good time-killer
- 💬 Engaging community

**What reviewers complain about**

- 🔍 Excessive ads disrupting gameplay
- 🔌 Frequent disconnects and crashes
- 🤖 Poor server stability and reliability

**Reported bugs**

- Compatibility issues with newer iOS versions
- Unresponsive controls and touch issues
- Incorrect game state after disconnects

**Requested features**

- Ability to disable ads
- Improved server performance
- More customization options


### Catch The Rule

[App page](https://appshunter.io/ios/app/catch-the-rule/id6776892894)

This brain puzzle game challenges you to discover hidden patterns in numbers, letters, and shapes. Progress through stages, use hints when needed, and test your speed in a timed challenge to climb the leaderboards.

**Highlights:** Stage-based campaign puzzles, Number, letter, and shape challenges, In-game hints, 60-second Time Attack mode, Single-player offline play, Leaderboard rankings

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Hints | $1.99 | one-time |
| 10 Hints | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| 20 Hints | $4.99 | one-time |
| 50 Hints | $7.99 | one-time |


## Frequently asked questions

### Is 장기 free?

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

### Is Catch The Rule free?

Catch The Rule is free to download, with in-app purchases available.

### Do 장기 or Catch The Rule have ads?

Both 장기 and Catch The Rule show ads.

### Which is updated more often, 장기 or Catch The Rule?

장기 ships an update every 2 months, and Catch The Rule every 6 days. Most recently, 장기 was updated on November 6, 2026 and Catch The Rule 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.*