# Luck Cat Jump vs インベーダー J

The clearest difference is in-app purchases: インベーダー J at none against Luck Cat Jump's 4. インベーダー J also leads on update cadence (every 2 months vs every 9 months) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Luck Cat Jump sells 4 one-off in-app purchases. インベーダー J asks for nothing beyond the download.

Luck Cat Jump ships an update every 9 months, インベーダー J every 2 months. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Luck Cat Jump | インベーダー J |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Size | 14 MB | 18 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [turu3net](https://appshunter.io/developer/384356535) | [takayuki atsumi](https://appshunter.io/developer/1495474977) |

## What reviewers say

### Luck Cat Jump

[App page](https://appshunter.io/ios/app/luck-cat-jump/id937890323)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 人運重視福猫３匹パック | $0.99 | one-time |
| 金運重視福猫３匹パック | $0.99 | one-time |
| 開運重視福猫３匹パック | $0.99 | one-time |
| 福猫全部入りパック | $1.99 | one-time |


### インベーダー J

[App page](https://appshunter.io/ios/app/j-invaders-j/id1554028591)

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

**In-app purchases:** none


## Frequently asked questions

### Is Luck Cat Jump free?

Luck Cat Jump is free to download, with in-app purchases available.

### Is インベーダー J free?

インベーダー J is free to download, with no in-app purchases.

### Do Luck Cat Jump or インベーダー J have ads?

Neither Luck Cat Jump nor インベーダー J shows ads.

### Which is updated more often, Luck Cat Jump or インベーダー J?

Luck Cat Jump ships an update every 9 months, and インベーダー J every 2 months. Most recently, Luck Cat Jump was updated on October 24, 2026 and インベーダー J on October 11, 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.*