# Scratch Ghost 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 Scratch Ghost's 1. Scratch Ghost's advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (8.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Scratch Ghost sells 1 one-off in-app purchase. インベーダー J asks for nothing beyond the download.

Scratch Ghost ships an update every 5 days, インベーダー J every 2 months. The most recent releases landed on June 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Scratch Ghost | インベーダー J |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/scratch-ghost/id1291195203/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 286 MB | 18 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Y factory](https://appshunter.io/developer/352553439) | [takayuki atsumi](https://appshunter.io/developer/1495474977) |

## What reviewers say

### Scratch Ghost

[App page](https://appshunter.io/ios/app/scratch-ghost/id1291195203)

Engage in a unique lottery experience by scratching off tickets to reveal spooky ghosts. Catch and imprison these mischievous spirits, then observe their amusing daily lives and wild dance parties. Collect all the unique ghosts in this thrilling and bizarre game.

**Highlights:** Realistic ghost scratching actions, Thrilling suspenseful gameplay, Unique spooky Halloween ghosts, Crazy animation effects, Hunt and catch ghosts, Mystery prison for collected ghosts, Observe ghost daily lives and dance parties

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Ghost Tickets | $2.99 | 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 Scratch Ghost free?

Scratch Ghost 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 Scratch Ghost or インベーダー J have ads?

Neither Scratch Ghost nor インベーダー J shows ads.

### Which is updated more often, Scratch Ghost or インベーダー J?

Scratch Ghost ships an update every 5 days, and インベーダー J every 2 months. Most recently, Scratch Ghost was updated on June 3, 2026 and インベーダー J on September 25, 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.*