# Invader Sisters vs インベーダー J

The clearest difference is ads: インベーダー J at none against Invader Sisters's shown. Invader Sisters's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (12.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Invader Sisters ships an update every 2 weeks, インベーダー J every 2 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Invader Sisters | インベーダー J |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 19 MB | 18 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ERX](https://appshunter.io/developer/513941286) | [takayuki atsumi](https://appshunter.io/developer/1495474977) |

## What reviewers say

### Invader Sisters

[App page](https://appshunter.io/ios/app/invader-sisters/id939103577)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Invader Sisters free?

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

### 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 Invader Sisters or インベーダー J have ads?

Invader Sisters shows ads; インベーダー J does not.

### Which is updated more often, Invader Sisters or インベーダー J?

Invader Sisters ships an update every 2 weeks, and インベーダー J every 2 months. Most recently, Invader Sisters was updated on October 5, 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.*