Comparison

Invader Sisters vs インベーダー J

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head

About

Invader Sisters

Features

Read full description

Aim the high score to defeat the enemy invaders! Anyone can play easily, it is a shooting game.

About

インベーダー J

Features

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くろねこ研究所 Kuroneko Lab. クラシカルなインベーダーゲームネコのタンクでインベーダーを迎撃せよスワイプして発射 Classical invaders game. Intercept the Invaders with the cat's tank. Swipe to fire. 全体のハイスコアを表示できるようにしましたみんなのハイスコアを確認しよう自分のハイスコアを更新すると全体ハイスコアに更新されます The overall high score can be displayed. Let's check everyone's high score. If you update your high score, it will be updated to the overall high score. ハイスコアに表示する名前をSettingsで指定可能です You can specify the name to be displayed in the high score in Settings. くろねこ研究所 Kuroneko Lab.

Screenshots

Invader Sisters4 screens

インベーダー J2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 3 level

Invader Sisters versus インベーダー J: the parameters behind the verdict, then further details
Parameter	Invader Sisters	インベーダー J
Price	Free	Free
Update frequency	Every 2 weeks — better	Every 2 months
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.0 — better	15.6
Further details — not scored
Size	19 MB	18 MB
Age rating	4+	4+
Developer	ERX	takayuki atsumi

In-app purchases

None

Invader Sisters

No in-app purchases

None

インベーダー J

No in-app purchases

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.