Comparison

Blue Attack! vs Janken

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

Head to head
About

Blue Attack!

Engage in an intergalactic war, piloting your squadron against enemy forces. Collect resources from destroyed ships to upgrade your fleet and customize your vessels. Your mission is to protect your carrier and destroy the enemy's home planet.

Highlights
  • Fully customizable ships
  • Ship upgrade system
  • Retro graphical style
  • Global leaderboards
  • Multiple control options
Features
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Attack the Red planet! Blue Attack places you on the front lines of the intergalactic war between the Red and Blue forces. Use the scraps picked up from your enemies' wrecked hulls to turn your squadron into an unstoppable army! Protect your carrier, upgrade your wingmen, and cut a path clean through to your target: the Red home planet! Features: - Fully customizable ships, from speed to weapon capabilities - Clean, retro graphical style - Global leaderboards - Touch, tilt, keyboard, and gamepad controls Reviews: "Does Blue Attack deliver on the promise of the earlier game and notch it up a bit? The short answer, Yes. The longer answer, Hell Yes." -appVersity.com "...a surprisingly fun and deep game... Blue Attack! comes highly recommended." -Touch Arcade "...a graphically unique, intense, and engaging shooter. It features some wonderfully varied gameplay, great power-up system, and great options. Even the tutorial is good. I can’t say enough good things about this game." -148apps: 5/5 stars "Blue Attack! The graphics, music, a very high level of space-shooter game…” -AppBank (Japanese) "There are pretty good chances that you will be playing Blue Attack for many hours after reading this review." -igameme.com "Blue Attack! is a great deal ... don’t miss out on this great space shooter!" -OSX Reality "There is a word I rarely use when reviewing a game: exceptional. Yet, Blue Attack! rightly deserves this description." -TouchMyApps.com

About

Janken

Engage in a fast-paced game of rock, paper, scissors against your device. Success in the game reduces your available time, demanding quick strategic thinking. Explore the historical origins of the game.

Highlights
  • Play against iPhone
  • Time-reducing mechanic
  • Quick thinking required
  • Historical game facts
Features
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Play rock paper scissors against your iPhone! The more you succeed, the more the referee will reduce your remaining time, so think quickly... (Did you know? Janken would have originally meant "stone game" with the pronunciation Jakuken (じゃくけん) now Janken.)

Screenshots

Blue Attack!4 screens
Janken2 screens

Verdict

The call

The clearest difference is review sentiment: Janken at 100% against Blue Attack!'s 89%. Janken also leads on iOS requirement (14.4 vs 16.0). On price, update cadence, ads and in-app purchases 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. Blue Attack! sells 1 one-off in-app purchase and Janken sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Blue Attack! ships an update every 3 months, Janken every 4 months. The most recent releases landed on September 23, 2026 and August 15, 2026 respectively.

Scorecard2 real differences · 8 level
Blue Attack! versus Janken: the parameters behind the verdict, then further details
ParameterBlue Attack!Janken
PriceFreeFree
Rating4.8 (10 ratings) — better—
Positive reviews89.5% of reviews100.0% of reviews — better
Number of ratings10 — better—
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS16.014.4 — better
Further details — not scored
Size12 MB6 MB
Age rating9+4+
DeveloperCat in a Box SoftwareYanis KERRIOU

Customer experience

Blue Attack!

All ratings10 ratings
Positive90.0%
Neutral10.0%
Negative0.0%
Written reviews219 reviews
Positive89.5%
Neutral6.4%
Negative4.1%

Janken

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Blue Attack!

Reported bugs

2 issues
  • Crashes on loading screen after recent update
  • Score submission glitch preventing leaderboard updates

Requested features

5 requests
  • More levels and content for campaign mode
  • Ability to select and replay specific campaign levels
  • Co-op or multiplayer modes
  • More weapon and upgrade options
  • Customizable control schemes

Janken

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Blue Attack!

One-time1
  • Infinite Mode$0.99
1 purchases

Janken

One-time1
  • Buy me a coffee !$0.99

Questions

Is Blue Attack! free?
Blue Attack! is free to download, with in-app purchases available.
Is Janken free?
Janken is free to download, with in-app purchases available.
Do Blue Attack! or Janken have ads?
Neither Blue Attack! nor Janken shows ads.
Which is updated more often, Blue Attack! or Janken?
Blue Attack! ships an update every 3 months, and Janken every 4 months. Most recently, Blue Attack! was updated on September 23, 2026 and Janken on August 15, 2026.

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