Comparison

Know Brainer vs Penguin Rotation Puzzle

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

Head to head
About

Know Brainer

Explore fascinating science facts and distinguish truth from fiction. Engage in challenges, discover surprising facts, and compete with others to become the smartest player. This addictive and free game offers a fresh perspective on the world.

Highlights
  • Mind-blowing science facts
  • Distinguish fact from fiction
  • Surprising discoveries
  • Challenge fellow players
  • Free to play
  • Addictive gameplay
Features
Read full description

Launch yourself into the mysterious world of mind-blowing science and atom-splitting facts! Unleash your smarts, wit and intuition to separate fact from fiction. Surprising discoveries and mega prizes await! Challenge fellow players and become the brightest star in the internet galaxy! This app is truly addictive, interesting and completely free. See the world differently and recharge your batteries!

About

Penguin Rotation Puzzle

Features
Read full description

Penguin Rotation Puzzle Guide the penguins and lead them safely to their home! Rotate the penguins before they start moving and watch them march across the stage. Use special plates to change their direction and solve each puzzle. Simple rules, but clever puzzles that require planning and timing! How to Play Guide the penguins and lead them safely into the Penguin House! Penguins move straight in the direction they are facing. When they step on a plate, their direction changes. There are three types of plates: • Rotate 90° • Rotate 180° • Rotate 270° Blue plates can be used as many times as you like. Red plates disappear after being stepped on once. You fail if a penguin falls into the sea, or if penguins collide with each other or with enemy characters! The key is how and when you use the plates. Watch the movement of all the penguins and guide them to the goal! Features • Easy-to-learn puzzle mechanics • Plan the movement of multiple penguins • Avoid collisions and falling into the sea • Cute penguins and relaxing gameplay • Challenge your brain with clever stages

Screenshots

Know Brainer3 screens
Penguin Rotation Puzzle4 screens

Verdict

The call

The clearest difference is ads: Know Brainer at none against Penguin Rotation Puzzle's shown. Know Brainer also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Ā· 6 level
Know Brainer versus Penguin Rotation Puzzle: the parameters behind the verdict, then further details
ParameterKnow BrainerPenguin Rotation Puzzle
PriceFreeFree
Positive reviews80.0% of reviews—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size92 MB103 MB
Age rating4+4+
DeveloperRitorishuichi kimura

In-app purchases

None

Know Brainer

No in-app purchases

None

Penguin Rotation Puzzle

No in-app purchases

Questions

Is Know Brainer free?
Know Brainer is free to download, with no in-app purchases.
Is Penguin Rotation Puzzle free?
Penguin Rotation Puzzle is free to download, with no in-app purchases.
Do Know Brainer or Penguin Rotation Puzzle have ads?
Penguin Rotation Puzzle shows ads; Know Brainer does not.
Which is updated more often, Know Brainer or Penguin Rotation Puzzle?
Know Brainer ships an update every 3 weeks, and Penguin Rotation Puzzle every 3 weeks. Most recently, Know Brainer was updated on November 6, 2026 and Penguin Rotation Puzzle on October 31, 2026.

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