Comparison

Crazy Marbles vs klang²

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

Head to head
About

Crazy Marbles

A fast-paced puzzle game where players rotate wheels to guide marbles of the same color, triggering chain reactions. It offers increasingly challenging levels and global competition.

Highlights
  • Rotate wheels to guide marbles
  • Match same-colored marbles
  • Trigger explosive chain reactions
  • Innovative obstacles
  • Global competition and leaderboards
  • Optimized controls for iPhone and iPad
Features
Read full description

“Addictive, challenging, and utterly captivating! Crazy Marbles is a fast-paced game that’s incredibly easy to pick up but nearly impossible to put down.” — TAE23, Daily App Show “My absolute favorite! This game is both addicting and challenging, keeping me entertained for hours.” — Giljul, US “Even my wife is hooked! Fast, addictive, and the later levels are a real test of skill.” — Dtale, The Netherlands “Crazy Marbles is a stroke of genius. Completely addictive, I can’t get enough!” — Mrs. May, UK Now available on both iPhone and iPad! Experience Crazy Marbles in its full glory, whether you’re on the go or at home. The control scheme is optimized for each device: • iPad: Rotate the wheel by dragging or flicking it, and release marbles with a simple tap. • iPhone: Tap to rotate the wheel and drag the marbles in the direction you want to launch them. Gameplay: Rotate the wheels and guide your marbles in this high-energy game. Your goal? Fill the wheels with marbles of the same color to trigger explosive chain reactions. Once every wheel has exploded at least once, the level is complete. It sounds easy, but each level presents new and increasingly tricky challenges! With intuitive controls, you’ll effortlessly flick the wheels and tap to release marbles. But don’t be fooled by its simplicity—Crazy Marbles will test your split-second decision-making and strategic focus as you advance through its increasingly complex levels. Features: • Innovative Obstacles: Encounter fresh challenges that will keep you playing for hours. • Global Competition: Beat your own high scores and challenge your friends on Game Center. See how you rank against players worldwide. • Warning: This game is insanely addictive! Remember to take breaks—Crazy Marbles will be waiting for you when you return. Don’t lose your marbles—download Crazy Marbles today!

About

klang²

Read full description

20 sound squares turn your ears upside down. Which bird sings? Which composer sounds? Can you put proverbs together and recognize foreign languages? Place your smartphone with the klang² app open in the middle of the table, place a sound square on the reader and listen carefully: Off you go with your acoustic game collection! ATTENTION: This app only works together with 20 sound squares, which are available via klang2.com.

Screenshots

Crazy Marbles4 screens
klang²4 screens

Verdict

The call

The clearest difference is price: klang² at Free against Crazy Marbles's $0.99. klang² also leads on update cadence (every 2 months vs every 7 months). Crazy Marbles's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 15.6). On ads 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

klang² is free to download; Crazy Marbles costs $0.99 up front. klang² sells 10 one-off in-app purchases. Crazy Marbles asks for nothing beyond the download.

UpkeepUpdate frequency

Crazy Marbles ships an update every 7 months, klang² every 2 months. The most recent releases landed on September 27, 2026 and September 14, 2026 respectively.

Scorecard4 real differences · 6 level
Crazy Marbles versus klang²: the parameters behind the verdict, then further details
ParameterCrazy Marblesklang²
Price$0.99Free — better
Rating5.0 (5 ratings) — better—
Positive reviews78.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size101 MB89 MB
Age rating4+4+
DeveloperRost SolutionsOberlin & Rennertz GmbH

In-app purchases

None

Crazy Marbles

No in-app purchases

10 purchases

klang²

One-time10
  • Klang2 Pro Option 0Free
  • Klang2 Pro Option 1$0.99
  • Bundesländer und Hauptstädte$0.99
Show 7 more
  • Klang2 Pro Option 2$1.99
  • Klang2 Pro Option 3$3.99
  • Volkslieder Premium$3.99
  • Tierisch Menschlich$3.99
  • Klang2 Pro Option 4$7.99
  • Klang2 Pro Option 5$11.99
  • Klang2 Pro Option 6$16.99

Questions

Is Crazy Marbles free?
Crazy Marbles costs $0.99, with no in-app purchases.
Is klang² free?
klang² is free to download, with in-app purchases available.
Do Crazy Marbles or klang² have ads?
Neither Crazy Marbles nor klang² shows ads.
Which is updated more often, Crazy Marbles or klang²?
Crazy Marbles ships an update every 7 months, and klang² every 2 months. Most recently, Crazy Marbles was updated on September 27, 2026 and klang² on September 14, 2026.

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