Crazy Marbles vs O
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- 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
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“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!
O
Navigate a spinning circle through challenging obstacles in this minimal action runner. Levels dynamically change direction and flip, testing your reflexes. Compete globally and unlock customizations.
- One-tap gameplay
- Mind-bending geometry
- Randomly generated levels
- Chiptune soundtrack
- Unlockable customizations
- Global leaderboards
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Jump into the spinning circle of O-VOID! In this super minimal action runner, you’ll be jumping over obstacles with the tap of a finger. But this is not a regular platformer! The entire level can change direction or flip upside down to throw you off. Are you skilled enough to survive every challenge? Features: • Simple one-tap gameplay inside mind-bending geometry • 7 randomly generated levels for endless replayability • Unique and pumping chiptune soundtrack • Near impossible challenges to unlock player customizations • Global leaderboards to compete with the world on
Screenshots
Verdict
The clearest difference is price: O at Free against Crazy Marbles's $0.99. O also leads on update cadence (weekly vs every 7 months) and ratings volume (191 vs 5). Crazy Marbles's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment, device support and iOS requirement 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
O is free to download; Crazy Marbles costs $0.99 up front. O sells 1 one-off in-app purchase. Crazy Marbles asks for nothing beyond the download.
Crazy Marbles holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: O has 191 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 78% of Crazy Marbles's written reviews are positive against 72% of O's.
Crazy Marbles ships an update every 7 months, O weekly. The most recent releases landed on September 27, 2026 and October 13, 2026 respectively.
| Parameter | Crazy Marbles | O |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (5 ratings) — better | 4.6 (191 ratings) |
| Positive reviews | 78.3% of reviews — better | 72.4% of reviews |
| Number of ratings | 5 | 191 — better |
| Update frequency | Every 7 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 101 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Rost Solutions | Gearhead Games ApS |
Customer experience
Crazy Marbles
O
Bugs and requests
Crazy Marbles
Not enough reviews yet to summarise bugs or requests.
O
Reported bugs
9 issues- Spinning makes users sick
- Obstacles in later levels require luck/insane reaction time
- Effect does not disappear properly in penultimate level
- Game is glitchy, laggy, and unresponsive
- Revive ad doesn't work/can't close ad
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- Ads during gameplay cause freezes
- Level 6 is impossible
- Ads are annoying and unsolicited
- Forced ads when choosing to restart
Requested features
6 requests- Add more levels
- New dimension/different gameplay principle
- User level creator
- More beats/music synchronization
- Option to turn down color brightness
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- More publicity for leaderboards
In-app purchases
Crazy Marbles
No in-app purchases
O
- No Ads$2.99









