Comparison

Marble Mojo 3D vs Perfect Circle OTG

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

Head to head
About

Marble Mojo 3D

Navigate intricate 3D obstacle courses using a colorful marble. Control the marble by tilting your device, offering an intuitive, tap-free gameplay experience. Discover a vast array of challenging levels.

Highlights
  • Thousands of 3D obstacle courses
  • Tilt-to-control gameplay
  • Intuitive single-player experience
  • Colorful marble graphics
  • Challenging level design
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Explore thousands of 3D obstacle courses with a single, colorful marble. Tilt your device to control the action -- no tapping required.

About

Perfect Circle OTG

Features
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Perfect Circle OTG is a quick, satisfying drawing challenge: try to draw the most perfect circle by hand. Get instant scoring and a clear breakdown after each attempt—great for bite‑size practice on the go.

Screenshots

Marble Mojo 3D3 screens
Perfect Circle OTG4 screens

Verdict

The call

The clearest difference is in-app purchases: Perfect Circle OTG at none against Marble Mojo 3D's 4. Perfect Circle OTG also leads on update cadence (every 5 days vs every 5 months) and iOS requirement (13.0 vs 17.0). On price, 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

Both are free to download. Marble Mojo 3D sells 4 one-off in-app purchases. Perfect Circle OTG asks for nothing beyond the download.

UpkeepUpdate frequency

Marble Mojo 3D ships an update every 5 months, Perfect Circle OTG every 5 days. The most recent releases landed on June 11, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 6 level
Marble Mojo 3D versus Perfect Circle OTG: the parameters behind the verdict, then further details
ParameterMarble Mojo 3DPerfect Circle OTG
PriceFreeFree
Rating4.3 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 5 monthsEvery 5 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size35 MB23 MB
Age rating4+4+
DeveloperJoseph WiemerJapality Limited

In-app purchases

4 purchases

Marble Mojo 3D

One-time4
  • 30 Coins$0.99
  • Remove ads$0.99
  • 100 Coins$1.99
Show 1 more
  • 200 Coins$2.99
None

Perfect Circle OTG

No in-app purchases

Questions

Is Marble Mojo 3D free?
Marble Mojo 3D is free to download, with in-app purchases available.
Is Perfect Circle OTG free?
Perfect Circle OTG is free to download, with no in-app purchases.
Do Marble Mojo 3D or Perfect Circle OTG have ads?
Both Marble Mojo 3D and Perfect Circle OTG show ads.
Which is updated more often, Marble Mojo 3D or Perfect Circle OTG?
Marble Mojo 3D ships an update every 5 months, and Perfect Circle OTG every 5 days. Most recently, Marble Mojo 3D was updated on June 11, 2026 and Perfect Circle OTG on September 7, 2026.

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