Comparison

O vs X Duel vs Ghost Run 3D

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

Head to head
About

O vs X Duel

Features
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---- Classic TicTacToe has evolved! ---- Face-to-face battle | Smart computer challenge Play TicTacToe with friends anytime, anywhere, and kill time easily! Challenge two computer opponents of different difficulty levels to test your strategy and wisdom. Can you beat the computer in hard mode? ---- Game Features ---- Classic Mode โ–  Play against friends on the same machine to relive the fun of childhood! โ–  Or choose a computer opponent and challenge it alone anytime, anywhere. Endless Mode โ–  Both sides can only place up to 3 O or X. โ–  Starting from the 4th, the oldest piece will automatically disappear! โ–  The strongest strategy and tactics are required to challenge the limits of your brainpower! Obstacle Mode โ–  At the beginning of the game, you cannot place chess pieces on a random grid, which adds variables and challenges! โ–  Other rules are the same as the endless mode, which tests your ability to respond on the spot. Download now and start the brain showdown! Whether you are playing with friends or playing against the computer, it can bring you unlimited fun and challenges. Come and experience the new gameplay!

About

Ghost Run 3D

Features
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Ghost Run 3D is a video game where you control a Ghost to avoid obstacles in sceneries like a Cemetery, a Haunted Forest, and Ruins in the Skies.

Screenshots

O vs X Duel4 screens
Ghost Run 3D2 screens

Verdict

The call

The clearest difference is ads: Ghost Run 3D at none against O vs X Duel's shown. O vs X Duel's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

O vs X Duel ships an update weekly, Ghost Run 3D every 2 weeks. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard3 real differences ยท 3 level
O vs X Duel versus Ghost Run 3D: the parameters behind the verdict, then further details
ParameterO vs X DuelGhost Run 3D
PriceFreeFree
Update frequencyWeekly โ€” betterEvery 2 weeks
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 โ€” better15.6
Further details โ€” not scored
Size115 MB355 MB
Age rating4+4+
DeveloperCheng-Kai WuSebastien Champmartin

In-app purchases

None

O vs X Duel

No in-app purchases

None

Ghost Run 3D

No in-app purchases

Questions

Is O vs X Duel free?
O vs X Duel is free to download, with no in-app purchases.
Is Ghost Run 3D free?
Ghost Run 3D is free to download, with no in-app purchases.
Do O vs X Duel or Ghost Run 3D have ads?
O vs X Duel shows ads; Ghost Run 3D does not.
Which is updated more often, O vs X Duel or Ghost Run 3D?
O vs X Duel ships an update weekly, and Ghost Run 3D every 2 weeks. Most recently, O vs X Duel was updated on October 30, 2026 and Ghost Run 3D on October 28, 2026.

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