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.
O vs X Duel
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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!
Ghost Run 3D
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | O vs X Duel | Ghost Run 3D |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Every 2 weeks |
| Ads | Yes | No โ better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 15.6 |
| Further details โ not scored | ||
| Size | 115 MB | 355 MB |
| Age rating | 4+ | 4+ |
| Developer | Cheng-Kai Wu | Sebastien Champmartin |
In-app purchases
O vs X Duel
No in-app purchases
Ghost Run 3D
No in-app purchases
Questions
Is O vs X Duel free?
Is Ghost Run 3D free?
Do O vs X Duel or Ghost Run 3D have ads?
Which is updated more often, O vs X Duel or Ghost Run 3D?
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