249+ iOS apps & games curated and reviewed
The best xo online apps and games on iPhone average 4.6★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (253) | Yes | No | Sep 2026 | |
| 2 |  | Free | 4.5★ (2.7K) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.8★ (68K) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | — | Yes | No | May 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | — | No | Jul 2026 | |
| 7 |  | Free | 4.5★ (797) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 4.5★ (1.1K) | Yes | Yes | Sep 2026 |
Engage in the classic game of Tic Tac Toe with multiple play modes. Challenge AI opponents at various difficulty levels, play with friends via Bluetooth, or compete against players worldwide online. Includes a chat feature for in-game communication.
Enjoy a classic strategy board game experience with this app. Play against friends on the same device, challenge opponents online, or test your skills against the AI. It's a quick and fun pastime for all ages.
Engage in a classic brain teaser, also known as noughts and crosses or xo. This app offers a fun way to challenge your logic skills with various grid sizes and play modes, including single-player, multiplayer, and online challenges.
