Expanding Tic Tac Toe
Keep expanding. Never boring
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Tic-tac-toe that grows with you. Win - board expands. Pro unlocks Hot Seat, Blitz, Defender, Survival, and Online for $1.99/mo. Single Player stays free.
9×16 is a tic-tac-toe game that grows with you. Win and the board expands; lose and it shrinks. Win streaks compound. Master a 3×3 grid and the next round becomes 5×5. Climb all the way to 15×15.
FREE MODES
• Single Player — you vs AI, expanding boards, escalating difficulty
• Time Attack — 90-second score chase, combo × board size
PRO MODES ($1.99/MONTH)
• Hot Seat — two players, one device
• Blitz — 3s or 5s per move vs AI
• Defender — don't let AI win; draws count as victory
• Survival — streak chase, escalating boards, one loss ends the run
• Online — play remotely with friends, 30s per turn, QR-code invites
DESIGN
Hand-tuned monospace typography, calm dark and light themes, minimalist board, pleasing animations. No ads, no tracking beyond crash diagnostics.
PRO SUBSCRIPTION
$1.99 per month, auto-renews until cancelled. Cancel anytime in your Apple ID subscription settings. Single Player and Time Attack remain free forever.
Terms of Use (EULA): https://9x16.app/terms.html
Privacy Policy: https://9x16.app/privacy.html
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Curiosophy, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- TE&CO, LDA
- Size
- 28.2 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Pro Subscription $1.99
- Copyright
- © 2026 TE&CO, LDA