MindDuel

MindDuel is social brain training for iPhone. Solve mental challenges as fast and accurately as you can, compete against friends in real time, and climb weekly leagues.

GAME MODES • Pi – how many decimals can you remember? • Math – mental arithmetic against the clock • Brain teasers – patterns, logic and memory • Knowledge quiz – geography, history, science, physics, chemistry, sport, grammar and more • Server-delivered categories – art, film, music, literature, TV, celebrities, cars, politics, video games, wildlife and more, with fresh content updated regularly

PLAY TOGETHER • Turn-based multiplayer with friend invites • Friends list and activity feed • Leaderboards for friends, local and global • Weekly leagues with promotion and relegation

STAY SHARP • Continuous progression per mode • Daily streaks and reminders • Scoring based on both accuracy and speed • Practice rounds that don't use your daily quota

FREE TO PLAY Play every mode free with up to 100 tasks per day. Upgrade to Premium for unlimited play and no daily quota – as a monthly or yearly subscription, or a one-time purchase for lifetime access.

PRIVACY Sign in with Apple. We never store your precise location – only a coarse radius lookup for the "nearby" leaderboard. You can delete your account and all associated data from the profile page at any time. Data is stored in the EU.

SUBSCRIPTION & TERMS Premium is offered as a monthly subscription (9 kr/month) or a yearly subscription (99 kr/year). A subscription renews automatically unless cancelled at least 24 hours before the end of the period; manage or cancel in your App Store settings. Privacy Policy: https://mindduel-production-1180.up.railway.app/privacy — Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/