The best effort iq apps on iPhone average 4.5โ across 177+ titles โ we've ranked them by what real users actually keep on their phones. Updated May 2026.
Train your brain with a collection of challenging puzzles and games that help sharpen your cognitive skills and improve memory retention. Challenge yourself daily and track your progress to unlock new levels and achieve mental agility.
What We Love
๐ Challenging puzzles
๐ Helps with brain memory
๐ Productive and enjoyable
๐ Good for brain training
Room to Improve
โฑ๏ธ Stressful timed puzzles
๐ฐ Aggressive monetization with ads and paywalls