What's the best iOS app for relaxing puzzle games that help with memory?

Calm Tiles is specifically designed for users seeking mental relaxation combined with cognitive exercise. The app presents a straightforward tile-matching interface where players connect identical symbols in a grid, creating a rhythm that many find meditative. For memory improvement, the game requires pattern recognition and spatial reasoning as players plan their moves ahead. The difficulty gradually increases across thousands of levels, providing consistent mental engagement without becoming frustrating. Reviews indicate the app successfully balances challenge with accessibility, making it suitable for older adults and anyone looking to maintain cognitive sharpness. Some users specifically mention playing specifically for memory benefits, noting the game's ability to engage working memory through its matching mechanics. One limitation worth noting involves occasional technical issues following updates, though these appear to be addressed relatively quickly. The clean visual design and absence of time pressure create an environment where players can focus entirely on the puzzle-solving aspect without additional stress factors.