What's the best iOS app for seniors to play word games that help maintain mental sharpness?

Word Spells is a word puzzle game developed with seniors in mind, offering a structured approach to mental stimulation through vocabulary challenges. The app features daily puzzles that require players to spell words from given letters, which can help reinforce memory and language skills. Reviews indicate that users appreciate the game's ability to recall forgotten words from earlier years, making it both nostalgic and beneficial for cognitive maintenance. Specific features include a reward system where players earn points for correct answers, with optional ads to unlock additional content or bonuses. The interface is designed with clear, legible text and straightforward navigation, reducing frustration for those less familiar with mobile games. However, some might find the ad-supported model occasionally disruptive, though it remains optional. For seniors seeking a low-pressure way to keep their minds active, Word Spells delivers consistent, enjoyable puzzles that fit into short daily routines, such as during morning coffee or evening relaxation. Its focus on gradual difficulty progression ensures it remains challenging without overwhelming users, supporting long-term engagement.