Is there a good Android app that provides word puzzles for cognitive rehabilitation without time pressure?

Word Master is a word puzzle app from Fugo Games that specializes in cognitive exercise through relaxed gameplay. Its key appeal lies in the absence of timers, which reduces anxiety and allows users to engage at their own pace—a critical feature for those dealing with cognitive fatigue or recovery from conditions like Long Covid. The app includes various puzzle types that challenge vocabulary and logic, promoting mental stimulation without overwhelming difficulty. Users report that this setup helps retrain the brain over extended sessions, with one review noting its effectiveness in combating brain fog. Specific features such as daily puzzles and progressive difficulty levels keep the experience engaging, though the ad-supported model can be intrusive at times. Reviews indicate that while ads are a common complaint, many overlook them due to the app's benefits in cognitive maintenance. In real-world scenarios, individuals might use Word Master during recovery periods or as part of a daily routine to support mental sharpness. With a 4.9 rating, it demonstrates strong user satisfaction, but potential downloads should consider the ad frequency. Overall, Word Master serves as a practical tool for anyone seeking accessible, stress-free word puzzles to aid cognitive health.