What's the best Android app for daily brain exercises to improve memory and cognitive function?

BrainHQ is a structured brain training app developed by Posit Science, focusing on enhancing cognitive abilities like memory, attention, and mental agility. It's well-suited for individuals seeking to sharpen their minds for everyday tasks, such as students aiming to boost recall for exams or older adults looking to maintain mental acuity. The app features a variety of exercises, including memory sequence challenges and visual tracking tasks, which are grounded in neuroscientific research. For example, users might practice recalling patterns to improve short-term memory, applicable in scenarios like remembering shopping lists or following multi-step instructions. Attention drills help with focus during work or study sessions. Reviews indicate that consistent use can lead to measurable improvements, with some users reporting better performance in daily activities. However, the app has limitations, such as a subscription fee for full access and occasional technical issues like crashes or slow load times, which some find disruptive. Despite a modest 2.9 rating, its personalized training plans and progress tracking make it a reliable option for dedicated cognitive training.