Brain training apps are digital tools designed to improve cognitive functions such as memory, attention, and problem-solving skills. These apps often include a variety of games and exercises that challenge users in fun and engaging ways. Many of them track progress over time, allowing users to see improvements in their mental abilities. These applications are available on various platforms, including smartphones and tablets, making them accessible to a wide audience. Some popular examples include Lumosity, Peak, and Elevate. While some studies suggest potential benefits, the effectiveness of these apps can vary from person to person.