Lumosity

Seeking a series of brain teasers in a mobile app? Lumosity is the best brain game online to put an end to your search. What makes Lumosity one of the best iq boosting games for kids in 2021 is it is more of a mental fitness game, that offers various mental challenges throughout the day.

Lumosity's fun brain training and mental fitness games, tests, and activities are backed by science. Also, Lumosity has a meditation and mindfulness app called Lumosity Mind which can be accessed by premium subscription