For a month subscription to Lumosity, it costs $14.95 as of 2015. There are various other subscription options, including a one and two year commitment, or a lifetime subscription.
Lumosity, a website devoted to cognitive enhancing games and activities, has a free version and a paid subscription version. While the standard monthly rate is $14.95, a one year commitment costs $6.95 per month. For a two year commitment to the service, it costs $4.99 per month, and for a lifetime subscription to Lumosity, there is a one-time charge of $299.95. While the free version offers games and activities, the paid subscription version offers an enhanced experience.