As of 2015, for home users, RM City costs $20 per student, per month, discounted to $15 per month for a second child and $10 per month for each child after that. Parents can also pay for a yearly subscription at $200 for one child with discounts thereafter.
RM City is an online math skills learning program for children created by Reasoning Mind. Some schools use the program in classrooms as part of the math curriculum, but it also offers memberships for home use. School administrators should contact Reasoning Mind for a quote to license RM City for school-wide use.