Help your child get a head start in math with this science-backed game!

Your child will love adventuring through Monkey’s world of school, pools, and picnics, while simultaneously exercising her intuitive sense of quantity, or “number sense.”

Research shows that children with a stronger number sense tend to perform better on real math tests (Halberda et al., 2008). Our games aim to improve your child’s number sense, so he or she will have a leg up at learning math in school.

Four and five year old children who played digital number sense games demonstrated better math performance (on tests of counting, number identification, addition, etc.) compared to control groups, when tested right after a brief practice (Wang et al., 2016) or after several weeks of practice (Park et al., 2016). More 4 Monkey is adaptive and continually challenges your child’s number sense, with a parent dashboard to keep track of progress. Children from ages 2 to 6 enjoy playing More 4 Monkey.

Cognitive ToyBox is committed to developing science-backed games to support the early learning and cognitive development of children. Please contact us at with any questions or feedback.



Halberda, J., Mazzocco, M. M., & Feigenson, L. (2008). Individual differences in non-verbal number acuity correlate with maths achievement. Nature, 455(7213), 665-668.

Park, J., Bermudez, V., Roberts, R. C., & Brannon, E. M. (2016). Non-symbolic approximate arithmetic training improves math performance in preschoolers. Journal of Experimental Child Psychology, 152, 278-293.

Wang, J. J., Odic, D., Halberda, J., & Feigenson, L. (2016). Changing the precision of preschoolers’ approximate number system representations changes their symbolic math performance. Journal of Experimental Child Psychology, 147, 82-99.

What’s New

Version 2.1

We hope you will enjoy this updated version, which has bug fixes for iPhone users.

Ratings and Reviews

Mommyoftwosans ,

Daughter made progress right away

It was really neat to be able to see my daughter's progress from level to level. At the beginning, she didn't get the concept and by level 5, she was getting them all correct. Very cool!

My daughter liked it and I liked to see such rapid growth. Would recommend!

seb142 ,

Love new update

Love all the new activities available in the new update!

zimett ,

adorable education game 👍

great game to teach young children quantitative reasoning!


Cognitive ToyBox, Inc.
64.2 MB
Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© Cognitive ToyBox, Inc.
In-App Purchases
  1. Full Version $9.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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