
puaykun ong
Good apps, easy to understand. However there is an improvement, when I use Japanese abacus and customise it to 2, during challenge the addition easy, it is still have 6 digits number, where the abacus only have 2 column. Suggest the challenge can adjust according to the customization

Sanchari Talukder
This app is very easy use .There is no ads in the app trust me no apps can be made be like this . Awesome app .Nice for laerning also .They also have challenges .Due to this reasons I gave 5star .Love this app .
17 people found this review helpful
Kids World: Children & Parent Comunity
February 9, 2023
Thank you for downloading our app!
Stay tuned because we are currently adding Tutorials mode and after that we will be adding even more challenges ;)