4 stars: Good app. There should be options for more practice
5 stars: Really good mental arithmetic trainer. Thoroughly recomended
4 stars: Does what it says, nothing super fancy, a fair amount of ads.
5 stars: Very good apps for kids Thanks for helping me for improving calculation skill Plese make like this more apps
5 stars: Increase the speed of brain function ing
5 stars: Very nice app , in which you can improve your mathematics
5 stars: Good I like this game, this can two player I like 2 player game
4 stars: Simple, concise app to improve mental calculation. 4 stars only because I miss the option to write my own answer rather than selecting from a list of four. Good job, keep going!
5 stars: Great fun with friends!! The game can be further improved with longer and slightly more complex mental calculations.
5 stars: I'm mentally slow when it comes to numbers, great exercise to sharpen quick thinking skills.
5 stars: I'm not very good at math so this app pushes me. It is easy to navigate and useful to brush up those mathematical skills...
5 stars: This really is a cognitive booster. It successfully assists my current math learning!
5 stars: Good game for quick math. Helps you improve your calculations in your head :D
5 stars: It's a very good app.we can improve our maths by this app.i like it.i love it the most.thanks a lot.
4 stars: Grandkids love it. Could use reward stickers or reward games, though.
4 stars: go...