If you have kids buy this app. They may play with it for a week, or if theyre like my kids they may play with it every day for two months straight. Regardless theyll learn a ton and get more out of it than you would get from whatever else you can get today for a dollar. An app this good should be $3 or $4.
westcoastfam about KidCalc 7-in-1 Math Fun (Including New Birthday Party and Halloween Themes), v1.16