Differentiate Quantity app for iPhone and iPad

The purpose of game is to understand quantity, mathematical signs like greater than, less than, equal to and their use. The playing screen generated 3 different signs of different counts randomly between 1 to 10 and there are 2 empty space between them to be filled with the correct relational sign. On taping between the spaces between group of signs there would appear 3 signs in a specific order. The player gets a point on answering the entire question correctly and 2 chances to do so. Incomplete answers would not be considered as loosing a chance.