Apart from obvious size differences, the iPad Air and mini cases are highly similar. In fact, other than some color swaps here and there, the biggest difference we found was when it came to installation. Both cases require you to use an included hex wrench to unscrew the screws, and then put them back in place. On the iPad mini version of the case, there are six screws, but on the full-sized version, you’ll have to fuss with 15 screws. Six is…