Apple puts upgraded tech guts in a similarly designed body for the iPad Mini with Retina Display and creates a tablet that’s a true miniature version of its bigger brother, the iPad Air On Sale Date: Now Price: Wi-Fi only: $399 for 16GB, $499 for 32GB, $599 for 64GB, $699 for 128GB; Wi-Fi + Cellular: $529 for 16GB, $629 for 32GB, $729