The big difference being that UniHertz had test samples before going to Kickstarter in May.
FxTec had to rediesign the whole inner works after they had taken the pledges and was swindled.
UniHertz started their design phase one-two months before FxTec started their redesign.
Also remember that all the major inner components of the Slim and their Pocket are identical, so software and most likely almost(?) all drivers from the Pocket could be reused, so little software development (if any?).
Just like the Pro1X was supposed to be versus the Pro1 before the swindle.
But indeed impressiv