Kool Tool
Purchased 05/31/2016 on a new iphone 5se. Videos wouldnt play, just got message display that they needed to be purchased. Contacted developer and heard back from them the same day. They resolved the problem and it now works as it should. Even though I have a set of the cards, I would buy again as it is a very useful tool.
llaindellorrac about
Pro-Knot, v3.0.2