I bought Studio as an in app purchase in Amplitude Free, I then decided to upgrade to Amplitude full version and I expected that my in-app purchase came with when I upgraded. This is true for many other app from other developers and also when you buy Amplitude for PC. It did not happen.
I wrote to IK, who replied that it was two different Apps and that it was Itunes that made it non-transferable, and that I should seek reimbursement from Itunes. Itunes will not refund any payment back. I then wrote back that I think that they should make this information / warning clear when we buy an in appp purchase, or make it possible to buy the paid Amplitude as an in app purchase in Amplitude Free. As it is now, I feel that I'm wasting my money. I got a reply which in turn said that they could not do anything about, I had to take it up with Itunes. Now I understand the anger Inlays which can be found in other forums when looking at this on Google. I have spent a lot of money on Apps and PC programs from IK, and I have been a satisfied customer. Thats why I am disappointed with the way you have answered me. It's not good customer care.