I think its the trader. I've seen some applications where you had pay on another site to unlock a code for a application.
I would always advise checking reviews for said before any purchases or just not to buy that application if you are unsure.
This thread is now locked and can not be replied to.
Should I upgrade to Windows 10? 8 reasons why you should upgrade to Windows 10... and 2 why you…
We are being sold the ability to spend money we don't have. And we love it
See 24 hours in London with Paul Richardson's hyperlapse tour
How to use Apple Music in the UK: Complete guide to Apple Music's features