Hi Sven,
Please reach out to support@divhunt.com, and we will see what we can do.
Anyway, it’s good thing that you did a purchase on AppSumo as we are planing a lot of benefits and early adopter badge for AppSumo members.
On the other hand, we’ve created these packages (LTD plans) for main purpose: Affiliate.
With referring a friend, you can earn up to ±$1400 per single sell on highest package, so keep that in mind 