Incentria.com is owned by the same person that owns the ptc Clicksia.com. Actually it is a twin website because:
-it has the same fees for clicks, reading ads and signups as Clicksia;
-it has the same fee for upgrades as Clicksia;
-the payout is at $1…
The only difference is that there is no forum.
Although this is usually a sign for scam ptcs, Incentria is a trusted ptc and it has paid its members so far without delays. There are no complaints and no significantly issues that remained unsolved.
Here are two payment proofs from Incentria: