2 published complaints: 2 unresolved (2 no response).
Stackr is graded C by SweepsGuard. Its 2 published complaints — including a player from Wisconsin banned over a bonus-play rule dispute — remain unresolved, with no operator response to mediation.
There is limited complaint history for Stackr. Its 2 published complaints include a $123 dispute tied to a bonus-play rule, and 2 closed after the operator did not answer our mediation request within the five-business-day window.