Fun. But…
I paid to get the 7 day free trial. But each world match they wanted a huge increase in cost until then they wanted more money just to play. Otherwise all you can do is the daily challenge
Not enough ratings yet to assess Five Stack.
Five Stack: Card Duel appears legitimate, with a few gaps. AppsHunter Legitimacy Score for Five Stack is 65/100.
Based on 65 of 100 points across 7 verification signals from App Store and developer data.