The Gasthaus zu GIS App is your digital loyalty program! You can easily collect points through different activities and redeem them for great rewards. The Inn to GIS App offers you: - Easy login with Facebook Connect, Email, Google - Overview of your loyalty points and bonuses - Easy and fast access to customer benefits - whether premiums, prices, special offers or competitions - Individual offers and current information Whether it's scanning your bill, inviting friends, visiting a branch or p