Jumping up to the Premium tier gives you bonuses in TriPeaks and Pyramid and double coins for completing daily challenges.
If you want to get rid of the ads, you can pay $1.49 a month or $10 a year. There are video ads that need to be watched if you want to keep playing. Microsoft Solitaire Collection is free to download, but it's not entirely free on any platform.
Completing the various event objectives gives enhanced experience, helping you gain more levels and titles. The collection also offers timed events on a regular basis, which are similar to the challenges and focus players on playing a specific game for a few days. The collection also has daily challenges that push you to try each game and achieve a certain score or suit of cards. The levels unlock player titles and badges, or new card backs. There's also a progression system, where you gain levels and experience in each game the more you play it. With Microsoft Solitaire Collection, you can play Solitaire, Spider, FreeCell, Pyramid, and TriPeaks. What you can do with Microsoft Solitaire Collection