The best alternatives to Boom Fantasy are Draft, Fanalyze, and Sleeperbot. If these 3 options don't work for you, we've listed a few more alternatives below.
Fanalyze wants to help you speed up your Fantasy Baseball and Football Research and Analysis by using SEARCH. Sign up and customize your Fantasy Sports Data to your preference. Create teams to save the players on your account to compare faster.
Bettle is the only social first app designed to seamlessly integrate with your season long fantasy league to offer a richer experience and new game types.
Superfan is an app for friends to compete against each other by betting points in a virtual sportsbook. You can also choose to play a Pick 'em game where you "only" have to pick who is going to win. Compete and climb the leaderboard
Phantasia offers daily and season long fantasy sports contests all securely stored on the blockchain. Create or join in seconds, then get paid instantly when you win. All for zero fees!