letsRUMBL Daily Fantasy Sports is a free iPhone app developed by Synkt Games Inc. It falls under the Lifestyle category with a subcategory of Sports. This app allows users to participate in fast and exciting daily fantasy sports contests.

With letsRUMBL, users can experience the thrill of drafting their fantasy teams in a matter of seconds, thanks to the fast draft feature. There are no salary caps to worry about, making it even more convenient for users to create their dream teams.

One unique feature of letsRUMBL is the ability to send a SMAK message to the people you beat in contests. This adds a fun and competitive element to the app, allowing users to tease their opponents.

The app also offers an achievements system, where users can earn new badges every day. Additionally, the AMPLIFIER feature allows users to create up to 25 games at once, providing even more opportunities to play and win.

letsRUMBL keeps users engaged with live scoring, allowing them to follow their team's every move. Users can also add their friends to their rivals list and challenge them in contests. The 1-touch rematch feature makes it easy to jump back into the action after a match, and users can also send friendly nudges to their rivals to join a contest.

For those who want to practice their skills, letsRUMBL offers up to 3 free practice games a day. This allows users to hone their strategies and improve their chances of winning in real contests.

The app offers various contest types, including Leaderboard contests for bigger payouts, H2H (Head-to-Head) challenges against friends or rivals, and Group contests where users can play against multiple friends for bigger prizes.

Overall, letsRUMBL Daily Fantasy Sports is a fast and fun app for sports enthusiasts who enjoy the excitement of daily fantasy sports contests. With its user-friendly interface and unique features, it provides an engaging and competitive experience for users.