What is the best sports betting app in US? BetMGM is one of the best betting apps with up to $1,000 in bonus bets. We have considered app-specific factors like compatibility with iOS and Android, responsiveness, ease of use, and geolocation. Here we will look at the top 10 legally regulated sports betting apps in the US based on our research. FanDuel Sportsbook App - $150 in bet credits for a $5 wagerĮditor’s Choice of Top 10 Sports Betting Apps in the US.BetMGM Sportsbook App - Up to $1,000 in bonus bets.DraftKings Sportsbook App - Up to $1,200 in bet credits.Caesars Sportsbook App - Up to $1,250 in bonus bets.4 Best Sports Betting Apps with Bonuses in the US in June 2023 Let's start by looking at some of the best bonuses available in the industry. A variety of factors enter into play when seeking out the best sports betting apps, and we've extensively analyzed them all. If you want to find the best sports betting site, you have come to the right place. Still, with opportunity comes options, and many prospective bettors in the US will wonder which sports betting app is the best for their needs. There has never been a better time for legal and regulated sports gambling in the US. Online sports betting has become legalized in many US states, with the list growing with each passing legislative session.