兴趣爱好BetMGM is one of the top three betting apps Ontario has to offer. It is now competing to become the best sports betting app Ontario bettors can legally enjoy. Entain's deep levels of expertise in online sports betting technology are matched with MGM's high levels of customer service. This is an offer Ontarians should definitely consider. In this article, we have highlighted the five best sports betting apps for Android and iPhone users to help those who want to build such an app for a startup to have an idea of how such applications work. The article is also for those users who want to play the top sports betting apps. At the time of publishing, the Seminole Tribe’s Hard Rock Betting app is the only legal mobile sports betting app. The legality of sports betting apps depends on each jurisdiction's specific regulations and licensing. In the U.S., sports betting is legal on a state-by-state basis. Some states have fully legalized sports betting, including mobile betting, while others have restrictions or have yet to legalize it. It's crucial to comply with local laws and use licensed and regulated sports betting apps within authorized jurisdictions.