Two names, two completely different businesses. Hard Rock Bet carries the weight of an actual casino and hospitality brand behind it — Hard Rock International, owned by the Seminole Tribe of Florida. Underdog started as a Brooklyn daily fantasy startup in 2020, briefly ran its own sportsbook, closed it in December 2025, and has since become the parent of a federally licensed prediction exchange. The overlap in where they operate is real. The overlap in what they do for a customer is close to zero.
A Hospitality Brand vs a DFS-Native Company
Hard Rock Bet is the online arm of Hard Rock Digital, a joint venture launched in 2020 between Hard Rock International and established gaming executives. That lineage matters for legitimacy in a way a newer brand can’t match — a reader can walk into a physical Hard Rock casino and connect it to the app. Underdog has no such physical footprint. It is a six-year-old, venture-backed technology company that built its name entirely on pick’em DFS contests, then experimented with a sportsbook of its own before walking away from it.
Is Underdog a Sportsbook Like Hard Rock Bet?
Not anymore. Underdog operated a licensed real-money sportsbook for a period, then shut it down nationwide in December 2025, settling every wager still open in North Carolina rather than pursue more state licenses. Hard Rock Bet took the opposite trajectory across that same window, expanding its sportsbook to ten states: Arizona, Colorado, Florida, Illinois, Indiana, Michigan, New Jersey, Ohio, Tennessee, and Virginia. Anyone comparing these two brands as competing sportsbooks is comparing something that stopped existing on one side.
Hard Rock Bet vs Underdog, side by side
| Hard Rock Bet | Underdog | |
|---|---|---|
| Core product | Sportsbook + casino | DFS pick’em (Classic + Champions), plus Predict |
| Backing | Hard Rock International / Seminole Tribe of Florida | Venture-backed, private, founded 2020 |
| Sportsbook footprint | 10 states (AZ, CO, FL, IL, IN, MI, NJ, OH, TN, VA) | None — closed nationwide December 2025 |
| Casino footprint | Michigan, New Jersey only | None |
| Blocked states | Not licensed outside its 10-state list | CT, HI, ID, IA, LA, ME, MT, NV, WA |
| Biggest regulatory event | Florida compact with the Seminole Tribe | $17.5M New York settlement, March 2025 |
The Ten States Overlap More Than You’d Expect
Line up Hard Rock Bet’s ten sportsbook states against Underdog’s block list and none of Underdog’s nine banned states — Connecticut, Hawaii, Idaho, Iowa, Louisiana, Maine, Montana, Nevada, Washington — are on Hard Rock Bet’s list at all. In practice, that means a customer in any of Hard Rock Bet’s ten states can generally also use Underdog’s Classic Pick’em. That’s not a partnership or shared licensing arrangement between the two brands — it’s two separate footprints that happen not to collide.
Florida readers, specifically: Hard Rock Bet is the only legal mobile sportsbook in Florida, running under the Seminole compact rather than a standard license. Underdog’s DFS product operates there under entirely separate fantasy-sports rules. Having one app open says nothing about whether the other is available — check each independently.
Is Hard Rock Bet Safer Than Underdog?
“Safer” isn’t quite the right frame, since they carry different kinds of risk. Hard Rock Bet operates under state gaming regulators or the Seminole compact, with geolocation and standard tools like deposit limits and self-exclusion. Underdog’s regulatory story includes a real fine it paid rather than fought, plus new CFTC oversight for Predict. Both are traceable, accountable companies. Neither fact changes the math on any individual wager or lineup — the house edge and the DFS scoring rules don’t bend for a bigger name.
Which One for Who
Want a moneyline, spread, or parlay against a book, and you’re in one of the ten Hard Rock Bet states — especially Florida, where it’s the only legal mobile option: Hard Rock Bet. Want pick’em contests against player projections instead, with no house line involved: Underdog’s Classic Pick’em or Pick’em Champions, checking which one your state actually licenses. Curious about a federally regulated prediction market rather than either: that’s Underdog Predict, a third product with its own separate map. Treat all of it as entertainment spending, never income. 21+ for Hard Rock Bet; 18+ or the higher state-set age for Underdog. If it stops being fun, call 1-800-GAMBLER.