Sites Like Underdog 2026: Best Alternatives & Sister Casinos

What are apps like Underdog, FanDuel and DraftKings – and why are they so popular?

Underdog is, of course, a daily fantasy sports site that allows users in several US states to either play manager and draft their own dream teams or enjoy head-to-head player predictions and props.

Underdog’s built up a huge following in recent years by offering excellent, easy-to-use iOS and Android apps, a superb range of fantasy sports markets and contest options, and a generous new customer bonus.

But many of these features can be found at other DFS sites like Roobet, FanDuel and DraftKings, too – some of which are, naturally, better than others.

Let’s see how the latter two compare to Underdog at the time of writing.

Best Brand

DraftKings Deal

New DK Customers Get 3 Tickets to Play Free for a Shot at a Share of Millions in Prizes

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Min. $5 deposit req. Tickets for MLB, NBA, and NHL contests Gambling Problem? Call 1-800-GAMBLER or 877-8-HOPENY/text HOPENY (467369) (NY). Help is available for problem gambling. Call (888) 789-7777 or visit ccpg.org (CT). 18+ in most eligible states, but age varies by jurisdiction. Eligibility restrictions apply. Void where prohibited. 1 per new DraftKings customer. Min. $5 deposit req. 1 $4 ticket for an MLB contest, 1 $3 ticket for an NBA contest, and 1 $3 ticket for an NHL contest rewarded. Ticket rewards are single-use site credits valid for use on eligible DraftKings contests. Ticket rewards expire 14 days (336 hours) after being issued. Terms: www.draftkings.com/promotions. Ends 4/30/26 at 11:59 PM ET. Sponsored by DK.

How do other apps like Underdog compare?

Before I get into the fine print of what FanDuel and DraftKings each have to offer, here’s a quick overview of how the two compare to Underdog:

A closer look at today’s top sites like Underdog

Looking good, eh? Both FanDuel and DraftKings offer healthy bonuses, great DFS market coverage, and even some old-school sports betting opportunities if you happen to live in a state where such services are permitted by your preferred brand.

If you were hoping to play sweepstakes casino games, mind, you’ll need to check out sites like McLuck and Stake.us instead - as neither FanDuel nor DraftKings will be able to help you out on that front.

Anyhow, here’s a bit more about FanDuel and DraftKings’ DFS offerings, to help you decide which might be the best Underdog-alike site for you.

FanDuel – the best Underdog alternative for mobile DFS lovers

FanDuel might not match up to Underdog on the welcome bonus front, but there’s no denying that this longer-established, better known competitor offers a greater range of DFS markets.

The site runs a super-cool VIP program known as the Players Club, too, making it great for any of you who are seeking exclusive bonuses, account managers and other fancy perks in the long-run.

Without doubt the brand’s best feature, though, is its amazing app, which currently boasts a 4.8-star overall rating on the App Store and a 4.7-star average on Google Play. Not at all surprising considering how easy-to-use FanDuel’s interface is – making this site a great option for DFS beginners, too.

If you’re looking for apps like Underdog, but with a bit more to offer in terms of DFS markets, then, FanDuel is definitely one to watch. Just note that the brand’s DFS site (and app) is sadly off-limits in MI, WA, ID, MT and a handful of other states.

DraftKings – the best Underdog alternative for more experienced DFS players

DraftKings Fantasy: Pros & Cons

• Wide range of sports options
• User-friendly and intuitive interface
• Variety of contest formats available
• Frequent promotions and bonus offers

• High competition in larger contests

Visit DraftKings Fantasy

DraftKings is often the first name that comes to mind when most of us think of DFS, right? And that’d be because the brand’s been going since 2012. It’s also paired with major sports teams and celebs over the years (like Kevin Hart, most recently) in its globally famous ads and commercials.

What makes the site (and its awesome apps) stand out most, though, is the incredible range of contest options up-for-grabs, like single stat, casual, head-to-head and in-game showdowns. On top of all that, players have the choice of competing in both public and private contests over here, too.

What’s more, in 25 selected US states, including AZ, CO, IL, IA, KY, LA and NY, it’s possible to access DraftKings Sportsbook, too – the brand’s separately-hosted sports betting site. So, there’s a lot to sink your teeth into over here, eh?

Final takeaway – here’s why these two betting apps like Underdog are just as worth your while

Underdog has really earned its reputation as one of the US’ best DFS apps – and remains a fantastic option today, at a time when its bonus is much more generous than those advertised by its closest competitors.

That said, FanDuel is certainly an alternative that’s well worth considering if you’re into app-based plays, with its super-broad market coverage and easy-to-use, highly-rated iOS and Android apps.

Meanwhile, DraftKings stands out too, offering some super-exciting contest options capable of really cranking the fun level up to eleven for more experienced players.

Which app is best? Only you, of course, can decide. Just remember to double-check the state-by-state restrictions of each brand before you register.

Our top recommended DFS bonuses

1.

4.5/5

DraftKings Fantasy Promo Code

New DK Customers Get 3 Tickets to Play Free for a Shot at a Share of Millions in Prizes

USA Players Eligible

Terms (WR): Play free* in an MLB, NBA and NHL contest, Min. Deposit: 5

Visit DraftKings Fantasy

Get bonus now

Min. $5 deposit req. Tickets for MLB, NBA, and NHL contests Gambling Problem? Call 1-800-GAMBLER or 877-8-HOPENY/text HOPENY (467369) (NY). Help is available for problem gambling. Call (888) 789-7777 or visit ccpg.org (CT). 18+ in most eligible states, but age varies by jurisdiction. Eligibility restrictions apply. Void where prohibited. 1 per new DraftKings customer. Min. $5 deposit req. 1 $4 ticket for an MLB contest, 1 $3 ticket for an NBA contest, and 1 $3 ticket for an NHL contest rewarded. Ticket rewards are single-use site credits valid for use on eligible DraftKings contests. Ticket rewards expire 14 days (336 hours) after being issued. Terms: www.draftkings.com/promotions. Ends 4/30/26 at 11:59 PM ET. Sponsored by DK.

2.

Underdog Promo Code

Play Now at Underdog

USA Players Eligible

Best Alternative

Visit DraftKings Fantasy

Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org. NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369)

Sites like Underdog FAQ