Underdog is rapidly becoming the go-to option for daily fantasy sports, but there are plenty of top-quality sites like Underdog that cover the full spectrum of sports fixtures and events, from major leagues through niche options.Best Apps like Underdog Fantasy & Similar Sites for 2025
You can set your bankroll to one side, as all of these social sportsbooks provide you with a generous introductory bonus of virtual tokens. I’ve got some tips to help you choose the online destination that’s perfect for your needs, with three top recommendations that have received the Deadspin seal of approval, if you’re looking for inspiration.Best Apps like Underdog Fantasy & Similar Sites for 2025
Open SportsMillions
Open Legendz Casino
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Open Sportzino
You only need to spend a couple of minutes checking out our insightful Underdog Fantasy review to realize just how much fun there is to be had from selecting your ideal teams. But did you know that there are plenty of Underdog alternatives that offer a fully-rounded sportsbook experience that won’t negatively impact your bankroll?
You’ll likely be aware that sweepstakes casinos are growing in popularity throughout the US, offering the chance to play slots and table games using virtual tokens instead of real dollars. But did you know that social betting sites offer a similar option for sports fans? There’s no option for making any cash deposits, as you won’t be betting using real money. Register for an account and you’ll be provided with a welcome bonus of virtual tokens, which activate one of two modes:Best Apps like Underdog Fantasy & Similar Sites for 2025
The primary type of digital token in use at social sportsbooks is the branded Coin, which works like Gold Coins at free-to-play casinos. They’re still sometimes known as Gold Coins, or GC, but you’ll also come across Rebet Coins and Fliff Coins, for example. Use them to back your sport predictions, winning more if they prove to be correct. Expect regular bonuses, as well as an option to buy more of these play-for-fun Coins, but you won’t be able to cash them out. They don’t have any value, even after being played through, so the only tangible reward they offer is the opportunity to make even more free sports predictions.
A sweepstakes casino gives out free Sweepstakes Coins, or SC, but most social sportsbooks prefer to label them as branded Cash, such as Rebet Cash and Fliff Cash. The name is misleading, as they don’t have any value when first awarded. But playing these promotional tokens through as set out in the relevant sweepstakes rules, results in redeemable winnings. Collect up the required number of eligible promotional tokens and you can exchange them for cash prizes, without any involvement from your bankroll!
Social sports betting isn’t just for those states that don’t allow real-money sportsbooks to operate. The sweepstakes mechanic makes this a great option for anyone looking for a risk-free alternative to traditional sports betting, with elements of social media that make these sites particularly entertaining, even before taking on board the potential to redeem sweepstakes token winnings for real-life prizes.
Whether you favor desktop sites or apps like Underdog Fantasy, there are options on this page to accommodate all levels of expertise, including social and sports betting newbies. Too much choice makes it difficult to know where to start, so I’ve picked out 3 favorites to get the virtual ball rolling. Take a look through the quick rundown I’ve provided for each one, including their various pros and cons. If you like the sound of one or more, just follow the links to head straight to the site’s landing page. Our banners will let you know about any current promo codes, then it’s simply a matter of claiming your introductory bonus and you’re ready to start making the most of your sports knowledge.
If you’d like to dig a little deeper before deciding which social sportsbook is right for you, take some time to check out the comprehensive reviews for every operator listed here, which provide detailed information about the bonuses, rewards and much more besides. Knowledge is power, and here at Deadspin we believe in spreading it around to our readers, giving you a head start when you’re in the mood for some entertainment!!
This is a site like Underdog that’s been created for a modern, mobile-first audience. Currently only available via an app download, Rebet is the brainchild of a group of Dartmouth College students who were keen to create a unique social sports betting experience – and they were fortunate enough to have the knowledge and resources to make it a reality. The aim was to leverage the full social aspect of a free-to-play sports betting site in a way that hadn’t been possible before, and it’s certainly proving to be a huge success.
Your welcome bonus of free Rebet Coins and bonus Rebet Cash can be used to back predictions across a huge variety of sports and betting markets. No purchase is necessary thanks to frequent bonuses, although there’s a first-time offer of 100% extra Rebet Cash up to the value of $100 with your initial package. There’s a loyalty program too, with reward points to collect as you make your sports picks, giving rise to additional bonuses. This is a great option for beginners, thanks to the innovative Rebet button that lets you replicate what other players are doing. It’s a great way to learn, or to help yourself to some additional rewards as your sports knowledge increases and other players start copying you!
If you’re on the lookout for an app like Underdog Fantasy, but one that homes in on all the top sporting fixtures – and a few niche ones too – then Fliff is well worth a closer look. This is another social sportsbook that perfectly combines free-to-place sports predictions with social media features, making it exceptionally easy to meet up with friends on the app and compare results. There are plenty of bonuses to keep your account topped up with Fliff Coins and Fliff Cash, including friend referrals, giving you even more reasons to invite your mates to join in the fun.
There are plenty of statistics on the Fliff sportsbook app to help inform your sports picks, and you can place bets during live matches too, adding an extra element to the entertainment. Complete daily challenges and compete in tournaments to make your way up the leaderboards, and collect redeemable Fliff Cash winnings that can be exchanged for cash prizes. You can hit the ground running when you sign up to Fliff by inputting DEADSPIN as you create your new player account, which will add 600,000 Fliff Coins and 100 Fliff Cash to your gaming wallet, ready to start your social sports betting experience.
Most of the sites like Underdog featured on this page are based exclusively around social sports betting, but Sportzino offers an excellent alternative for those of us who enjoy playing slots and casino-style games too. The site comes from the team behind Fortune Coins and Zula Casino, so you can be confident of a smooth and seamless experience across top games from leading studios such as Relax Gaming, Pragmatic Play and Booming Games.
But it’s the social sports betting that you came here for, and I can assure you that Sportzino doesn’t disappoint! There’s a great choice of pre-match and live bets available, with an easy-to-use interface that lets you choose between sports, esports and virtuals, so there’s something here for all tastes. Look out for the Fun Picks too, offering ready-made selections across the world of sports and entertainment, which are ideal when you don’t have much time, or you want to try something different. The site is fully optimized for all devices, with no need for any downloads to enjoy the Sportzino experience on your smartphone.
All the sites like Underdog that I’ve suggested operate on a dual virtual currency system, in which sweepstakes token winnings become redeemable for real-world prizes. I’ve highlighted the most important details in the table below, so you can see at a glance the minimum prize redemptions, the introductory bonuses and whether an app is available.
| Feature | Rebet | Fliff | Sportzino |
|---|---|---|---|
| App download | ✅ | ✅ | ❌ |
| Desktop website | ❌ | ❌ | ✅ |
| Min prize redemption | $10 | $50 | $50 |
| Prizes | Cash, Gift cards | Cash | Cash |
| Welcome bonus | 100 Rebet Coins, 1 Rebet Cash | 600,000 Fliff Coins, 100 Fliff Cash* | 170,000 Gold Coins, 7 Sweeps Coins |
*with promo code DEADSPIN
There are new sites and apps like Underdog currently preparing to launch, with more in development, so it’s a good idea to keep checking back now and again to stay up to speed with the latest news and reviews. We keep an ear to the ground for new gaming sites, making sure we can present you with invaluable information that will help you to make the most appropriate choices.
Social sportsbooks and free-to-play casinos can provide plenty of risk-free betting and gaming opportunities, but safety and security should always take center stage. Here at Deadspin, the aim is to present you with tried-and-tested sites and apps, complete with everything you need to know to dive straight into the heart of the action. Be sure to keep an eye on our banners too, which give you the full details of any current sweeps no deposit promo codes that will give you a head start when you sign up for a new player account.
If you’re looking for some top alternatives to Underdog Fantasy, deadspin.com is the place to be, thanks to our comprehensive reviews and comparison guides that present you with the unvarnished truth. In addition to providing you with invaluable information for getting started, there are a few exclusive sweeps cash no deposit promo codes to help you on your way, complete with tips for making the most of them too!
There are different laws and regulations governing DFS sites like Underdog Fantasy, social sportsbooks and real-money sports betting sites. The reviews and guides on these pages highlight the legal position for each one, making it clear which options are available in your state. Be sure to check out the social betting sites on this page, all of which come with free sweepstakes tokens that become redeemable for cash prizes when played through in line with the operator’s rules.
Here at deadspin.com, we have plenty of high-quality, entertaining sites like Underdog to share with you, all of which have undergone thorough testing to ensure they’re safe, secure and reliable. Whether it’s DFS sites, social sportsbooks or information about playing free slots for real money prizes, this is the place to be, with step-by-step guides to getting started and helpful tips to elevate every gaming session.
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