Underdog App: Underdog App Review & Promo Code for March 2026

The Underdog app is one of the newest, most trustworthy, and legit fantasy sports apps in the US. The app offers a variety of amazing fantasy games, including seasons-long Best Ball, player Pick’em and daily snake drafts, also called Battle Royale. Whether you're a fan of fantasy sports such as NFL, MBA, NHL, MLB, MMA, eSports, boxing, or any other sports, the Underdog app offers the best game options for all fantasy sports fans.

In this Underdog app review, we explore key aspects of the app that are giving competitor apps and sites a run for their money.

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4.6/5

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Underdog Highlights

• Daily contests to enjoy
• Updated blog posts
• Varied prize pools

User experience

Overall, the Underdog mobile app provides a reliable, user-friendly, and well-designed platform for fantasy sports fans to participate in contests and enjoy all the fun and excitement of fantasy sports.

Pros and cons of using the Underdog mobile app

The Underdog mobile app is a fan-favorite for many players in the US. Let’s be transparent about some of its pros and cons.

Underdog App: Pros & Cons

• Wide variety of contests across various game types
• Modern, intuitive, and user-friendly interface
• Great tracking of live events
• Available for both iOS and Android users
• Offers 100% up to $500 deposit match

• Limited payment methods

How to get started and play on the Underdog app

Underdog has a new welcome offer for their new users, Play $5, Get $75. when you place a $5 entry can receive $75 in bonus, giving them a solid head start as you try out Underdog’s drafts, pick’em and daily fantasy-style contests.

To use this offer you must be 18 or above, or 19 or older in AL and NE, 19 or older in CO for specific contest types, and 21 or older in AZ, MA, and VA, and must be located in a state where Underdog legally operates.

This promotion is not valid in MD, MI, NJ, NY, OH, or PA. T&Cs Apply.

Remember to play responsibly. If you or someone you know needs help, call 1-800-MY-RESET or visit www.ncpgambling.org; New York: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).

Underdog is both easy to use and beginner-friendly, making it one of the best DFS sites right now. If you want to play on this popular platform, here’s a step-by-step guide to help you get started on the app.

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T&Cs Apply / 18+

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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. Offer not valid in MD, MI, NJ, NY, OH, and PA. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).

What gaming options are available on the Underdog mobile app?

As long as you’re a resident of Underdog legal states, you can play games and contests on the app. Here are the app’s top fantasy game types.

Best Ball

Best Ball offers all the fun and excitement of your typical season-long sports league without the stress associated with in-season team management. This contest format only involves drafting your team of players. That means there’s no waiver wire, no trades, and no setting lineups. Instead, everything, including your highest-scoring players is optimized to form your starting lineup at the end of each week.

Aspects such as entry fees, prize pool, number of entrants, roster size, scoring rules, and maximum number of entries per user in Best Ball vary depending on the specific contest that you choose to enter.

Battle Royale

Also called Daily Snake Draft, Battle Royal is very similar to Best Ball in that you'll be required to pick players via the Snake Draft format. The difference is that Battle Royal lasts a week and it involves competing against everyone who enters the contest, not just those in your draft group.

At the end of the contest (end of the week), you’ll share in the prize pool if your score is among the highest in the contest

Pick’em

Pick'em is the most straightforward contest on the Underdog app and it comes in two types: Higher/Lower and Underdog Rivals. In both contests, you normally choose 2-5 players/athletes from whom you predict based on their statistics. If your predictions are correct, you win.

Underdog ladders

Underdog streaks

Withdrawing winnings on Underdog app

After playing Pick'em Battle Royal or Best Ball contents and winning, you can withdraw your winnings via PayPal or Interchecks. Underdog app payouts are always gimme and it can take up to 3 days to receive your money.

Underdog app - conclusion

It's evident that the Underdog app is one of the best apps for fantasy sports in the US. The app is legit, safe, and has a lot to offer, including popular leagues and markets. Using the app is also very easy even if you’re just a beginner. You can also claim an amazing bonus offer on your first deposit. So, we highly rate this app to anyone looking for a thrilling fantasy sports experience.

DFS Promo

4.6/5

DFS Promo

4.6/5

Play $5 Get $50 in Bonus Entries

New Player Bonus

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Open Underdog

Get Bonus

Underdog app FAQs