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Best Underdog Betting Apps & Games

249+ iOS apps & games curated and reviewed

4.8 avg rating
20 free apps & games
Updated August 2026

Underdog Sports is the household name in underdog betting, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Underdog Betting Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Underdog SportsUnderdog SportsFree4.8★ (316K)YesNoAug 2026
2PrizePicks - Sports PicksPrizePicks - Sports PicksFree4.7★ (487K)NoNoAug 2026
3FanDuel Sportsbook & CasinoFanDuel Sportsbook & CasinoFree4.8★ (2.2M)YesNoAug 2026
4Hard Rock Bet SportsbookHard Rock Bet SportsbookFree4.9★ (335K)NoNoAug 2026
5Sleeper - Fantasy SportsSleeper - Fantasy SportsFree4.7★ (257K)NoNoAug 2026
6DraftKings: Sports & CasinoDraftKings: Sports & CasinoFree4.8★ (1.2M)YesNoAug 2026
7Fanatics Sports & CasinoFanatics Sports & CasinoFree4.8★ (268K)NoNoAug 2026
8Kalshi: Trade Events & SportsKalshi: Trade Events & SportsFree4.8★ (483K)NoNoAug 2026

Top Picks for Underdog Betting

Underdog Sports#1

Underdog Sports by Underdog Sports, Inc.

Real Money NFL & NBA Pick Em
Editor's Choice
⚽ Sports
4.8😐(316K ratings)
FreeAds
#54in Sports
Underdog Sports screenshot 1
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Underdog Sports screenshot 5
Underdog Sports screenshot 6

Engage in real money fantasy sports with player projection games and best ball drafts. Predict player performance to win cash prizes across a wide range of sports and leagues. Draft once and compete all season.

What We Love

  • 🚀 Clean, easy, and user-friendly app
  • 🔒 Robust security and verification process
  • 👍 Great customer service and responsiveness
  • 💡 Unique and innovative features like Best Ball

Room to Improve

  • 🐛 Slow withdrawal process and issues with payouts
  • 🔒 Restrictive account policies and bans
  • 🔒 Difficult for Canadian users to withdraw
PrizePicks - Sports Picks#2

PrizePicks - Sports Picks by SidePrize, LLC

Real Money Sports Gaming
Strong Contender
⚽ Sports
4.7😊(487K ratings)
Free
#25in Sports
PrizePicks - Sports Picks screenshot 1
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PrizePicks - Sports Picks screenshot 3
PrizePicks - Sports Picks screenshot 4
PrizePicks - Sports Picks screenshot 5
PrizePicks - Sports Picks screenshot 6

Predict player or team performance across a wide range of sports to win real money. Engage in free contests for rewards or make strategic picks for potential payouts up to 2000x your stake. Secure deposits and fast withdrawals make it easy to play.

What We Love

  • 🚀 Amazing app
  • 👍 Safe and not too risky
  • 🚀 Great for small bets
  • 🚀 Lots of betting options

Room to Improve

  • 🐛 Issues with customer service
  • 🐛 Problems with app tracking and updates
  • 🐛 Inconsistent and unfair betting lines
FanDuel Sportsbook & Casino#3

FanDuel Sportsbook & Casino by FanDuel, Inc.

Sports Betting & Predictions
Worth Considering
⚽ Sports
4.8😞(2.2M ratings)
FreeAds
#21in Sports
FanDuel Sportsbook & Casino screenshot 1
FanDuel Sportsbook & Casino screenshot 2
FanDuel Sportsbook & Casino screenshot 3
FanDuel Sportsbook & Casino screenshot 4
FanDuel Sportsbook & Casino screenshot 5
FanDuel Sportsbook & Casino screenshot 6

Place bets on a wide variety of sports, including football, basketball, and baseball. Enjoy live in-game wagering, special promotions, and fast payouts. Users can also access casino games within the same application.

What We Love

  • 🚀 User-friendly interface
  • 💰 Generous promotions and bonuses
  • 🕹️ Wide range of betting options
  • 🏆 Best sportsbook app

Room to Improve

  • 🐛 Technical issues and bugs
  • 🕰️ Slow payouts and withdrawals
  • 👎 Poor customer service

More Underdog Betting apps to explore

4
Hard Rock Bet Sportsbook
Hard Rock Bet Sportsbook
Hard Rock Bet Sportsbook
Sports Betting, Bet NFL & MLB
Free

Engage in real-money sports betting with a fast and rewarding app. Build same-game parlays, bet on live markets, and access exclusive rewards and daily boosts. Enjoy lightning-fast payouts and 24/7 customer support for a seamless betting experience.

Lightning-fast SGP builderLive betting marketsUnique player props
⚽ Sports
(335K)
free with in-app purchases
5
Sleeper - Fantasy Sports
Sleeper - Fantasy Sports
Sleeper - Fantasy Sports
The ultimate fantasy app
Free

This app allows users to make real-money picks on sports teams and players, join fantasy leagues, and compete in bracket challenges. It offers live score tracking, in-app chat, and real-time sports updates all in one platform.

Real money team and player picksFantasy league creation and managementCollege basketball bracket pools
⚽ Sports
(257K)
free with in-app purchases
6
DraftKings: Sports & Casino
DraftKings: Sports & Casino
DraftKings: Sports & Casino
Sportsbook, Betting, Live Bets
Free

Engage in live sports betting on a wide range of professional and college sports. Place bets on outcomes, player performance, and in-game events with dynamic odds that update in real-time. Create parlays and combos for increased winning potential.

Live betting & in-game oddsSame-game parlays & combosPlayer props for every sport
⚽ Sports
(1.2M)
free with in-app purchases
7
Fanatics Sports & Casino
Fanatics Sports & Casino
Fanatics Sports & Casino
Sportsbook, Betting, NFL & NBA
Free

Place bets on major sports leagues and NCAA basketball with real-time odds. Earn FanCash on every bet, win or lose, redeemable for merchandise and bonus bets. Enjoy fast payouts and a rewards program.

Real-time sports oddsWager on major leaguesEarn FanCash on bets
⚽ Sports
(268K)
free with in-app purchases
8
Kalshi: Trade Events & Sports
Kalshi: Trade Events & Sports
Kalshi: Trade Events & Sports
Trade football, tennis, crypto
Free

Trade on the outcomes of real-world events, from sports to economic indicators, in a federally regulated prediction market. Buy and sell contracts based on whether events will happen, earning money if your predictions are correct. It's like trading stocks but on events you understand.

Trade real-world event outcomesFederally regulated prediction marketSports and financial market trading
💰 Finance
(483K)
free with in-app purchases
9
BetMGM - Sportsbook & Casino
BetMGM - Sportsbook & Casino
BetMGM - Sportsbook & Casino
Sports Betting, Bet NFL & MLB
Free

Place real money bets on a wide range of professional and college sports. Offers live betting, parlays, player props, and exclusive sign-up bonuses. Enjoy fast, secure transactions and earn rewards points.

Real money sports bettingLive in-game bettingSame game parlays
⚽ Sports
(261K)
free
10
theScore Bet Sportsbook Casino
theScore Bet Sportsbook Casino
theScore Bet Sportsbook Casino
Sportsbook & Casino
Free

Engage in sports betting and casino gaming with a wide array of daily promotions, profit boosts, and live event streaming. Create custom parlays, bet on numerous sports, and enjoy casino favorites like blackjack and slots. Secure transactions and a seamless user experience are prioritized.

Daily promotions (Bonus Bets, Spins, Credits)Profit boosts for increased payoutsStream over 150,000 live events
⚽ Sports
(221K)
free with in-app purchases
11
DraftKings Fantasy Sports
DraftKings Fantasy Sports
DraftKings Fantasy Sports
DFS Win Money, NBA & NHL Picks
Free

Engage in daily fantasy sports across a wide range of professional and college leagues. Draft lineups, compete in various contest types, and win real cash prizes. Track your performance with live scoring and leaderboards.

Daily fantasy sports contestsReal cash prizesMultiple sport options (NFL, NBA, PGA, etc.)
⚽ Sports
(549K)
free with in-app purchases
12
Caesars Sportsbook & Casino
Caesars Sportsbook & Casino
Caesars Sportsbook & Casino
Live NFL & MLB Betting Odds
Free

Place live bets on a wide range of sports with real-time scores and constantly updated odds. Build custom parlays and earn rewards redeemable for exclusive experiences. Enjoy fast, secure transactions and personalized promotions.

Live betting with real-time oddsReal-time scores and instant updatesParlays and Same Game Parlays
⚽ Sports
(107K)
free with in-app purchases
13
bet365 - Sportsbook & Casino
bet365 - Sportsbook & Casino
bet365 - Sportsbook & Casino
Sports Betting, NFL & NBA bets
Free

Place bets on a vast selection of live and pre-game sports, including major leagues and events. Enjoy enhanced odds, custom parlays, and live streaming of global sporting action. Track your bets and access sports statistics to inform your wagers.

Live and pre-game sports bettingSuper Boosts and Profit BoostsSame Game Parlay+
⚽ Sports
(330K)
free with in-app purchases
14
ReBet: Social Sports & Casino
ReBet: Social Sports & Casino
ReBet: Social Sports & Casino
Social Sportsbook & Casino App
Free

Engage in a social sportsbook and casino experience without real-money wagers. Make picks on your favorite teams, join challenges, and compete with friends for bragging rights and rewards. It's a fun, community-driven way to enjoy sports betting excitement.

Free-to-play social sportsbookMake sports picks and parlay-style challengesCompete with friends and fans
🎮 Games
(34K)
free with in-app purchases
15
Polymarket
Polymarket
Polymarket
Trade sports, politics, & more
Free

Trade on a global prediction market where prices reflect probabilities. Buy shares in events and profit from your knowledge or insights into future outcomes. Offers instant trading, competitive fees, and bank-grade security.

Trade on prediction marketsInstantaneous trading (LIVETRADE™)Competitive spreads and low fees
💰 Finance
(53K)
free with in-app purchases
16
Novig: Prediction Market
Novig: Prediction Market
Novig: Prediction Market
Trade Sports With Better Odds
Free

Predict sports outcomes for cash prizes on a commission-free platform. Trade sports like a market, set your own odds, or take the best available prices. Play with friends or the market in a peer-to-peer exchange.

Predict NFL, NBA, NHL, MLB, UFC, and morePlayer props, moneylines, totals, spreads, futures, parlaysLive trading and market options
⚽ Sports
(3.8K)
free with in-app purchases
17
Thrillzz: Social Sportsbook
Thrillzz: Social Sportsbook
Thrillzz: Social Sportsbook
Sports Betting Picks & Parlays
Free

Engage in risk-free sports predictions and compete with friends in a social sportsbook experience. Earn daily rewards, climb leaderboards, and enjoy thrilling in-play action across a wide range of sports without any real money involved.

Free sports predictionsSocial competition with friendsDaily rewards and bonuses
⚽ Sports
(8.7K)
free with in-app purchases
18
Betfan Free Sport Betting Tips
Betfan Free Sport Betting Tips
Betfan Free Sport Betting Tips
by Total Web Systems Limited
Free

Access daily free sports tips and insights from successful bettors across various sports like horse racing, football, and golf. Learn betting strategies and discover winning information to potentially beat bookies.

Daily free sports tipsInsights from successful bettorsHorse racing, football, golf tips
⚽ Sports
(0)
free
19
Onyx - Sports Picks
Onyx - Sports Picks
Onyx - Sports Picks
Sports Predictions. Made Easy.
Free

This platform allows users to make predictions on various sports and leagues. Test your sports knowledge, compete with friends, and rise through the ranks with accurate forecasts across multiple sports.

Make sports predictionsPredict on various sports and leaguesTest sports IQ
🎮 Games
(12K)
free
20
PocketProfit: Betting Tools
PocketProfit: Betting Tools
PocketProfit: Betting Tools
Track bets & maximise profit
Free
🔧 Utilities
(0)

FAQ about Underdog Betting

What are the best underdog betting apps & games for iPhone?
Underdog Sports tops our underdog betting apps & games ranking as of August 2026, with a 4.8-star average from 316K App Store ratings, and it's free to download.
Yes — 20 of the top underdog betting apps & games we rank are free to download, including Underdog Sports and PrizePicks - Sports Picks.
Underdog Sports shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ underdog betting apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Underdog Sports is a daily fantasy sports application that allows users to play pick'em games and best ball drafts for real money. You can predict player statistics and compete against other fans across various sports and leagues.
In pick'em games, you select 2-8 players and predict whether they will perform higher or lower than their given projections for stats like passing yards, rushing yards, or receptions. Correct predictions can lead to significant cash prizes.