Best Online Casino Apps in May 2026

Whether you’re looking to play online slots or live dealer games, iOS and Android users get access to some of the best mobile games at legit online casino apps. Below, we’ll cover the best casino apps for iPhone, as well as Android casino apps. Regardless of operating system, many of these apps offer a top-notch online casino experience. If you're not in a state with legal real money casinos, check out our top sweepstakes apps instead.

There are dozens of online casino apps to choose from in each legal state. Top mobile casino markets include the states of Michigan, New Jersey, Pennsylvania, and West Virginia. Although not live yet, Maine will have casino apps later this year.

Delaware launched the industry’s first legal online casino in late 2012. However, the First State's prohibitive iGaming market remained under the control of the state lottery.

In 2021, Connecticut began offering casino apps via DraftKings and FanDuel, with partnerships limited to two land-based casinos (Mohegan Sun and Foxwoods Resort).

Rush Street Interactive replaced 888 Holdings earlier this year when it comes to online gaming operations in Delaware, including casino apps under its BetRivers brand. Bally’s Corporation went live in Rhode Island in March, making it the seventh state with regulated online casinos.

Here’s a quick rundown of the legal jurisdictions with mobile casino apps:

• Connecticut: Offers mobile casino apps from DraftKings and FanDuel.
• Delaware: BetRivers provides mobile casino games for three in-state casinos.
• Michigan: Up to 15 online casino apps may retain partnerships with three commercial casinos and 12 Class III tribes.
• New Jersey: Per the Division of Gaming Enforcement, nearly 40 internet gaming sites retain authorization via nine land-based operators in Atlantic City, and there are approximately 30 casino apps in the Garden State.
• Pennsylvania: PA has 26 interactive gaming licenses or certificates for online slots and table games at 13 licensed brick-and-mortar casinos and nearly two dozen casino apps.
• Rhode Island: Bally’s offers an iOS mobile casino app, the state’s only option.
• West Virginia: The Mountain State allows its five licensed casinos to operate three online casino gaming sites for up to 15 casino apps.

Note: Those in Canada can also choose from many online casino apps. Check out our best online casino Canada page for more on casino gaming in the Great White North.

Players can try various iOS and Android mobile device options to play real money casino games on the go. Casino apps are generally available from both the Apple App Store and the Google Play Store, while some may be available from an online casino’s website. Mobile casino apps are always free at our recommended sites, and some offer free demo play options for eligible players.

Choosing the best mobile casinos is mostly a matter of personal preference. You can use the following as a guide for selecting a mobile app that suits you best:

• Game selection: Some casino apps may offer fewer games while highlighting the most popular online slots and classic table games.
• Graphics: Software updates for real-money gambling apps enhance the high-quality graphics of mobile slots and live casino games. Casino apps get optimized for any eligible iOS and Android mobile device.
• Speed: To ensure smooth functionality of mobile gambling apps, players should use the most recently updated versions and the latest hardware with a fast and stable internet connection. Some mobile apps may take up significant space (especially for iOS), so we recommend trying one at a time.
• Bonus codes & Promotions: Most casino apps offer the same welcome bonuses via mobile and desktop platforms. As an exciting way to start, savvy first-time players can use a unique promo code to take advantage of welcome bonuses, including no deposit bonuses as well as free spins on mobile slots with high return-to-player (RTP) averages.
• Legal Status: If you register and play online casino games from within a legal state, you can't receive bonuses and place real money wagers from that same account in other legal jurisdictions. Remember to review the details for mobile casino apps on the App Store and Google Play Store to see where they’re legal, and log in from one of several states within the U.S.-regulated online casino industry.

Check out Hollywood Casino, as it offers dedicated apps for both iOS and Android!

You must sign up for a new online account to play casino games at real-money mobile casinos. Registration is straightforward via the ‘Sign Up’ or ‘Register’ tabs on free casino apps.

First, pick a mobile casino from our list of recommended options. You can search for the casino app on the App Store or Google Play Store, then click ‘Install’ and 'Open' or ‘Play’ once it finishes.

1. Open the online casino app.
2. Confirm your location in a legal jurisdiction.
3. From the mobile gambling account dashboard, click ‘Sign Up.’
4. Enter your email and a promo code (optional).
5. Follow the on-screen instructions to enter additional personal details (name, address, mobile phone number, the last four digits of your SSN).
6. Confirm that you’ve provided accurate information and complete your registration.
7. Make a qualifying deposit (if necessary) to receive a casino bonus.

Some players may get asked to prove their identity using know-your-customer (KYC) protocols. Pay attention to the phone operating system/storage requirements. Players must be 21 or older to use real-money casino apps.

Bonuses and promotions are widely available on mobile casinos. With a deposit bonus code, players must make a minimum deposit to receive a welcome bonus. Other bonuses may include cash-back, free spins, or a ‘no-deposit’ bonus just for registering a new account.

Each bonus comes with terms and conditions players must follow to “unlock” their bonus as withdrawable cash. You can check the terms and conditions for your bonus to learn about contribution tables, eligible games, minimum deposits ($10 to $20), wagering requirements (10x to 75x), and more.

The best social casinos, aka 'sweepstakes casinos' or 'sweeps casinos', offer casino-style games to eligible players across the U.S. Players can enter sweepstakes casino contests by signing up for a new account. Like real money casinos, players signing up for a sweepstakes casino for the first time will usually get a welcome bonus. The difference is that sweeps casino bonuses instead award virtual currencies like Gold Coins (GC) and Sweepstakes Coins (SC). These virtual currencies are also available a multitude of other ways, such as through online purchases from a sweeps casino store or even by written mail-in requests.

Unlike most real money casino apps, players use GC to play free games at sweepstakes casino for entertainment purposes. SC, on the other hand, has monetary value and can therefore be exchanged for redeemable prizes and cash once a minimum threshold has been reached. Oftentimes, the minimum SC requirements are $50 for electronic gift cards and $100 for real cash withdrawals.

Be sure to click on any of the links in this section for more information if you find yourself in a state where real money online casinos aren't yet legal.

Responsible Gaming (RG) protocols at mobile casinos help educate players about problem gambling. For an enjoyable experience on gambling apps, practicing proper bankroll management when using real money (i.e., only wagering 1% to 5% of your bankroll per bet) is essential.

Click the RG section from your mobile casino to learn about setting limits on deposits, sessions, wagering, and more. Don't hesitate to contact 1-800-GAMBLER if you think you or someone you know may have a gambling problem.

For more information, take a look at our responsible gambling resources.

Overall, the best online casino apps have been revolutionizing the online casino scene for quite some time. Naturally, you'll first need to choose a casino to get started with online casino apps. Install your casino app of choice, and sign up through any of our links found in the table at the top of this page to ensure you've opted into an available welcome bonus. Once registered and verified, select the game you want to play.

When choosing which online casino is best for you, always consider bonuses and promotions while remembering to consult the terms and conditions. Security and safety remain paramount, while payment methods and payouts speeds can make a difference too. Fortunately, we've done the leg work and have compiled a list of the best online casino payouts for those looking to get right into it. Why not try your luck at the best online casino apps today? When ready, simply click any of the links found atop this page.