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Best Online Slot Sites in 2024: Top US Slots

Updated at: November 25th, 2024
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What are the best online slot sites in the US?

The best online slot sites are DraftKings Casino, Caesars Palace Online Casino, and BetMGM Casino. This is based upon their slot-friendly casino features like payment methods, mobile experience, casino promos and bonuses, and customer support, which makes them the best slots to play online for real money.

Explore the best online slot sites legal in the US, expertly reviewed by our in-house betting and gambling team, well-versed in the casino slots industry.

We've rigorously tested and ranked the best slot sites for you.

Take a look at our reviews and find your next top slot site today...

Sporting Post is an independent comparison site for gambling platforms, helping readers find safe and legitimate options. We may earn a commission from some affiliate links, but this does not influence our rigorous and unbiased testing, ensuring honest recommendations and accurate information.

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Quick video - top slot sites

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Top online slot sites compared 2024

Ranking

Slot sites

Top feature

Number of games

Payout percentage

Payout speed

Sporting Post rating

1

DraftKings Casino

Best for beginners

800+

97.3%

1-5 days

5/5

2

Caesars Palace Online Casino

Best for promos + bonuses

900+

97.6%

1-2 days

5/5

3

BetMGM Casino

Best for mobile experience

200+

95.7%

1-3 days

4/5

4

BetRivers Casino

Best for loyalty program

300+

97.6%

1-3 days

4/5

Best online slot sites reviewed

Here’s where we share our thoughts on the top real money slot sites.

We’ve looked at the different online slot games, features, bonuses, and more to give you a comprehensive overview of the top slot sites.

1. DraftKings Casino - Best online casino slot site for beginners

DraftKings Casino overview

App store rating

4.7 (iOS), 4.5 (Android)

Number of games

800+

Casino promo

Play $1, Get $100

Minimum deposit

$1

Payout percentage

97.3%

Payout speed

1-5 days

Banking options

Visa, Mastercard, Discover, PayPal, eCheck, Play, Wire Transfer, PaySafeCard, Skrill

States active

NJ, PA, MI, CT, WV

Customer support

Live 24/7 chat, email, contact form, Twitter @DKCasino

Compatible devices

iPhone, Android, Windows, Blackberry

Year founded

2012

Last updated

December 2024

DraftKings Casino video review

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Summary

DraftKings Casino, founded in 2012, is the best option for beginners due to its intuitive interface and comprehensive tutorials.

When testing the platform, we experienced a wide range of low-stakes games, making it an ideal starting point for new players to learn without significant financial risk.

With over 600 games, including 500+ slots from top providers like NetEnt and IGT, bettors have a wide variety to choose from.

The low 1x wagering requirement on the welcome bonus and efficient banking methods only made our experience better.

DraftKings Casino also excels in mobile gaming, with dedicated apps for both iOS and Android, offering a well-designed interface, exclusive slots, live dealer games, and regular promotions.

Despite its high wagering requirements on some games and limited live chat support, DraftKings Casino remained a top choice for us, especially for beginners.

Read our complete DraftKings Casino review.

As someone who's tried many online casinos, I can confidently say that DraftKings Casino stands out for its incredibly fast withdrawals—usually hitting my bank account within minutes, which is practically unheard of in the industry.

The daily promotions are a smart way to keep players engaged, and their unique one-time wager requirement on bonus credits is an excellent deal, especially compared to the usual 35x playthroughs on other sites.

The game variety is impressive, featuring options that appeal to both casual players and seasoned gamblers like myself.

However, the real value lies in their responsible gambling tools, which are crucial for any serious bettor to manage risk effectively.
Sporting Post casino rating criteria

Casino feature

SmartStake score

Promos + bonuses 💰

4/5

Casino games 👾

4/5

Deposits + payouts 💵

5/5

Mobile experience 📱

4/5

Loyalty program 💞

4/5

Customer support 📞

4/5

Trust 🤝

5/5

DraftKings Casino pros and cons

We test and review every online casino, putting ourselves in the shoes of our readers and US casino players. Here are the pros and cons we experienced whilst using DraftKings Casino...

Pros
  • ✅ The exclusive casino slots and live dealer games are a great feature
  • ✅ Regular rewards and promo offers, which we experienced during testing
Cons
  • ❌ For some of the casino games, there were high wagering requirements
  • ❌ When trying to get in touch, there was no phone support available for us

2. Caesars Palace Online Casino - Best slot site for promos and bonuses

caesars palace online casino

Caesars Palace Online Casino overview

App store rating

4.5 (iOS), 3.8 (Android)

Number of games

900+

Casino promo

100% deposit match of up to $2,500

Minimum deposit

$10

Payout percentage

97.6%

Payout speed

1-2 days

Banking options

Mastercard, Visa, PayPal, Neteller, PayNearMe, online banking, eCheck, Paysafecard, Skrill

States active

MI, NJ, PA, WV

Customer support

Live chat (not 24/7), email: [state initials][email protected], phone support, Twitter @caesarsicasino

Compatible devices

Android, iPhone, Windows, Blackberry

Year founded

2009

Last updated

December 2024

Caesars Palace Online Casino video review

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Summary

We found that Caesars Casino excels in offering frequent promos and bonuses, as well as a robust rewards program that provides substantial incentives and ongoing offers to keep players engaged and rewarded.

Caesars Palace Online Casino has a premium gaming experience too with over 1,000 games and a generous $2,500 welcome bonus.

Their extensive games library is powered by top software providers like 888, IGT, and Big Time Gaming.

Players can also enjoy the benefits of the Caesars Rewards Program, linking online and offline play - something we appreciated.

Their excellent promo and bonus offers, partnered with premium gaming and a seamless mobile experience, means Caesars Palace Online Casino is certainly a casino we can recommend to our users.

Read our complete Caesars Palace Online Casino review.

I've found Caesars Palace Online Casino to be one of the most reliable platforms available, especially when it comes to quick and seamless payouts. The game variety is impressive, catering to both high rollers and casual players, which is a big plus in my book.

Their low playthrough requirements on bonuses are particularly advantageous, allowing you to see returns on your play much faster than with most competitors.

The platform also maintains a high standard of user experience, from responsive customer service to a clean, intuitive interface.
Sporting Post casino rating criteria

Casino feature

SmartStake score

Promos + bonuses 💰

5/5

Casino games 👾

4/5

Deposits + payouts 💵

5/5

Mobile experience 📱

4/5

Loyalty program 💞

3/5

Customer support 📞

4/5

Trust 🤝

5/5

Caesars Palace Online Casino pros and cons

We thoroughly test and review each online casino, taking on the perspective of our readers and casino enthusiasts.

Below, we outline the benefits and drawbacks we encountered with Caesars Palace Online Casino...

Pros
  • ✅ We really liked the high-value welcome promo and bonus offers with an extensive game variety
  • ✅ User-friendly mobile app was also great with seamless integration
Cons
  • ❌ We felt like the customer support service was a bit thin and availability is not 24/7
  • ❌ Caesars Palace Online Casino lacks a great loyalty program for existing customers, unlike other top onlinecasinos

3. BetMGM Casino - Best online slots for mobile experience

BetMGM Casino overview

App store rating

4.7 (iOS), 4.5 (Android)

Number of games

200+

Casino promo

$25 no-deposit bonus (MI, NJ, PA only)

Minimum deposit

No deposit required

Payout percentage

95.7%

Payout speed

1-3 days

Banking options

Mastercard, Visa, AMEX, PayPal, Apple Pay, Skrill, Play, online banking

States active

MI, NJ, PA, WV

Customer support

Live 24/7 chat, email: support.[state initials]@betmgm.com, phone support, Twitter @BetMGMCasino

Compatible devices

Android, iPhone, Windows, Blackberry

Year founded

2017

Last updated

December 2024

BetMGM Casino video review

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Summary

BetMGM Casino, a collaboration between MGM Resorts and Entain Holdings, has quickly become a prominent name in online gaming since its 2018 launch.

During our review, it stood out for its exceptional mobile experience with a logical app that adapted well to various devices we used, enhancing user accessibility.

The app’s smooth interface and extensive feature set make it a top choice for players who prefer gaming on the go.

Known for its extensive game library, BetMGM Casino offers over 1,700 options, with a significant focus on slots from top developers like NetEnt, Microgaming, and IGT.

The casino also features exclusive titles such as the MGM Grand Millions and the 'Buffalo' slot game - some of our favorites.

Players can also enjoy progressive jackpots exceeding $1 million and a generous welcome bonus of up to $1,000, plus a $25 no-deposit bonus.

Lastly, banking at BetMGM Casino is secure, supporting various popular payment methods and offering quick payouts - a great option for US players.

Read our complete BetMGM Casino review.

I've found BetMGM Casino to be one of the best platforms for fast payouts, often seeing my winnings in my PayPal account within hours.

Their live casino games are top-notch, providing an immersive experience that’s hard to find elsewhere. While their verification process can be thorough, it ensures security and adds to the platform’s credibility.

I've also been impressed with their customer service; they quickly resolved an issue I had with a bonus and even offered extra compensation.
Sporting Post casino rating criteria

Casino feature

SmartStake score

Promos + bonuses 💰

4/5

Casino games 👾

5/5

Deposits + payouts 💵

3/5

Mobile experience 📱

5/5

Loyalty program 💞

4/5

Customer support 📞

5/5

Trust 🤝

5/5

BetMGM Casino pros and cons

By stepping into the shoes of our readers, we rigorously evaluate every online casino.

Discover the advantages and disadvantages we found whilst using BetMGM Casino...

Pros
  • ✅ BetMGM have an excellent mobile app that is intuitive and easy to navigate
  • ✅ Progressive jackpot slots with high prizes for players, another great feature
Cons
  • ❌ Winnings withdrawals can take up to five days, which we found on occasion
  • ❌ Difficult-to-navigate help section on the site and app, not great for new users

4. BetRivers Casino - Best slot site USA for loyalty program

BetRivers Casino overview

App store rating

4.4 (iOS), 3.8 (Android)

Number of games

300+

Casino promo

100% refund up to $500

Minimum deposit

$10

Payout percentage

97.6%

Payout speed

1-3 days

Banking options

Visa, Mastercard, PayPal, online banking, Play, Vanilla, PayNearMe, eCheck, Skrill

States active

MI, NJ, PA, WV

Customer support

Live 24/7 chat, email contact, phone, Twitter @BetRiversCasino

Compatible devices

iPhone, Android, Windows

Year founded

2012

Last updated

December 2024

BetRivers Casino video review

Watch on YouTube

Summary

Through testing BetRivers Casino, we found that it excels in its loyalty program with a great iRush Rewards system, providing players with numerous opportunities to earn and redeem points.

This program not only rewards frequent play but also offers a variety of perks and benefits tailored to enhance the gaming experience for players.

Its software is intuitive and easy to navigate and players can enjoy a vast selection of slots, including popular titles like Starburst and progressive jackpots such as Divine Fortune.

Moreover, BetRivers Casino's live gambling section features even more high-quality games like Lightning Roulette and Infinite Blackjack, where you can win attractive bonuses with a standout 1x wagering requirement, making promotions genuinely valuable.

That being said, the range of table games is somewhat limited, and the desktop interface could be updated.

Overall, we ascertained that BetRivers Casino provides a solid online gaming experience with reliable customer support and robust security measures, making it a standout option in casino betting.

Read our complete BetRivers Casino review.

BetRivers Casino stands out as one of the most reliable platforms in the industry, especially with its fast payout system—my winnings often hit my account within minutes using their Rush Withdraw feature.

The game variety is impressive, offering many slots that are usually only found in physical casinos, which adds a unique value. The integration of social features within the casino creates a more engaging experience, something that sets BetRivers apart from other online casinos.

Their bonus system is straightforward with reasonable playthrough requirements, making it easier to actually enjoy your rewards.
Sporting Post casino rating criteria

Casino feature

SmartStake score

Promos + bonuses 💰

4/5

Casino games 👾

3/5

Deposits + payouts 💵

4/5

Mobile experience 📱

4/5

Loyalty program 💞

5/5

Customer support 📞

4/5

Trust 🤝

5/5

BetRivers Casino pros and cons

We analyze every online casino from the viewpoint of our readers and casino players.

Here is a look at the pros and cons we experienced whilst playing at BetRivers Casino...

Pros
  • ✅ We liked the low 1x wagering requirements on bonus money
  • ✅ A super loyalty program for existing players offering variety of bonuses and perks
Cons
  • ❌ Software interface feels a little outdated and could do with modernizing
  • ❌ Limited variety in table games unfortunately

How we rate & rank online slot sites

Our goal is to provide you with objective, concise reviews of US online casinos, highlighting their key strengths and weaknesses.

This includes the top US slot sites.

We use a set of essential criteria to evaluate each site, ensuring effective comparison.

  1. Game selection: We examine the variety and quality of slot games, like Classic Slots, 3D Slots, Progressive Jackpots, and 3-Reel Online Slots, ensuring a broad gaming experience.

  2. Bonuses & promotions: We review the generosity and fairness of welcome bonuses, no-deposit offers, and ongoing promotions, with a focus on transparent terms.

  3. Mobile compatibility: We test the platform's mobile performance, including casino app features, to ensure a seamless gaming experience on all devices for online slot players.

  4. Payment methods: We assess the range of deposit and withdrawal options, processing times, and any fees, prioritizing fast and secure transactions.

  5. Security: We verify that the best sites for slots are licensed in the US and use top-tier security measures like SSL encryption, so we only recommend safe online casinos.

  6. Customer support: We evaluate the responsiveness and effectiveness of support options, including live chat, email, and phone.

  7. Fair play: We review game fairness, focusing on return-to-player (RTP) rates and the integrity of random number generators, so online slot players can gamble securely.

We download each top online slot site and interact with the platform ourselves, using our own money to test the quality.

If we do not recommend the site to our friends and family, we will not recommend it to you!

This streamlined approach ensures you can make informed decisions based on what matters most in your online slot betting experience.

How do I choose the best online slot site for me?

  • Licensing and regulation: Ensure the site is fully licensed and regulated by reputable authorities such as the New Jersey Division of Gaming Enforcement or the Pennsylvania Gaming Control Board. This guarantees that the site operates legally and follows strict safety and fairness standards.

  • Reputation and user reviews: Research the site’s reputation by checking user reviews and industry ratings. A well-regarded platform is likely to offer fair games and superior customer service.

  • Variety of games: Look for a site that offers a diverse range of slot games from top software providers. A wide selection ensures players can enjoy different themes, payouts, and gaming experiences.

  • Bonuses and promotions: Compare welcome bonuses, free spins, and loyalty rewards across different sites. Generous promotions can boost your playing time, but always check the terms and conditions for wagering requirements.

  • Payment methods and withdrawal times: Ensure the platform supports secure and convenient payment methods like credit cards, e-wallets, or cryptocurrencies. Fast and hassle-free withdrawals are essential for a smooth gaming experience.

  • Mobile compatibility: Opt for a platform that offers a seamless mobile experience, either through a dedicated app or a responsive website. Mobile-friendly sites allow you to enjoy gaming on the go without compromising quality.

  • Customer support: Test the quality of customer support through live chat, email, or phone options. Efficient, 24/7 support can resolve issues quickly, enhancing your overall experience.

  • Fairness and RTP (Return to Player) rates: Check the site's RTP rates, which indicate how much a slot game pays back over time. Higher RTP percentages reflect better chances for long-term returns, increasing your overall value.

How to gamble responsibly on online slot gambling sites

Before we end this article, we need to caution you to always bet and play responsibly on the best slot sites.

To ensure you’re being cautious, these slot platforms implement various responsible gambling practices that will help you keep your betting habits in check and prevent unhealthy behaviors.

  • Limits: Online casinos allow you to set betting limits, i.e. limit how much you can bet in a day, a week, or a month.

  • Cashouts: You can withdraw your winnings quite easily from any online casino. This prevents you from spending all of your winnings. There’s also the option for early cashout, so you can still get paid if the bet is starting to go sideways.

  • Help & resources: Online casinos provide access to resources for problem gamblers and point them to organizations that can help with gambling addiction.

Responsible gambling organizations and charities in the US

Organization

Contact details

NCPC

Email: [email protected], Phone: 1-800-522-4700

Gambling Therapy

Email: [email protected], Phone: 020 7381 7722

VCGP

Email: [email protected], Phone: 1-888-532-3500

Frequently asked questions

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Editorial policy

Our editorial policy ensures extensively researched, accurate, and unbiased content through strict sourcing standards and diligent review by top betting experts and seasoned editors.

This process maintains integrity, relevance, and value in all of our content for our readers.

References

To test slot sites online accurately, we dive into analytical research of the casino betting industry, to understand what features are best for you.

Below are the references we use when making these decisions:

Author

Tobi Amure

Tobi Amure is Sporting Post’s resident casino expert and writer, bringing a rich blend of expertise in online gambling and cryptocurrency to our readers. With over four years of experience reviewing online casinos and seven years in the crypto industry, Tobi has honed his ability to evaluate platforms across key areas like bonuses, game selection, user experience, and security.

Josh Miller

Josh Miller, Sporting Post’s Sports & Casino Editor, brings over five years of experience in feature writing, blogging, and SEO. With a strong background in football coverage and sports betting, his work has been featured in VAVEL. Josh also writes extensively about online casinos, providing expert insights into games, bonuses, and gambling trends. His engaging and informative content makes him a reliable resource for Sporting Post readers.