Sportsgrid Staff
Host · Writer - Published: 05/19/25
SportsMillions has a 4.8-star rating on the App Store
Mcuck is now available in the App Store and Google Play
Get exclusive promotions at Stake.us with the ‘SPORTSGRID’ code
Let’s face it, in this day and age, most of us prefer to play casino-style games on our phones, given the choice, am I right? That’s why I searched for the best sweepstakes apps for US players in 2025.
Many of the top brands, including McLuck, have official and highly rated apps that you can download from the App Store and Google Play. Others, such as Real Prize and Stake.us, allow you to access their games on mobile download-free via their web-based platforms. Both options have their advantages, and you can find the right one for you below.
I’ll start as I mean to go on and introduce you to the top sweepstakes casinos that you can play for free on mobile right now. I’ve also mentioned the bonus offers and any social casino promo codes that you may need to claim.
| Mobile sweepstakes casino | Sign-up offer | Promo code | Best mobile slot |
|---|---|---|---|
| Real Prize | 100k GC + 2 SC | N/A | Hot Triple Sevens |
| Stake.us | Up to 56 SC + 560k GC + 5% rakeback | ‘SPORTSGRID’ | Snakes |
| McLuck | 7,500 GC + 2.5 SC | N/A | Gates of Olympus Super Scatter |
| SportsMillions | 1,000 GC + 3 SC | N/A | Epic Stars |
| MyPrize | 1,000 GC + 1 SC | N/A | Inferno Fortune Power Hit |
If you like the sound of playing 450+ slots on your smartphone for the chance to win real prizes but without downloading any software, this is your best option. While the sweepstakes casino is 100% accessible through the website, you can easily install a desktop gateway icon for an app-esque experience.
When you initially sign up to this sweepstakes casino on your mobile, you will get a free sign-up offer consisting of 100,000 Gold Coins (GC) and 2 free Sweeps Coins (SC). You can use this bonus to play many exclusive mobile slots, including Hot Triple Sevens by Evoplay.
Like Real Prize, you can access Stake.us via the mobile-optimized website, which contains over 2,000 casino-style games. While the slots and table games are great, I recommend testing out the Stake Originals (house games), especially the new additions like Snakes and Rock Paper Scissors. If you prefer, Stake.us also has a dedicated app that you can easily download on your phone.
To play free online slots with a bonus at this sweepstakes casino, make sure to register with the promo code ‘SPORTSGRID’. This will get you bonuses totalling up to 560,000 Gold Coins (GC), 56 Stake Cash (SC), and 5% rakeback over your first 30 days as a new player.
Those of you with iOS devices can download the app from the App Store, where it has an impressive 4.3-star rating. For Android players, it’s offered on Google Play and has a 4.1-star user rating.
The app is packed with over 1,500 slots and plenty of fun features, including the “McJackpot; a progressive jackpot feature that you can apply to all slots on the app. When you initially download the app and create a new account, you will get a 7,500 GC + 2.5 SC welcome offer.
The SportsMillions app is unique because you can play casino-style games and make social sports picks all under one roof. This means that you can be playing top mobile slots like Epic Stars one minute, and then place social bets on Sunday’s NFL games the next.
To get the ball rolling, all new players on this app get 1,000 GC + 3 SC. In the App Store (iOS), it has a hugely impressive user rating of 4.8 stars, however, it’s not yet available on Google Play.
If you’re really into the “social” element of a social casino, MyPrize.US is one of the best mobile-optimized websites. This sweepstakes casino contains Social Rooms, where you can play arcade-style multiplayer games with other players live and interact with them.
New players on this sweepstakes casino web-based platform can get 1,000 Gold Coins (GC) and 1 Sweeps Coin (SC) upon sign-up. This might not sound like much compared to other brands, but the existing player promotions are frequent and plentiful in my experience.
We’ve looked at the best sweepstakes casinos, but now I’d like to introduce the best slots and casino-style games on each app:
| Mobile slot | Why I picked it |
|---|---|
| Hot Triple Sevens | Animations created specifically for smartphones |
| Snakes | The latest Stake Original game |
| Gates of Olympus Super Scatter | A new feature for a Pragmatic Play mobile classic |
| Epic Stars | A simple slot for lag-free mobile gameplay |
| Inferno Fortune Power Hit | The first launch in a new mobile slot series |
My top pick for the best mobile slot this month is Hot Triple Sevens, which is a classic fruit machine slot but with high-spec animation that’s been created to play on your smartphone. You can now find this game on the Real Prize and McLuck apps and can enjoy the free spins and other features.
| Feature | Stats |
|---|---|
| RTP: | 96.01% |
| Volatility: | Medium/high |
| Provider: | Evoplay |
| Free spins: | Yes ✅ |
| Bonus round: | Yes ✅ |
| Min. spin: | 75 GC |
You can now download one of these apps or access the mobile website if you prefer the no-download option. As I’ve shown you, all of these mobile social casinos host top-tier slots and have a free welcome offer to get you started.
If you’re opting for Stake.us, don’t forget to sign up using the ‘SPORTSGRID’ code to get bonuses of up to 56 SC + 560k GC + 5% rakeback.
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