Enjoy UK Mobile Slots Online & Best Slot Sites in 2021

Mobile slots or slot for mobile devices are pretty much a must-have these days for any online casino. With an overwhelming portion of UK Players preferring to play casino games, and slots in particular, on their smartphones and tablets.

Last Updated on 01/09/2021 by George Mizzi

How we Select the Best UK Mobile Slot Sites?

We take great care of selecting the online casino sites and do so on the basis of a set of criteria, to make sure our users can enjoy the best slots on mobile phone and overall best gaming conditions. To ensure fair and fun gaming we have carefully researched the top UK online casinos in our casino reviews section.

Mobile Compatibility


Mobile compatibility is obviously the number one thing we look out for in mobile online casinos offering the best mobile slots. Game selection is also a big deal, which we’ll cover in a little bit. But the most important thing is that the slots work in the designated apps, as well as for in-browser play with a flawless user experience.

Slots Variety


The fun factor is high on our list of priorities when filtering mobile casinos – after all, that’s what we’re all in this for. And you can’t expect to enjoy your time at an online gaming site if there aren’t enough slots to choose from. So we make sure that our listings have plenty of variety of titles from only the best providers in the industry.



Reputation is a big deal, regardless of what other things you’re looking for in an online casino. We only list sites that have either been around for a long time and have earned a good name for themselves, or casinos that are managed by established gaming operators, who also have a number of years under their belts.

Mobile Slot Bonuses


Everybody likes a good bonus offer. So it’s no less important that good mobile casinos have attractive promotions to welcome new players with, as well as keep existing players coming back for more. We have listed the best casino bonuses with their significant terms and a wagering calculator to inform you better.

Best Mobile Slot Bonuses

When it comes to mobile slots, free spins tend to be the go to type of bonus on most online casinos. Occasionally, you may also receive free money that you can use to bet on mobile slots. No deposit bonuses are also fairly popular, although these are most often also delivered in the form of free spins for mobile slots. No deposit bonus offers don’t have to necessarily be only for new players, though. It’s common for casinos to give returning players different kinds of bonuses as a token of appreciation or as part of the loyalty program of the particular platform. Mobile slots free spins can also be won as part of various other promotions (e.g. seasonal promotions, weekly bonuses, wheel-of-fortune-style offerings, etc.). Here are some of the most attractive mobile slots bonus offers provided from our top casino picks with mobile slots, free sign up bonus offers included.

Pay by Phone Mobile Slots

Many online casino sites offer the option to use your phone to pay on mobile slots, as mobile deposit slots can give players that extra bit of convenience. And there are different options for you to deposit money for mobile slots. Pay by phone bill, for instance, is a very common one that is exceptionally hassle-free. There are several payment providers out there that give players this unique opportunity. And some of its advantages are that in most cases it does not require any registration. You won’t be bothered by having to sign up and create an account, memorize passwords and login details, etc. Furthermore, when opting for pay by mobile slots (UK players being especially fond of this option), you are not required to type in any sensitive data like financial or personal details, which eliminates the risk of it being stolen or misused.

Typically, you make the mobile slots deposit by phone bill. This means that you only need your phone number to make your deposit. And the amount of your transaction is simply added to your phone bill at the end of the month. Alternatively, if you are using a prepaid card, then the deposit amount is instantly deducted from your prepaid balance. Paying by phone is especially great for mobile casino fans because when using your smartphone or other portable device, you don’t really want to go through the hassle of switching between apps or browser tabs in order to confirm transactions. So the ease of simply typing in a phone number in the casino lobby is one of the other aspects of this payment method that make it so appealing to mobile slot players.

Best Mobile Slot Sites for Real Money

Mobile slots can be fun to explore in demo play, but the real thrill is of course in the mobile slots for real money. So we’ve listed some of the best real money online casinos that offer exactly these kinds of high-quality mobile slots. Real money titles can often also be tested for free, in case you want to make sure you like them before putting in real cash.

Latest Mobile Slots 

Most Popular Mobile Slots in the UK

Mobile slots are great, but mobile slots that accept players from your country are the best mobile slots. UK-friendly slots, in particular, are sought after, because it takes a little extra effort on behalf of an online casino to be able to provide its services to customers from the UK. Why? The simple answer is: the UK Gambling Commission. In order to obtain a license from this authority, which is regarded as one of the strictest in the world, the online casino needs to really show a high level of safety and fair play. And there are a ton of other criteria it needs to answer to, as well. So these are our top picks of casinos with the best mobile slots – UK players accepted.

Should You Play at a Mobile Slots Casino?

It’s not only up to the casinos to have their platforms optimized for mobile use. It’s also largely up to the game developers to ensure that their products can be seamlessly integrated across all platforms. So whether you prefer to play slots in your browser, or whether you would like to download the casino’s app instead – there’s a large selection of mobile slot games by the world’s leading software providers to choose from.

Top 3 Mobile Slots Casinos for October

US Players not Accepted
  • Live Dealer Games
  • Professional Customer Support
  • Variety of Casino Games
18+ New Players.£10 Min Deposit.£5 Max Bet. 40X Wagering Applies.Bonus Valid 14 Days.30 Spins Credited Instantly+30/daily for 9 Days on Pre-Selected Games.Free Spins Valid 72h.Max Free Spins Winnings £100.Ewallets Excluded.Full T&C'S Apply.
100% Welcome Bonus up to $1000 and 300 Free SpinsUS Players not Accepted
  • Accepts Players from Many Countries
  • PayPal Payments Available
  • 700+ Slots Games
18+ New players.£10 min deposit.£5 max bet.40x wagering applies.Bonus valid 14 days.30 Spins on Starburst instantly+30/daily for 9 days.Free Spins valid 72h.Max Free Spins winnings £100.Ewallets excluded. T&Cs Apply
US Players not Accepted
  • Live Games Available
  • Fast Withdrawal Times
  • Great Game Selection
18+ New players.£10 min dep.£5 max bet.40x wagering.Bonus valid 14 days.20 Spins instantly+20/daily for 9 days on pre-selected games.Free Spins valid 72h.Max Free Spins winnings £100.Ewallets excluded.T&C's Apply


More Mobile Slots Casinos to Explore


Mobile Slots FAQs

What are mobile slots?

Mobile slots are basically any type of online slot games that are also optimized to be accessed and used on mobile devices, such as tablets and smartphones. Mobile slots can be played in two main ways. You can either access them through the casino’s website via the browser on your portable device. Or you can access them via the casino’s app, if there is one available.

What slots are optimized for mobile gaming?

Pretty much all online slot games these days are optimized to fit in the screens of mobile devices, regardless of the operating system they use. Thus, nowadays you can pretty much be certain that you will be able to access the slots from most of the well-known developers, be it via your browser or through the casino’s app.

Are mobile slots better or worse than desktop slots?

Neither, but that will also depend on your preferences. The general rule is that slot games these days are made to deliver the same quality visuals and sound effects across all platforms. Whether you prefer to play using a mouse and keyboard or only with your fingertips, though, is a matter of personal choice.

What are the best online casino sites for mobile slots?

We have listed the most reliable and top-of-the-line online casino sites to help you make an informed decision about which platforms to try out.

Can you play mobile slots with real money?

Yes, you certainly can. Although most online slot games will also have a demo mode that you should be able to access on your mobile device as well, you should without doubt be able to deposit and play with real money as well.

Are mobile slots safe to play?

Yes, they generally are. Of course, that depends on the exact online casino you are playing at. But as a whole, playing slots on your mobile device is just as safe, if not even safer, than doing so on a desktop computer thanks to something known as a “sandbox”. We’ve narrowed the casinos down to only the most secure and reliable ones, so be sure to check them out.


Author: George Mizzi
Chief Slot Analyst
When it comes to slot games, no one knows them better than our chief slot analyst George Mizzi. George started playing video slots back in 2011, and since then, he became inquisitive about all things slots. He became entrenched in the mechanics of them and quickly became an expert in how slot games work.