I tested the mobile version of Extreme Spins on an iPhone 13 and a three-year-old Samsung Galaxy A52, and both loaded the lobby without a stutter. Neither phone needed a store account or a software update to get there.
The Extreme Spins app is a progressive web app. It installs from your browser, weighs a few megabytes, and opens in its own full-screen window.
You won't find a listing in the App Store or Google Play. Extreme Spins skips both, so there is no APK to sideload and no 150MB file to wait for. The Extreme Spins app download is a shortcut you save from your browser, and on my Samsung it took under a minute on 4G.
The icon sits beside your other apps and opens without an address bar. The install adds a few megabytes of cache to your phone and uses no mobile data beyond loading the page once. Extreme Spins updates the software on its own servers, so you skip store update prompts.
A browser powers the whole thing, so you need a signal to play. Nothing loads offline.
The lobby opens on a row of categories: Popular, New, Megaways, Jackpots, Live Casino and Table Games. Swipe left and right through each row and tap a tile to launch the game. Demo mode runs without an account, but real-money play needs one.
I tapped the heart on Book of Dead, Sweet Bonanza and Lightning Roulette. All three moved into a Favourites row at the top of my lobby, which saved me scrolling on every later visit.
The bottom bar holds Home, Casino, Live, Promotions and Menu. Menu opens the cashier, loyalty scheme, support chat and account settings.
Does a dark theme tire your eyes on a long session? The Extreme Spins mobile casino uses charcoal backgrounds with purple and amber accents, and the text stayed readable on my phone in daylight on a train.
The search icon sits in the top bar. Type a game name or filter by provider, such as Pragmatic Play, Hacksaw or Evolution. When I combined a provider filter with the feature buy option, the list dropped to 14 slots in about five seconds.
Registration took me about three minutes on a phone keyboard.
Open the cashier from the Menu tab. The minimum deposit is £20. Visa and Mastercard debit deposits land in your balance as soon as you confirm, and Extreme Spins charges no fee, so £20 in means £20 to play with. Credit cards do not work for gambling deposits in the UK.
New UK customers can claim up to £500 plus 250 free spins across their first three deposits. The offer runs for seven days after you register.
The 40x wagering requirement applies to the bonus amount. A £20 bonus means you wager £800 before you can withdraw. Tick the bonus box in the cashier before you confirm each deposit, or you forfeit the match. I missed it once on the second deposit and lost £75 of bonus money.
Extreme Spins protects your connection with 128-bit encryption, and Google Trust Services issued the certificate behind it. Your card details and login travel through that encrypted channel.
The browser holds your session, so lock your phone with a PIN, password, fingerprint or face recognition. Anyone who picks up an unlocked handset can open your account, and Extreme Spins cannot stop that for you.
Two weeks of daily use gave me a clear list of gains and gripes.
18+ only · Please play responsibly · T&Cs apply