But you should watch out for offers on older games with low RTP, which reduce your chances of hitting winning spins. The slots on offer are usually great ones like Book of Dead, Starburst, and Gonzo’s Quest. Most of the time the bonus comes attached to one or more specific slot games.

Slot variety - When it comes to using your free spins, it’s rarely a free for all.

Some of the most popular options are VISA, Mastercard, Skrill, Neteller, and PayPal.

A great site will include bank transfers, debit cards (you can’t legally use a credit card to gamble online in the UK), digital wallets (ewallets), and even cryptocurrency. Payment methods - When it’s time to fund your casino account, you should be able to choose from a range of different payment options.

While casinos with other licences might be open to accepting players located in the UK, playing with them falls outside the law. In this way the players are protected by strict laws that ensure fairness and transparency. All online casinos that offer their services to UK players are required to hold a licence from the UK Gambling Commission (UKGC).

Licensing - Online casinos are required to operate with a gaming licence that holds them accountable and subject to a set of laws.

Most casinos will set a ceiling on how much you can win from your free spins, and it can sometimes be too little to bother with. Check whether the maximum cashout is capped or unlimited. Once you start looking under the hood, you’ll find that the bonus size is dependent on a number of factors.

Bonus size - Bonuses will often sound very alluring, offering the possibility of hundreds of free spins, but things aren’t always exactly as they seem.

This can seem overwhelming, and it's a lot of information to digest, but we’ve made it simple by highlighting the most critical points that set apart quality bonuses from time wasters. You need to take a close look at both the online casino, as well as the rules and restrictions relating to the individual bonus. There are several aspects to consider when choosing a free spins bonus. UK online casinos with the best free spins bonuses

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