Kwiff Casino review (2026)

UKGC licensed#24 in our rankingProvisional score

Operator: Eaton Gate Gaming · UKGC account 44448

8.7

Kwiff Casino review: our verdict

Our Kwiff Casino review verdict: Kwiff is a modern, app-first brand that suits players who want sport and casino in one phone app and like wager-free spins. The welcome spins arrive in daily batches after a £20 stake, with no wagering but a cap on what you can withdraw from them. The brand is younger and smaller than the big bookmakers, and its signature "supercharged" odds boosts apply to sports bets rather than casino games.

This is a provisional review, built from the UK register, published terms and public reporting. We will replace the score after our own test.

Kwiff score breakdown

This is a provisional score, based on public information about the licence, offers, payments, games and apps. It will be replaced by a full score after our hands-on test. Weights and criteria are explained on how we score casinos.

Kwiff Casino sign up offer

The Kwiff Casino sign up offer is currently 200 Free Spins on Book of Dead. To claim it, you wager £20 in cash on slots within five days of your first deposit. Spins then arrive in daily batches of 40 for five days, each worth 10p. There is no wagering on spin winnings, but withdrawals from them are capped at £250. E-wallets and virtual cards do not count towards the qualifying deposit, so use a bank card.

Is Kwiff Casino legit?

Yes, Kwiff Casino is legit. It is licensed by the UK Gambling Commission to Eaton Gate Gaming Limited, account 44448, which you can check on the public register. The licence requires Kwiff to verify players, use tested games, provide deposit limits and time-outs, and take part in GamStop. Complaints not resolved within eight weeks can go to the independent dispute service named in its terms.

Who owns Kwiff?

Kwiff was founded in the mid-2010s by Anders Ström, who also founded Unibet, with co-founder Karl Engström. It is run by Eaton Gate Gaming Limited and built its name on "supercharged" bets, where an accepted sports bet can be randomly boosted to higher odds. That feature does not apply to casino games.

Kwiff sister sites

Kwiff sister sites on the same licence are GRP Casino and Slots King. Kwiff Casino is the casino-branded version of Kwiff, while GRP Casino and Slots King are separate casino brands. They share the licence holder and safer gambling systems, so self-exclusion with the operator covers all of them, and you can usually claim only one welcome offer across the group.

Kwiff slots and live casino

Kwiff slots include titles from the major UK studios, jackpots and Megaways games, with a live casino, table games and bingo alongside. The lobby is built for phones, with search and categories. UK slot rules apply: a £5 maximum stake per spin, or £2 for players aged 18 to 24, and no autoplay or bonus buy. Each slot's information screen shows its return to player, which is worth checking.

Kwiff withdrawal time and payments

We have not verified the Kwiff withdrawal time ourselves yet, so we do not quote one. The total time depends on Kwiff's approval and then on your payment method. Payment methods we have confirmed are Visa Debit, Mastercard Debit and Apple Pay; the cashier may list more. Read the withdrawal section of Kwiff's terms before you request one, including any rules on withdrawing soon after a deposit. Verify your account before your first withdrawal.

Kwiff app

The Kwiff app is the core of the brand, available for iPhone and Android, with sport, casino and the cashier in one place. Limits, reality checks and time-outs are in the account settings. The mobile site offers the same account if you prefer not to install anything.

Getting the most from daily spins

Offers released over several days are easy to waste. Each daily batch of Kwiff spins needs you to log in and play within its window, and the total you can withdraw from all of them is capped. If you will not be able to log in on consecutive days, the offer is worth less to you. Plan your sessions, use each batch on the named slot and stop when the spins are gone rather than topping up to chase a result.

Opening a Kwiff account

Registration asks for your personal details and runs an automatic identity check. If more information is needed, Kwiff will ask for documents in the app.

Kwiff customer support

Support is available through live chat and the help centre in the app. Use the in-app contact options to reach Kwiff directly.

Kwiff terms worth reading

Three parts of Kwiff's terms are worth reading before you deposit. The promotion terms set out the five-day qualifying window, the daily spin batches, the named slot and the £250 cap on what you can withdraw from spin winnings. The withdrawal terms explain processing, limits and any document checks. The account terms cover self-exclusion and closure, which apply across Kwiff, Kwiff Casino, GRP Casino and Slots King on the same licence. Kwiff is a sports-first brand, so also check which promotions apply to casino play and which only to sport.

Who Kwiff Casino suits

Kwiff suits mobile players who bet on sport and want wager-free casino spins in the same app. Players who want a large one-off bonus or the biggest possible slot library may prefer a casino-first brand.

Kwiff supercharged bets and the casino

Kwiff is best known for supercharged bets, where an accepted sports bet may be boosted to higher odds at random. It is a sportsbook feature only, and the casino follows the same rules as any other UK casino: fixed game maths, a published return to player and no random boosts on slots or table games. Choose Kwiff's casino for its offer and app, not in the hope of a boost.

Safer gambling at Kwiff

Kwiff offers deposit limits, reality checks, time-outs and self-exclusion. For a block on every UK site, use GamStop. The National Gambling Helpline on 0808 8020 133 is free and confidential.

Kwiff Casino vs similar casinos

Kwiff is usually compared with other app-first and wager-free brands. Here is how it compares with three of them.

Kwiff vs LiveScore Bet. LiveScore Bet is another app-first sportsbook with wager-free spins for a smaller £10 stake.

Kwiff vs BoyleSports. BoyleSports is an independent bookmaker founded in 1982, with separate Vegas and Bingo sections.

Kwiff vs MrQ. MrQ is a casino and bingo brand with no wagering on any of its bonuses, but no sportsbook.

Kwiff Casino review: FAQ