kwiff UK: Sign up offer and sports promotions in 2023 | The Sun

FOUNDED in 2015 by Unibet chief Anders Ström, kwiff has the bold aim of revolutionising sports betting.

Its unique selling point has added a new verb to the UK lexicon – to be ‘kwiffed’ – which could see your odds boosted for every bet you place.

kwiff sign up

Bet £10 get £20

18+ only | New customers only. Min. deposit of £/€10. Qualifying real money bet of £/€10. Min odds greater than or equal to 1.5 required. E/W bets excluded. Offer credited within 48 hours. More T&Cs apply.


Here’s everything you need to know about kwiff.

What we love about kwiff

  • You can enjoy ‘supercharged’ odds
  • Plenty of promotions and bonuses
  • The app is particularly good for live betting

Where kwiff falls flat

  • Only a small number of payment methods are accepted
  • The site design is not as intuitive or responsive as some rival sites

Latest kwiff offers and bonuses for sports

One of the main perks of using kwiff is the sheer number of bonuses and promotions it offers to both new and existing customers.

There’s a standard – but generous enough – welcome bonus, loyalty and refer-a-friend schemes, and promotions that include Acca Shield and Supercharged Weekend.

Terms and conditions apply for all kwiff’s offers, and the instructions for claiming each can be found on its ‘Promotions’ page.

There’s also the possibility that your odds on any bet will be ‘supercharged’. kwiff’s algorithm will decide at random which bets to boost, so any wager you place could be enhanced.

kwiff welcome bonus

At the time of writing, the kwiff Welcome Bonus hands new customers a £20 ‘surprise bet’ when you wager £10 on any market at odds of ½ or longer.*

What is a surprise bet? Rather than handing customers free bets, kwiff instead uses its own in-house algorithm to place bets on your behalf. The jury is out on whether this is a good thing, or whether bettors might prefer traditional free bet credits instead.

To claim the kwiff Welcome Bonus, click the ‘Join’ button and register your new customer account.

kwiff sign up

Bet £10 get £20

18+ only | New customers only. Min. deposit of £/€10. Qualifying real money bet of £/€10. Min odds greater than or equal to 1.5 required. E/W bets excluded. Offer credited within 48 hours. More T&Cs apply.


Accumulator bonuses at kwiff

Although kwiff doesn’t offer a bonus profit on your accumulators, it does have an Acca Shield promotion covering many of the leading sporting events.

Place a £5+ accumulator with at least four selections (and minimum combined odds of 4/1), and if one of those picks loses, you will be handed a surprise bet for the same amount, up to a maximum of £20.*

Offers by sport at kwiff

One of the most popular promotions offered by kwiff is the 2nd Place Refund, which covers a number of UK and Irish horse racing meetings.

Bet £1 or more on any qualifying race, and if your pick finishes second to the SP favourite, your stake will be refunded as a surprise bet.

Fight fans can also benefit from kwiff’s One Punch Knockout promo. Place an acca of four selections or more on any MMA card with all picks at minimum odds of 1/2. If one of your selections loses, your stake will be refunded up to a maximum of £25 as a surprise bet.

The ‘Supercharge Your Weekend’ promotion is applied to different sporting events on an ongoing basis. At the time of writing, this promo was linked to cricket’s ‘top batsman’ market. Place a £10+ bet on any player in a qualifying game, and if they top score, then your bet wins and you’re rewarded with 50 slot free spins.

Finally, the kwiff Sport Club scheme could see you earn cash and surprise bets when you wager a certain amount per week on accumulators. Bet £50 or more on three-leg accas in the week up to Saturday and you’ll get £5 cash; £100+ in bets lands £5 cash and £5 in surprise bets; and weekly wagers of £250 or more earn £10 cash and £10 in surprise bets.*

*18+. Full T&Cs apply.

How to sign up at kwiff – step by step

To sign up for a kwiff account on your PC or laptop, click the orange ‘Join’ button on the homepage. You’ll be asked to fill in a form that includes details such as your email address, date of birth, postal address, and so on.

Choose your username and email, and then click to confirm your account. Once live, make your first deposit of £10 or more and you will be able to place your first bet with kwiff.

You can opt to download the kwiff app to your Apple and Android smartphone or tablet. Head to the App Store or Google Play Store and then search for kwiff. Tap the install button, and within a few moments, you will be able to find the app on your home screen.

kwiff sign up

Bet £10 get £20

18+ only | New customers only. Min. deposit of £/€10. Qualifying real money bet of £/€10. Min odds greater than or equal to 1.5 required. E/W bets excluded. Offer credited within 48 hours. More T&Cs apply.


How to place a bet at kwiff

Once you’re logged into your account on the desktop site, you will see the range of in-play sports that are live across the top of the page, and a simple menu on the left that separates sports, casino and ‘My Bets’.

The focus of kwiff is on live betting and upcoming events, so you will have to scroll down to the bottom of the sports page to find a list of games and tournaments that are taking place in the near future.

To place a bet, simply click on the odds next to the selection you wish to make. These will be added to your betslip, so you can add your stake and then tap ‘Place Bet’.

To place an accumulator with kwiff, just add three or more selections to your betslip. The odds will then be multiplied together and displayed on screen.

How to get the most out of live streaming with kwiff

Although kwiff doesn’t offer live streaming for all sports, it has begun to show some UK horse racing meetings on its website and app.

For any race that has a stream, you will see the ‘Watch Race’ button pop up once the action is moved to the in-play betting feed.

You can bet on the race, perhaps using kwiff’s Second Place Refund promo if you are taking on the favourite, and easily stream the action in real time.

How to claim your kwiff bonus

To get started with kwiff and claim your welcome bonus, follow the steps below:

  • Click the ‘Join’ button on the kwiff homepage
  • Fill in the registration form on screen
  • Enter a live kwiff promo code if prompted
  • Complete your registration

Once your account is set up, you can make your first deposit (£10 or more to qualify for the sign-up bonus), and then wager £10 on your first bet at odds of 1/2 or longer. You’ll then receive £20 in surprise bets in the next few days.*

kwiff sign up

Bet £10 get £20

18+ only | New customers only. Min. deposit of £/€10. Qualifying real money bet of £/€10. Min odds greater than or equal to 1.5 required. E/W bets excluded. Offer credited within 48 hours. More T&Cs apply.


*18+. Full T&Cs apply.

kwiff payment methods

At the time of writing, kwiff only accepts four different payment methods for deposits and withdrawals, but the hope is that more will be added going forward. kwiff accepts the following payment methods:

  • ecoPayz
  • PayPal
  • Visa
  • Mastercard

kwiff withdrawal options

To withdraw your winnings from your kwiff account, head to the banking section of the website/app and select ‘Withdrawal’.

You’ll see the accepted payment methods listed there. At the time of writing, these were Visa, Mastercard, PayPal and ecoPayz. Select your preferred option, decide your withdrawal amount, and then complete the instructions on screen.

kwiff minimum deposit

With any of the payment methods listed above, the minimum deposit you can make is £10.

How to use cash out feature

For bets that qualify, you may be offered a cash-out value once the event is underway. If you have placed an accumulator, you may be offered a cash-out value if one or more of your selections has won earlier.

You will find full details of your open bets and their current cash-out sum under the ‘My Bets’ tab. If you want to lock in a profit or cut your losses, just click on the cash-out button to close your bet early.

Your cash-out value may be ‘supercharged’ once you have closed your bet. This could increase your odds, and therefore your payout, if kwiff does decide to supercharge your odds.

How can I win free bets?

kwiff has replaced the free bets that many bookmakers offer with its own ‘surprise bets’ concept.

Instead of being handed free bet credits to use as you want, kwiff will place bets on your behalf that have been selected by its own in-house algorithm. If these win, you will be paid out as normal (minus the surprise bet stake).

There are plenty of ways to claim surprise bets at kwiff, including claiming the Welcome Bonus or opting for the kwiff Sport Club on a weekly basis.

Remember to gamble responsibly

A responsible gambler is someone who:

  • Establishes time and monetary limits before playing
  • Only gambles with money they can afford to lose
  • Never chase their losses
  • Doesn’t gamble if they’re upset, angry, or depressed
  • Gamcare –
  • Gamble Aware –

For help with a gambling problem, call the National Gambling Helpline on 0808 8020 133 or go to to be excluded from all UK-regulated gambling websites.

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