Supermarket Cashback Comparison UK
Compare supermarket cashback rates in the UK. My Side Gig checks instant cashback rates from EverUp, TopCashback, Quidco and JamDoughnut, helping you find the best gift card cashback before you do your supermarket shop.
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Looking for other supermarket cashback providers?
Check out our full UK guide where we compare the best instant cashback apps, supermarket gift card rates and sign-up bonuses across the sector — including providers like EverUp, JamDoughnut, TopCashback and Quidco.
There’s also Aldi cashback available too, with Onsi currently offering 3% cashback on Aldi gift cards.
👉 See our full cashback comparison guide.
👉 Read our Onsi guide.
FAQ’s
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We focus on these three providers because they consistently offer the highest instant cashback rates on gift cards. While there are other platforms, these are usually the best value for everyday shoppers.
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We refresh our feed once per day, and you’ll see the last update timestamp at the top of the page. Rates can change quickly, so it’s always worth double-checking with the provider before purchasing to make sure the offer is still live.
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No — once you’ve purchased a gift card at a certain rate, that’s locked in. However, rates can vary from day to day, which is why we update regularly.
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Yes, you’ll need to sign up with your chosen provider to purchase and receive cashback. Each has its own app or website where you manage your account.
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Sometimes, you may actually get more value by signing up to a new provider and grabbing their welcome bonus. You can see the best offers here.
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Instant cashback means you get your reward at the same time you buy the gift card — no waiting months for payouts like traditional cashback sites. For a full breakdown, check out our guide here.
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Yes! In some cases, you can earn extra cashback by paying for your gift card with a debit or credit card that offers rewards. We’ve put together a full guide on which banks and providers give cashback on debit card spending here.
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This depends on the provider and the gift card. Some let you buy as little as £5, while others may have higher minimums. Always check the terms before purchasing.
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Generally no — the listed cashback rate is what you’ll get back, with no hidden fees. That said, always check with your chosen provider if you’re buying in larger amounts.
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Use the provider offering the highest rate at the time of purchase (that’s where our tool helps!).
Take advantage of welcome bonuses if you’re new to a platform.
Stack cashback with a reward-paying debit/credit card.
Only buy gift cards you’ll definitely use — cashback isn’t worth it if you don’t spend the card.
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