STACKWISE
How it worksBrowser extensionCards & rewardsPricingAbout
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YOUR MONEY, WORKING HARDER

The best way to pay,
before you check out.

No tab-hopping. No spreadsheet. No reward maths. The browser extension brings Stackwise into the moment of purchase.

Find my best stack →See how it works
Free to get startedWorks across major browsersPrivacy by design
STACKWISE

Every saving layer, in the right order.

One decision surface for discounts, gift cards, cashback, loyalty and card rewards.

✓ Use what you already have
✓ See the route before checkout
✓ Keep the experience simple
UK-firstBuilt for UK shoppers
Local-first privacyYour wallet can stay on your device
Official reward sourcesDesigned around trusted data
Free betaBe one of the first to try
DESKTOP FIRST

A useful pop-up, not a noisy one.

The extension is designed to recognise supported shopping contexts and show a concise route only when it can help.

Automatic context
Detect retailer and purchase context where technically possible.
Your own wallet
Compare only the cards, programmes and balances relevant to you.
Cross-browser roadmap
Build for Chromium first, then extend to Firefox and Safari as the product matures.
Checkout detected

Use 10% member code → go via cashback → pay with rewards card.

Estimated extra value£17.07
ROADMAP

Start on desktop. Expand everywhere.

The same decision engine can later power mobile, in-store and partner experiences.

Browser extension

Immediate checkout guidance online.

Mobile companion

Nearby merchant and in-store suggestions where permissions allow.

Partner surfaces

Embed Stackwise recommendations into member and merchant journeys.