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Short answer: you often don't have to choose. Shopping portals and card rewards come from different sources, so many purchases can earn both. This guide explains how each works, how to stack them, and which matters more for different kinds of spending.
Key takeaways
- Cashback portals pay you part of the commission a store pays them. Rates vary by store, and payouts are "pending" for weeks.
- Card rewards pay a percentage or points on almost everything you buy, commonly around 1% to 2%.
- You can usually stack them: click through a portal, then pay with your rewards card.
- Never carry a balance for rewards. Card interest costs far more than any reward rate.
Want a free cashback portal to try?
Sponsored link: we may earn a commission if you sign up and shop through it, at no extra cost to you.
Explore ShopBack cashback (US)
Explore ShopBack cashback (US)
Sponsored link: we may earn a commission if you sign up and shop through it, at no extra cost to you. US only.
US only. Free to join. Cashback stays pending until the store confirms your order, and you need $5 confirmed to withdraw by PayPal or bank transfer.
How cashback portals work
Portals like Rakuten and TopCashback earn a commission when you click through them to a store, and share part of it with you. Rates vary by store and change often. Cashback usually shows as "pending" for weeks and can be denied if you return the item or if tracking fails (ad blockers and other extensions can interfere).
Another option: ShopBack (US) is another free cashback option. It works on the web, in its iOS and Android apps, and as a browser extension for Chrome, Edge and mobile Safari. The extension reminds you on partner stores so you can activate cashback before you check out. Cashback shows as pending until the store confirms the order (returns or cancellations reverse it). Once you have at least $5 confirmed, you can withdraw by PayPal or bank transfer. Rates vary by store, and using another coupon or cashback extension in the same checkout can stop it tracking.
We may earn a commission if you buy through these links, at no extra cost to you. The ShopBack link is sponsored.
Tips for making portal cashback track
- Start at the portal (or let its extension activate) right before you check out, in the same browser.
- Turn off ad blockers and other coupon extensions for that visit.
- Only use coupon codes the portal lists, or check its terms, because outside codes can void cashback.
- Keep your order confirmation. Most portals have a missing-cashback claim form, and you'll need the order number and date.
How credit card rewards work
Cards pay a percentage back or points on spending, commonly around 1% to 2% on everything, with higher rates on some categories such as groceries, gas or dining. Points can be worth more or less than a cent each depending on how you redeem them, so check the value before you cash in. Sign-up bonuses can be large but usually require spending a set amount in the first few months.
Side-by-side comparison
| Cashback portals | Card rewards | |
|---|---|---|
| Where it works | Participating online stores (some in-store offers) | Almost anywhere the card is accepted |
| Typical rate | Varies by store, from a fraction of a percent to double digits during promotions | Around 1% to 2%, more in bonus categories |
| When you get it | Pending for weeks until the store confirms | Usually with your next statement |
| Main risk | Tracking fails or returns reverse it | Interest and fees if you carry a balance |
| Cost to join | Usually free | Some cards charge an annual fee |
How to stack them
- Start at a cashback portal and click through to the store.
- Apply any store coupon code (check the portal's terms, since some codes not listed by the portal may void cashback).
- Pay with your rewards card.
Some card issuers also run their own shopping portals and targeted card offers. Don't assume these stack with a different portal; check the terms.
A worked example
Say you buy a $400 laptop at a store where a portal is offering 3% back and your card earns 1.5%. If both track, that's $12 from the portal plus $6 from the card, $18 in total, on top of any sale price or coupon. If you return the laptop, both are usually reversed.
Which saves more?
- Everyday small purchases: card rewards usually matter more, because portals don't cover groceries or most local spending.
- Big online purchases at participating stores: portal rates can beat card rewards, especially during bonus-rate events.
- Travel bookings: portals sometimes offer high rates on hotels, but read the terms, since some bookings (or prepaid rates) are excluded.
The big pitfall
Card rewards are worthless if you carry a balance. Credit card interest rates are far higher than any reward rate, so pay in full each month. And never buy something just for the cashback. A 10% rebate on something you didn't need is still a 90% loss. For timing big purchases, see the best times of year to buy.
Frequently asked questions
Can I use a cashback site and a credit card at the same time?
Usually, yes. The portal pays you from the store's commission, and the card issuer pays rewards on the purchase, so the two normally stack. Check the portal's terms for coupon or payment exclusions.
Why is my cashback still pending?
Stores confirm orders only after their return window passes, so cashback often stays pending for several weeks. If it never appears, use the portal's missing-cashback form with your order number.
Do cashback apps affect my credit score?
No. Shopping portals aren't credit products and don't report to credit bureaus. Credit cards do, so on-time payments and low balances matter there.
Is cashback taxable?
In the US, rebates on purchases are generally treated as a price reduction rather than income, but rules can differ for sign-up bonuses or referral rewards. Check with a tax professional if you earn large amounts.
Carrying a card balance also affects your credit score. Our sister site explains how credit utilization works.
Want all of this on one page? Our printable savings checklist sums up the 12 core tips. It unlocks after you try a sponsored app, so skip it if you'd rather not. Unlock the checklist (sponsored).