Round Lab: Shopping portal cashback & miles rates
roundlab.com
Checked 8h ago · 6 portals compared
Every portal below pays you for starting your Round Lab purchase there: they split the commission they get from Round Lab with you. Same store, same checkout, same order, but cashback or miles on top. New here? How portals work
Best Round Lab rate right now
Verdict:
2 rate changes in the 41 days we've tracked it. Last moved Aug 26, 2026. TopCashback has held the top cashback rate longest: 27 of 41 days.
Cashback
Category rates & exclusions
- Online Purchase · most items 3%
Exclusions: - Use of a coupon code not displayed on TopCashback. Terms: - Cash Back is calculated only on the item(s) price and does not include taxes, shipping or other fees. - Cash Back earned cannot exceed the total purchase amount. - Should your Cash Back fail to track automatically, please submit a Missing Cash Back Claim within 100 days of your order.
Details last checked 3d ago, we’ll re-check soon.
Show all 5 cashback portals
What doesn't earn
Not eligible for purchases of gift cards. For subscription purchases, only eligible on first paid subscription. Active subscription and payment validation required.
Points
Joining a portal through a link here may earn us a referral bonus; it never changes these rates or their order. Details
How this tool is funded
Some links here are referral links: if you join a portal through one, that portal may pay us a referral bonus. It never changes the rates we show or how we rank them. How we make money
Best play
Stack the portal with the right card: the same purchase earns two ways.
Also fits: Bank of America Customized Cash Rewards (3% back on online retail) · Amex Blue Business Plus (2x Amex points on everything)
Card earn rates are our own notes, not live data. Issuer caps and terms apply, so double-check before counting on one.
Rate history last 21 days
Full history →Round Lab's best cashback rate has changed 2 times since Jul 17, ranging 3% to 5.05%.
Each line follows the best rate on offer at that moment, whoever was paying it. Currently: Cashback via TopCashback, Points via Rove Miles. Same scale, different currencies: "3" means 3% cash, 3 pts/$, or 3 mi/$.
Every account sees the last 21 days here. Premium goes back to day one.
Recent changes last 21 days
Common questions
Which shopping portal pays the most at Round Lab? +
Right now 5.05% on TopCashback leads, out of 6 portals we track for Round Lab. The full side-by-side comparison of cashback, miles, and points is above.
Is 5.05% a good cashback rate for Round Lab? +
5.05% on TopCashback is the highest we've ever seen for Round Lab (typical 3%).
Can I earn airline miles or points for Round Lab through a shopping portal? +
Yes, the top is 8.6 pts/$ on Rove Miles. Airline and card portals often pay miles or points instead of cashback.
How often do Round Lab's cashback rates change? +
Round Lab's best cashback rate has changed 2 times since Jul 17, ranging 3% to 5.05%.