The verdict
ShopBack — ShopBack 54.5%, sg.SimplyBestCoupons.com 40.9%, 4.5% Tied
Who pays more, and how often
| ShopBack |  sg.SimplyBestCoupons.com | |
|---|---|---|
| Pays more at | 12 (54.5%) | 9 (40.9%) |
| Average advantage when ahead | +4.69% | +0.44% |
| Stores with live rates | 360 | 58 |
| Only on this portal | 327 | 25 |
11 shared stores are left out because one side quotes an "up to" ceiling rather than a guaranteed rate.
Top stores where ShopBack pays more
Top stores where sg.SimplyBestCoupons.com pays more
| Store | ShopBack | sg.SimplyBestCoupons.com | Advantage |
|---|---|---|---|
| Udemy | 4% | 6% | +2% |
| Antonioli | 4% | 4.25% | +0.25% |
| Autodesk | 4.5% | 4.750% | +0.25% |
| Blood | 5% | 5.25% | +0.25% |
| element14 | 5% | 5.25% | +0.25% |
| Paula's Choice | 2.5% | 2.75% | +0.25% |
| Qatar Airways | 1% | 1.25% | +0.25% |
| SmartBuyGlasses | 2.5% | 2.75% | +0.25% |
| Trend Micro | 14% | 14.25% | +0.25% |
ShopBack vs sg.SimplyBestCoupons.com cashback frequently asked questions
Across the 22 stores both portals cover with directly comparable rates, ShopBack currently pays more at 54.5% of them and sg.SimplyBestCoupons.com at 40.9%. Which is better for you depends on where you shop - the store tables above break it down.
ShopBack pays more at 54.5% of shared stores, by 4.69 percentage points on average when it does. sg.SimplyBestCoupons.com pays more at 40.9%, by 0.44 points. Winning more often and winning by more are not the same thing.
ShopBack has live rates at 360 stores and sg.SimplyBestCoupons.com at 58. But 327 are only on ShopBack and 25 only on sg.SimplyBestCoupons.com, so the wider catalogue is not automatically the better one for the shops you actually use.
Yes. Only one cashback portal can be credited for a given purchase, so the usual approach is to keep accounts with both and click through whichever pays more at that store. That is what this page is for.
Rates were last verified September 6, 2026, and this page recomputes when they change.
Methodology
Based on 22 overlapping stores where both portals quote directly comparable rates. Rates verified September 6, 2026.
ShopBack · sg.SimplyBestCoupons.com · All portal comparisons