Butter — Smart Card Recommender
By buttercard
Detects checkout pages and shows which of your Canadian credit cards earns the most on that purchase. Nothing leaves your browser.
Time on the storeUnder 6 monthsA rough range, not an exact date
Store users5As shown on the Chrome Web Store
Chrome Web Store rating5.0 / 51 rating on the Chrome Web Store
Last store update14 Aug 2026Version 3.48.0, 55 days ago
Inside the extension
Product image 1 of 5Reviews
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The maker
This is the only listing we know of from buttercard.
- Listings
- 1
- Combined store users
- ≈5
- Store Featured
- 0
Combined users can count the same person more than once. Maker profile
Ext Watch AI
Should you build in this niche?
One research report for Butter — Smart Card Recommender. Reports come with Plus, Pro and Max.
- Takeaway & demandCited takeaway and search volumes
- Traffic & domainPopularity rank, visits and authority
- Money & pricingPlans and prices from the maker’s site
- ReviewsComplaints and praise, quoted
- Competitors & ranksRank against the closest listings
- Build opportunityWhat to build and how to position it
- Every number shows its source and date
- Ready in a minute or two
- Report and PDF yours for 30 days
