Butter — Smart Card Recommender
Shopping
Detects checkout pages and shows which of your Canadian credit cards earns the most on that purchase. Nothing leaves your browser.
- Store users
- 5
- Ratings
- 5.0/ 5 1 rating
buttercard
1 listing we've seen · as of 7 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.