Tools
Free, self-hosted, no third-party trackers. Every calculation runs locally in your browser - your inputs never leave your device.
Choose the right card
Decision help from our fact database - requirements, evidence, unknowns.
Card finder
Three questions, hard requirements, honest unknowns - no sponsored picks.
Card & provider check
What our research actually knows about a card or provider - evidence, dates, unknowns.
Compare any cards
Pick 2-3 cards, see fee stacks, KYC, coins and limits side by side.
Region checker
Which cards serve your region - and which explicitly exclude it.
Understand the cost
The math that decides your money: fee stacks, break-even points, conversion.