Can a phone scan a bingo card?
Yes — a phone camera can scan a printed bingo card if you use a bingo scanner app, which photographs the grid, reads the numbers, and then tracks that card digitally as numbers are called.
Scanning is a mobile-app feature, not something a web page can do. The Snap Bingo Caller & Verifier app (free on Android, 500,000+ downloads, 4.1 stars) captures printed 75-ball cards and 90-ball tickets with the camera, keeps every scanned card on one screen, marks each called number on all of them at once, and compares them against the winning pattern you chose.
Three things decide whether a scan works: even lighting with no shadow across the grid, the whole card inside the frame, and the card lying flat rather than curled. Always read the scanned numbers back against the printed card before you trust them in a real game — camera recognition can misread a smudged or handwritten digit, and a wrong square means a wrong winner.
If the cards were printed from SnapBingoX you do not need to scan at all: each card is printed with a Game ID that opens the whole game on a phone.