NFC Business Card Guide
How NFC business cards work, how they compare with QR, how to program a tag, how to fix a tap that won't register, and how to use digital cards at events.
- What is an NFC business card?What an NFC business card is, how it differs from a printed one, and who actually benefits — the technology explained plainly.
- NFC or QR code: which is better?Tapping over NFC compared with scanning a QR code — speed, compatibility, range and reliability.
- How NFC technology actually worksThe physics of NFC, tag types, the NDEF data format and how a phone can pretend to be a card (HCE) — explained simply.
- How to program an NFC card or tagWriting a contact record or link to a blank NFC tag, deciding whether to lock it, and choosing the right tag type.
- Etiquette for sharing a digital business cardThe mistakes people make when offering their phone, the right moment to share, and how to turn a meeting into a follow-up.
- What to do when the NFC tap doesn't workWhen the tap doesn't register: antenna position, case thickness, NFC settings, lock screen and tag problems — a checklist.
- Paper or digital business cards?An honest comparison on cost, keeping details current, the impression left and everyday practicality.
- Networking at events with NFCPreparing before the event, sharing fast in a crowd, capturing context and following up so the contact actually turns into something.
Turn your phone into your business card. Business Card Tap sends your details to another phone with a tap over NFC, and falls back to an on-screen QR code when NFC isn't available. Fully offline, no account.
Try it in the browser Get it on Google Play