NFC and QR Codes

An iPhone can read and write NFC tags, but it is not the same as a passive NFC business card. Learn the right route for sharing contacts.

NFC stickers and cards share the same chip, so compatibility is rarely the problem. Antenna size and metal surfaces decide range, and the fix costs pennies.

NXP rates the chip inside an NFC business card for 100,000 writes and unmetered reads. What actually ends one is the card body, or the company behind it.

NFC business cards run $15 to $80 without a subscription, more for premium metal, or toward $100 a year if a seller requires one. See what moves the price.

An NFC business card not working is usually one of three things: the phone, the tag, or where it points. Here is how to tell which one in two minutes.

NFC keychain business cards trade range for convenience. See real prices, why metal keys cut tap range, and which makers stay silent on lapsed subscriptions.

Learn how to scan an NFC business card on iPhone, which models read tags in the background, and what to check step by step when no notification appears.

Learn how a tap business card opens a digital profile, what the recipient does next, and which compatibility, QR, app, editability, and fee checks matter.

Compare NFC business cards by upfront price, monthly fees, QR backup, team tools, and the ownership questions to ask before buying.

Compare NFC business card setups without a subscription, including free profile options, feature gates, cancellation checks, URL control, and QR backup.

Learn how to write an NFC tag with Android, what to put on the tag, and how to use NFC tags for digital business cards.

See how paper cards, QR codes, NFC taps, and live profiles changed business networking and what to use now.