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QR helmet sticker vs medical ID bracelet, dog tag or NFC chip

Four ways to carry your medical ID when you ride. Each is good at something the others aren't. Here's a fair look, and why most riders are better off with two.

QR code sticker on the helmet

Where it lives: on the helmet, which arrives with you. Who can read it: anyone with a phone camera — the page opens in the browser, no app.

What it holds: as much as you type, and you can change it any time without reprinting. You also choose what shows; with KINTAG every field starts off.

The catch: the page needs a phone with signal, and someone has to notice the sticker. That's why KINTAG prints the do-not-remove-helmet warning and your blood group on the sticker itself. KINTAG is free, with no ads.

Medical ID bracelet

Where it lives: on your wrist, under your glove and cuff. Who can read it: anyone, with no phone and no signal. The MedicAlert Foundation says first responders are taught to check the wrist and neck for medical ID.

What it holds: a few engraved lines. Changing it means a new engraving.

Dog tag

Where it lives: around your neck, often under a jacket. Who can read it: anyone, once they find it, with no phone and no signal.

What it holds: what fits on the metal. Like a bracelet, it's fixed until you replace it.

NFC chip

Where it lives: in or on the helmet. Who can read it: a phone with NFC, held close to the chip. On iPhone, Apple lists which models read tags on their own; older ones need it switched on first.

What it holds: usually a link or a short record. The catch: nothing on the outside tells a stranger to tap it unless it's labelled.

What KINTAG prints, and what it doesn't

The helmet sticker carries the QR code, the typed address (kintag.co/b/…) for when the code is scuffed, the yellow warning and your blood group. From the same account you can print a keyring and a wallet card; each opens the same profile.

None of them prints your name, your phone number or your contacts' numbers. Those stay behind the scan, switched on or off by you.

A sticker can also come pre-printed, with a code and a blood group already on it and a slip carrying its claim code. You make it yours from your account, with your PIN — only if its blood group matches the one you saved, because ink can't be corrected.

Which one should you pick?

Two, if you can. One that reads with no phone at all — an engraved bracelet, a dog tag, or the printed warning and blood group on your sticker. And one that carries more than an engraving can — the page behind your QR code, and the medical ID on your phone's lock screen (iPhone, Android).

Then tell the people on your tag they're on it. More on who actually scans: Do paramedics scan QR codes on helmets?

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Sources

Sources last checked: October 15, 2026