When a tap card does nothing, the card is usually fine. Most failures come from where the card touches the phone, what is between them, or a setting on the phone. This guide goes through each one, in the order worth checking, and ends with the fallback that works when nothing else does.
One thing first, so nobody is surprised later: no tap card works on every phone. Some phones have no reader at all. That is true of every card from every seller, ours included, and it is why a card should also carry a printed code.
In public reviews of tap cards and tap stands, "it does not work on some phones" was one of the complaints we read most often. Almost every fix below is something you can do in the moment, with the person standing in front of you.
1. Touch the right part of the phone
The reader in a phone is small, and it is not in the same place on every phone. Touching the wrong spot is the most common reason a tap does nothing.
On an iPhone
Use the top edge of the back of the iPhone, near the camera. Apple's own instructions for paying with an iPhone say to hold the top of the iPhone near the reader (Apple Support, as of October 2026), and the same spot reads a card.
Apple's developer documentation says the iPhone XS and later read these tags without any app (Apple, as of October 2026). The same page lists the times it will not read, even with the screen on:
- The phone is locked or asleep. It reads only while the iPhone is in use, so wake it first.
- The camera is open. This one catches people out: someone opens the camera to scan your code, then tries the tap, and nothing happens.
- Apple Pay Wallet is open.
- Airplane mode is on.
- The phone has just restarted and has not been unlocked yet.
When it works, the iPhone shows a small notice at the top of the screen. The person taps that notice to open the page.
On an Android phone
First, NFC has to be switched on. On a Google Pixel, Google's help gives the path as Settings, then Connected devices, then Connection preferences, then NFC, and the switch is called Use NFC (Google Pixel Help, as of October 2026). On a Samsung phone it is Settings, then Connections, then NFC and contactless payments (Samsung, as of October 2026). On other phones, open Settings and search for "NFC".
Second, the reader is somewhere on the back, and the exact spot changes from model to model. Google's own help says to look at a diagram of your phone to find it. In practice: put the card flat against the back, start near the camera, and slide it slowly down towards the middle. When it reads, remember where it was.
Wake the phone before you try.
2. Hold still for a second
A tap is not a swipe. Moving the card quickly past the phone often misses. Hold it flat and still against the back for a second or two, until something appears on the screen.
Close matters too. The chip has no battery and is powered by the phone for that moment, so it only works within a few centimetres. Touching the phone is better than hovering over it.
3. Take off the case, or the wallet
What sits between the card and the phone can stop the tap.
- Wallet cases. Google's help says that if you use a wallet-style case with payment cards in it, remove the case and see if that solves the problem (Google Pixel Help, as of October 2026). Other cards in the case can get in the way.
- Thick or metal cases, metal plates for magnetic car mounts, and magnetic wallets clipped to the back of the phone. These put distance or metal between the card and the reader. Take them off and try again.
- A stack of cards. For the same reason, hold out the tap card on its own, not on top of other cards in a holder.
If the tap works with the case off, the case is the problem, not the card.
4. Metal cards need a chip made for metal
Metal and these chips do not get along. A supplier of the shielding material used under these chips explains that metal behind a chip weakens the signal, and that a magnetic layer between the two is what keeps it readable (SLT Microwave, as of October 2026).
So a metal card only taps well if it was built for it, with the chip placed and shielded with care. If a metal card reads poorly on every phone you try, the card is the likely cause, and its seller should replace it.
5. Some phones cannot tap at all
Some phones have no reader. Google puts it plainly: if you do not see the NFC setting, the phone does not have NFC. On the iPhone side, Apple lists the XS and later as the models that read tags without an app.
No setting fixes this, and no card will tap on these phones. That is the case for the next step.
The fallback: the printed code
A printed square code (a QR code) needs only a camera. The person opens the camera, points it at the code, and taps the link that appears. Almost every smartphone made in recent years can do this, including the ones that cannot tap.
So a good card carries both, and both open the same page. When the tap fails, you do not apologise or fiddle with someone's settings. You say "scan the code instead", and it takes a few seconds.
If your current card has no code on it, you can print one for your page on a sticker or on the back of a paper card. We compare the two ways in detail in QR code vs NFC, and explain what is inside the card in what is an NFC business card.
How Cardless Club handles it
We do not promise that every phone will tap, because no card can keep that promise. What we do:
- Every card and keychain carries a printed code. The tap and the code open the same page. The scan keychain has no chip at all and is only scanned.
- No app, for anyone. The card holds an ordinary web address. Tapping it or scanning it opens a page in the browser the other person already has.
- The card keeps working whatever plan you are on, including if you never pay for one.
The cards and keychains are on sale in India, made and sold by Mold and Matter on their own store. The cards page shows each one and links to it. The metal card is not on sale yet.
A business putting a tap card or stand on its counter for Google reviews meets the same phones and the same cases. Cardless Reviews uses the same pairing: a tap where it works, and a printed code for everyone else.
Questions
Why does my card work on one phone and not another?
Usually because the reader is in a different place on each phone, or one of them has a case, a wallet, or NFC switched off. Try the top edge on an iPhone, and slide the card slowly down the back of an Android phone.
Do I need to switch anything on for an iPhone?
No. An iPhone XS or later reads the card without any setting or app. It must be awake, with the camera and Apple Pay closed.
Can a card stop working over time?
The chip has no battery, so nothing runs down. A card can be damaged by bending or cracking. If it no longer taps on any phone, it is likely damaged, and the printed code still works.
Can I test my card before handing it out?
Yes, and you should. Tap it on your own phone and on one other, ideally one iPhone and one Android phone, and scan the code too. Both should open the same page.
Is the problem my card or my page?
If the phone shows a notice or opens a browser, the card worked. If the page then shows the wrong thing, change the page. You do not need a new card.