Use Cases
It's not about who you are — it's about what you want to guard. Find the scenario you've imagined, and see the recommended cards and real-life applications.
Child Safety 
Dementia Care 
Emergency Medical 
Pet Recovery 
Lost & Found 
Work & Storefront 
From the Heart 📚 Essential reading
What Makes Guardian Cards Special?
A Guardian card isn't just a card with a phone number — it's a system that tells the finder what to do next and notifies the family in the shortest possible time.
Read more →Why Do You Need a Guardian Card?
AirTag can locate and iPhone has SOS — so why OMIPOKA? One is built to find objects, the other for a healthy adult to call for help. Guardian cards cover what neither can.
Read more →Child Safety
The 30 seconds when a child slips away
Malls, night markets, transit hubs: one slip and they're hard to find. When a child is too scared to give their full name, the low-key tag on their backpack speaks for them — without exposing personal data that could be misused.
Recommended cards
Child Guardian
A low-key anti-lost design — no phone for the child. Allergy info helps a kind stranger understand how to help, fast.
Learn moreMedical Guardian
Allergies, conditions, medications and emergency contacts — readable on any phone when you can't speak for yourself.
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Child Finder Card: Guard the Way Home, No Setup Needed
A discreet school-bag charm that speaks for your child when you're separated: the finder taps once to blind-send the location to you — with zero personal data exposed.
Read more →Medical Guardian Card: When You Can't Speak, Any Phone Can Read What Matters
Chronic conditions, allergies, do-not-administer drugs — if you collapse, any phone can tap and read your essentials, and your family is notified with your location. Battery-free, cross-platform, always up to date.
Read more →Taking the Medical Guardian Card Abroad: Life-Saving Details That Speak for You
If you collapse overseas, local medics can't read a Chinese medical history. The Medical Guardian Card's public page runs Chinese and English side by side — blood type, allergies and travel insurance readable in one tap, while family back home get your location. Includes a pre-departure checklist.
Read more →Dementia Care
The walk an elder takes on their own
The usual route to the park or the market can have an off day. When someone finds them needing help, no setup is required to reach the family instantly — low-key by design, no labels, nothing leaked.
Recommended cards
Dementia Guardian
When an elder out for a walk is found needing help, a single tap reconnects them with family. No setup, no charging.
Learn moreMedical Guardian
Allergies, conditions, medications and emergency contacts — readable on any phone when you can't speak for yourself.
Learn moreRelated topics
Related articles
When a Loved One with Dementia Goes Missing: The First 24 Hours
You do not need to wait 24 hours to report a missing person in Taiwan. A step-by-step guide for the first 24 hours of dementia wandering, plus four ways to prepare before it ever happens.
Read more →Cognitive Guardian Card: When an Elder with Dementia Wanders, a Card That Notifies You
When an elder with dementia is found needing help, the passer-by taps once to share the location and leave a message — the elder does nothing, and the family is notified instantly.
Read more →Medical Guardian Card: When You Can't Speak, Any Phone Can Read What Matters
Chronic conditions, allergies, do-not-administer drugs — if you collapse, any phone can tap and read your essentials, and your family is notified with your location. Battery-free, cross-platform, always up to date.
Read more →Taking the Medical Guardian Card Abroad: Life-Saving Details That Speak for You
If you collapse overseas, local medics can't read a Chinese medical history. The Medical Guardian Card's public page runs Chinese and English side by side — blood type, allergies and travel insurance readable in one tap, while family back home get your location. Includes a pre-departure checklist.
Read more →Emergency Medical
When you can't speak, let your info speak for you
Chronic conditions, drug allergies, special medications — if you collapse, bystanders and paramedics can read your history and emergency contact with zero friction. Charge-free, cross-platform, always updatable.
Recommended cards
Related topics
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Medical Guardian Card: When You Can't Speak, Any Phone Can Read What Matters
Chronic conditions, allergies, do-not-administer drugs — if you collapse, any phone can tap and read your essentials, and your family is notified with your location. Battery-free, cross-platform, always up to date.
Read more →Taking the Medical Guardian Card Abroad: Life-Saving Details That Speak for You
If you collapse overseas, local medics can't read a Chinese medical history. The Medical Guardian Card's public page runs Chinese and English side by side — blood type, allergies and travel insurance readable in one tap, while family back home get your location. Includes a pre-departure checklist.
Read more →Outdoor & Hiking
Heading up alone? Carry one more layer
An iPhone location-sharing Shortcut covers the moment you can still tap. A charge-free Medical Guardian covers the moment you can't — letting whoever finds you speak on your behalf. Honest note: the card page needs mobile signal, so on dead-zone trails still carry a satellite messenger or PLB — this card fills a different gap: the person who finds you doesn't know who you are.
Recommended cards
Medical Guardian
Allergies, conditions, medications and emergency contacts — readable on any phone when you can't speak for yourself.
Learn moreItem Guardian Card
Backpacks, cameras, luggage — whoever finds it can tap to message you and share the location, without ever seeing your phone number.
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Item Guardian Card: Whoever Finds It Can Reach You — Without Ever Seeing Your Number
Lost a backpack, camera or suitcase? Whoever picks it up taps the card or scans the QR to message you and share the location — your phone number never appears. Complements AirTag; 3 cards free on signup.
Read more →Medical Guardian Card: When You Can't Speak, Any Phone Can Read What Matters
Chronic conditions, allergies, do-not-administer drugs — if you collapse, any phone can tap and read your essentials, and your family is notified with your location. Battery-free, cross-platform, always up to date.
Read more →Taking the Medical Guardian Card Abroad: Life-Saving Details That Speak for You
If you collapse overseas, local medics can't read a Chinese medical history. The Medical Guardian Card's public page runs Chinese and English side by side — blood type, allergies and travel insurance readable in one tap, while family back home get your location. Includes a pre-departure checklist.
Read more →Pet Recovery
One firework, and even the calmest pet bolts
Your pet can't call home; even a kind finder needs a way to reach you. A tag that contacts you beats a fixed, un-editable name plate — and it helps at the vet, too.
Recommended cards
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Lost & Found
It's not the camera — it's the photos you can't retake
Stick a card on a backpack, camera or suitcase: the finder taps to message you or share the location, and the page shows no contact details at all. An AirTag is for you to look at; this card is for the finder.
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Work & Storefront
The second you hand it over — and the QR you can't reprint
Change your title without reprinting 500 business cards; swap your menu, event or review links anytime without redoing the print. One accessory: classy to hand over, editable after it's posted.
Recommended cards
Digital Business Card
LINE, Instagram, phone, portfolio — handed over with a tap, always current. Change jobs? Edit the app, never reprint.
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Blank Link Card
One card pointing to any link: digital business card, socials, a form, an iOS Shortcut. Edit anytime — no re-writing the chip.
Learn moreRelated topics
From the Heart
Some words are easier said on video
Birthdays, holidays, Mother's Day — record what you want to say and turn it into a keepsake card they can carry and replay anytime.
Recommended cards
Related topics
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Turn Photos Into a Video Message — No Editing Software, No YouTube Upload
Want to send a video message but stuck on editing software and YouTube uploads? Photo Story lets you upload 3–8 photos, pick a track and an animation template, and the card plays it as a video on tap — with an mp4 export to keep.
Read more →Hide Your Heart Inside a Video
The words you write on a card will fade — but a video keeps your expression, your voice, and the heartbeat of that moment. With a Video Gift Card, the moment they tap their phone, they receive the feeling you tucked away.
Read more →Which card fits your scenario?
Link 3 cards free — start from a single NFC accessory.
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