Same security. Different setup.
Which option is right for you?
Both options use the same FIDO2 cryptographic standard — bank-grade identity verification at your door. The difference is how your household receives the signal.
Option 1 · General Population

Passive NFC Sticker
Best for tech-savvy residents who have a smartphone. Set up once, works forever — no power, no maintenance.
Best for:
- ✓ Homeowners with smartphones
- ✓ Renters who can't install hardware
- ✓ Low-cost, minimal-setup deployments
Option 2 · Seniors & No-Phone Households

VerifiedAmbient™ Dedicated Reader
Best for seniors, elder care facilities, and households without smartphones. Wall-mounted, always ready, no app required.
Best for:
- ✓ Seniors living alone
- ✓ Elder care and assisted living facilities
- ✓ Housing authorities and public housing
Side-by-side comparison
| Feature | NFC Sticker | Dedicated Reader |
|---|---|---|
| Requires smartphone | App needed for setup only | No phone ever |
| Requires Wi-Fi or internet | Works offline after setup | Fully offline |
| Requires power source | Completely passive | Wired or battery |
| One-time setup by resident | Via VerifiedKnock app | Wall-mount installation |
| Works for seniors without phones | Phone required | Ideal for seniors |
| Ambient light signal (green/red) | App notification only | Built-in LED signal |
| FIDO2 cryptographic verification | Same standard | Same standard |
| Tamper-evident hardware | Sticker can be removed | Tamper-resistant enclosure |
| Family remote notification | Via app | Via app |
Ready to get started?
Contact us to find the right deployment for your agency, facility, or household.
