Your age. Your business.
Zik
*zero knowledge
Prove your age. Keep your identity to yourself.
Why do sites ask for your name...
When they only need
your age?
Zik answers this with
Over 18 ✓Only the answer a participating site needs.
Prefer a physical card?
Zik verifies your age once, physically. In the real world.
By keeping your identity offline, we help you stay anonymous online.
- 01
Show ID once
Checked by a participating store. Not retained. - 02
Link your phone
Scan your card to get started. - 03
Keep it with you
Ready for participating services.
The pass
Buy a physical card in store
or a digital pass in the app
Choose what works for you.
You stay in control
Share the answer.
Not the evidence.
Name · date of birth · photo ID remain private
The wider Zik platform
Zik starts with Zik Pass.
One pass today. More possibilities ahead.
Digital Zik Pass
Early AccessCheck your age in store. Keep your pass on your phone.
99p one-off · Free during Early Access
Get ZikPassLearn more
An in-person ID check at a participating store. No finance check required.
Physical Zik Card
In storePick up your card. Get checked in person.
£2.99 · Keep your card for life
Explore the cardLearn more
Purchased and activated at participating locations.
Zik Vault
Early AccessYour documents. Kept close.
35p/month
Open VaultLearn more
Encrypted storage on this device. Subscription billing is not connected yet; no subscription is created in this build.
Zik VaultCloud
Coming SoonA little extra peace of mind.
99p/month
Learn more
An optional encrypted backup subscription, managed through Apple on iPhone.
Zik ID
Coming SoonShare identity only when you choose.
£1.99 one-off
ExploreLearn more
Identity checks and issuance are not available yet.
Zik Validate
Coming SoonIndependent document verification.
From £5.99 · Depends on the document
ExploreLearn more
The fee depends on the document needing validation. Professional verification is not connected yet.
Zik Pass via Finance Check
Coming SoonPrefer not to visit a store?
£3.99 one-off
ExploreLearn more
A separate future remote route. Stripe, Apple Pay and Google Pay are prototyped but not connected. No charge or real finance check in this preview.