The quantum threat and why post-quantum communication is a must | Read article
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AppStore
Google Play
Price may depend on your country’s sales tax or VAT, and currency exchange rate.
For details please see in-App purchases in the KvantPhone app.

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As an Individual User, you have a wide choice of monthly subscription packages
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Protect your privacy

Pay as you go
No long-term commitment

As an Individual User, you have a wide choice of monthly subscription packages based on the number of persons you want on your KvantPhone contact list.

Explore the KvantPhone subscription packages created especially for Individual Users:

KvantPhone provides business features useful mostly for larger organizations, which has the same outstanding security features
as those for Individual Users, but is designed for the unique user and deployment requirements of a business environment.

Check out KvantPhone Business Features  

KvantPhone provides business features useful mostly for larger organizations, which has the same outstanding security features
as those for Individual Users, but is designed for the unique user and deployment requirements of a business environment.

Check out KvantPhone Pro for Business Users

Why trust KvantPhone?

Post-quantum
cryptography

EU vendor &
legal background

Continuously
audited
Our security and values explained.
Learn how KvantPhone protects you.

Why trust KvantPhone?

Post-quantum
cryptography
EU vendor &
legal background
Continuously
audited
Our security and values explained.
Learn how KvantPhone protects you.

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If you are a business or a government organisation, please see relevant features and request a consultation.