Question 1

Is Kryfo free to use?

Accepted Answer

Yes, Kryfo is free. It has no ads and is funded by optional, anonymous backers, and every feature works the same whether you back it or not.

Question 2

Which Android version do I need and how large is the app?

Accepted Answer

Kryfo requires Android 7.0 or newer. The app is about 70 MB in size.

Question 3

Does Kryfo require an account, phone number, or email?

Accepted Answer

No. You do not need a phone number, email, or account. Your identity is a key pair generated on your device, and nobody can look you up unless you claim a public handle.

Question 4

What about my contacts and permissions?

Accepted Answer

Kryfo never uploads your address book and includes no analytics or telemetry. The available details do not list specific Android permissions beyond that.

Question 5

How do I update Kryfo?

Accepted Answer

Download the newest version from this page. The latest version is 0.5.2, released on 2026-10-22, and older versions are also listed here.

Question 6

Is Kryfo open source?

Accepted Answer

Yes, Kryfo is released under the GPL-3.0-or-later license.

Download APK: Kryfo

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