Question 1

Is Kryfo free to use?

Accepted Answer

Yes, Kryfo is free. It is funded by optional anonymous backers, and all features work the same whether you donate or not.

Question 2

Which Android version do I need?

Accepted Answer

Kryfo requires Android 7.0 or higher. The app file is about 69 MB.

Question 3

Do I need to create an account or provide a phone number?

Accepted Answer

No. Kryfo does not require a phone number, email, or account. Your identity is a key pair generated on your device, and you can optionally claim a public handle.

Question 4

What permissions does Kryfo request?

Accepted Answer

Kryfo asks for permissions needed to function, such as internet access for Tor and messaging, and storage for media. It never uploads your address book and includes no analytics or telemetry.

Question 5

How do I update Kryfo?

Accepted Answer

To update, download the newest version from this page and install it over the current one. The latest version is 0.5.1, released on October 18, 2026.

Question 6

Can I use Kryfo without an internet connection?

Accepted Answer

No, Kryfo needs an internet connection to send and receive messages. However, messages are delivered through relays, so they reach your phone even if it was offline when the message was sent.

Download APK: Kryfo

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