Download Sfera

An end-to-end encrypted messenger with voice and video calls. Use it in the browser, on your computer, or on your phone — the same account everywhere.

Browser

Sfera Web

Nothing to install — open the client in any modern browser.

Open Sfera Web

Desktop

Windows

Installer for 64-bit Windows. Keeps itself up to date.

Download .exe Checksum

Windows (MSI)

Package for managed deployment. Installs for all users, does not update itself.

Download .msi Checksum

Linux

Debian package for Debian, Ubuntu and derivatives.

Download .deb Checksum

Linux (archive)

Portable build for any distribution: unpack and run. Nothing is installed.

Download .tar.gz Checksum

macOS

Disk image — drag the app into Applications.

Download .dmg Checksum

Mobile

iOS

Sfera Chat on the App Store, for iPhone and iPad.

View on the App Store

Android — Google build

APK with push notifications delivered through Google services.

Download .apk Checksum

Android — F-Droid build

APK without Google services; new messages arrive through background sync.

Download .apk Checksum

Both Android packages are the same app. Installing an APK requires allowing installation from this source in your system settings.