Quicksy

Spec sheet

Product

Quicksy is a Jabber/XMPP messaging app with phone-number sign-up and automatic contact discovery.Read 11 Oct 2026 · quicksy.im

Security

Quicksy says backups are encrypted, does not store IP addresses, and advises users to use OMEMO encryption when possible.Read 11 Oct 2026 · quicksy.im

Address book handling

Quicksy periodically uploads phone numbers from the Android address book for matching, but says it does not keep a copy of the full address book.Read 11 Oct 2026 · quicksy.im

Commercial support

Commercial support for running the Quicksy Server is available by contacting Daniel Gultsch.Read 11 Oct 2026 · quicksy.im

Contact discovery

Quicksy suggests contacts using phone numbers in the user's address book, matching Quicksy users and Jabber/XMPP users listed in the Quicksy Directory.Read 11 Oct 2026 · quicksy.im

Directory fee

People can list their Jabber ID and phone number in the Quicksy Directory for a one-time registration fee of 4.99 Euro, waived for paying conversations.im hosting customers.Read 11 Oct 2026 · quicksy.im

Directory lookup

A Quicksy user can be discovered by others who add [email protected] to their contact list.Read 11 Oct 2026 · quicksy.im

Federation

Quicksy users can communicate with users on any publicly federating Jabber/XMPP server.Read 11 Oct 2026 · quicksy.im

Messages and files

Offline messages are stored until delivery, message archives are kept by default, and shared files are stored for recipients to retrieve.Read 11 Oct 2026 · quicksy.im

Migration

The interface stays close to Conversations and Monal so users can migrate without relearning the app.Read 11 Oct 2026 · quicksy.im

Open source

The source code is available on Codeberg for Android and GitHub for iOS.Read 11 Oct 2026 · quicksy.im

Server transparency

Quicksy describes its Directory server as centralized, says there is no mechanism guaranteeing it runs the published code, and makes the server source available on Codeberg.Read 11 Oct 2026 · quicksy.im

Stored account data

Quicksy stores the username, which is the phone number, a password hash, account creation date, and last login.Read 11 Oct 2026 · quicksy.im

Plans and prices

Every Quicksy plan and price →

Where Specifiction places it

• Encrypted Messaging Apps#27 of 437.4
• Secure Messaging Apps#30 of 367.4