Enable peer-to-peer encryption when chatting on Facebook. Stop governments, corporations and criminals from reading your private messages.

By using the latest industry standards you can be sure that your messages are transmitted securely and are safe from eavesdropping. Synapsid uses the S/MIME standard for public key encryption and signing. Strong encryption is performed using the AES algorithm which ensures your messages can only be viewed by the you and the recipient, even if your messages are stored for years on a remote server. In fact it’s the only app that can do that for you.

Synapsid Icon

Flexibility from a whole new perspective.Besides rock solid security you get better synchronization than any other app.

  • Push notifications
  • Send encrypted messages
  • Attach photos to your messages
  • Supports emoji
  • View friends profiles
  • Add friends to your contacts
  • Birthday reminders
  • View and share pictures
  • Import profile pictures into your contacts
  • Call and email friends
  • View and respond to event invites
  • Create new events with cover photos
  • Host events from your pages
  • Send event invites to your friends
  • Stay online even when the app is in the background
  • Support for multiple accounts
  • Support for S/MIME certificates from certificate authorities
  • Safe and secure by design

With its easy-to-use interface, amazing features, and rock-solid stability, Synapsid is your foundation for chatting on Facebook.

Synapsid iOS App for Facebook Overview

Protection made simple.No extra passwords or complicated finger gestures to remember, it just works.

Synapsid’s source list view

Why you’ll love Synapsid.

Historically setting up encryption has been tedious and frustrating, with Synapsid all of that is taken care of for you. The first time you send a message a key will automatically be created for you. Of course you are still free to import a key from another certificate issuer and export your keys as you please.

Synapsid creates events with cover photos

Better event support.

Now you can easily create new events with cover photos. You can also choose to host your event from any page you have administrator privileges for, and of course you can send event invites to your friends and respond to events you’ve been invited to.

Synapsid makes it easy to share

Many possibilities.

Keep your contacts and events up-to-date and never forget a friends birthday again. Take some time to view your friends profiles and pictures and even save the ones you like. You’ll also notice that Synapsid’s network code is the ultimate in speedy, it’s been optimized to be extremely fast and responsive.