End-to-end encrypted by default

Rhema is a private app for messages and calls.

Send messages and make calls with end-to-end encryption. Use our servers or run Rhema on your own.

Get Rhema free Host it yourself

No ads
No trackers
Delete your account any time

Chats

QueravelAssistant9:44Your email to Ruth is ready to send with Malakh

Amara Okafor9:41typing…2

Weekend trip9:30Lena: Amazing. Who is driving?@5

Daniel Mensah8:57Voice message · 0:421

Ruth AdeyemiYesterdaySee you at six by the station

Jonas WeberYesterdayPhoto from Penielly

Lena ParkMonMissed voice call

Church choirSunEsther: Rehearsal moved to 7pm this week

Amara Okaforonline

Today

Did you see the flat near the park? The one with the big windows.9:32

The light in that kitchen is unreal.9:34

0:14 / 0:429:36

You

The light in that kitchen is unreal.

Saturday at 10 works for me. I'll book the viewing.9:37

listings.example

Two bedroom flat by Abbey Park

South facing, third floor, balcony over the park.

Here is the listing so you have the address.9:39

Everything you expect from a messaging app is here.

Messages

Reply to any message or react with an emoji. Voice messages come with a waveform you can scrub.

Calls for up to 32 people

Voice and video calls are end-to-end encrypted and hold up on weak connections.

Groups of up to 1,024 people

Run polls in a group and share files up to 2 GB.

Apps for your computer and phone

Rhema works in a browser and has apps for desktop and mobile. Your phone does not need to stay online.

Rhema works with the rest of SiliconBlast.

Queravel is the assistant inside Rhema. It can hand work to the other SiliconBlast products when you ask it to.

Queravel

Ask it to catch you up on a busy group or draft a reply. It only reads a chat when you ask.

Malakh

Turn a conversation into an email. Queravel writes the draft and Malakh sends it once you approve.

Penielly

Share pictures from your Penielly library without leaving the chat.

Your conversations stay between the people in them.

Messages are encrypted on your device before they leave it. The server can see who a message is for and when it was sent. It cannot read what it says.

No adsRhema shows no adverts and does not sell your data.
No trackersThe apps carry no analytics. Crash reports have message content and personal details removed.
Queravel only when you askThe assistant reads a chat only when you ask it to.
Delete any timeDeleting your account removes your profile, contacts and devices from our servers.

How the encryption works Read the privacy policy

Run Rhema on your own server.

Your organisation can host Rhema itself, so its messages and files stay on servers you control. Updates arrive as new container images. Self-hosting is in early access.

Read the self-hosting guide

$ docker compose pull

$ docker compose up -d

rhema-web started

rhema-api started

rhema-worker started

livekit started

Rhema is ready at https://chat.example.org

Get Rhema on all your devices.

Open in browser macOS Windows Linux iPhone Android

The desktop and mobile apps are coming soon. The web app works today.