SimpleX Chat

iPhone + Android

7.8No. 6 of 43
in Encrypted Messaging Apps

Recognised40% of the score20
Phone app26% of the score100
Documented20% of the score90
Free plan14% of the score100

Free plan: Yes
Runs on: Android, api, iPhone, Linux, Mac, self-hosted, Windows

Summary

SimpleX Chat is ranked #6 of 43 in encrypted messaging apps on Samsung Mobile US Press. It runs on Android, API, iOS, Linux, macOS, Self-hosted, Windows. There is a free plan.

SimpleX Chat plans and pricing

All plans

SimpleX Chat Free everything free; paid features planned simplex.chat · 1 Oct 2026

Compared on encrypted messaging apps

Free plan: Yessimplex.chat
Encryption coverage: defaultsimplex.chat
Desktop app: Yessimplex.chat
Voice and video calls: Yessimplex.chat
Disappearing messages: Yessimplex.chat
Encrypted backups: nonesimplex.chat

Facts

Purpose: SimpleX Chat is a messaging application built on the SimpleX platform.simplex.chat · 1 Oct 2026
No identifiers: The SimpleX network assigns no user profile identifiers, including phone numbers, usernames, random numbers, cryptographic keys or hashes.simplex.chat · 1 Oct 2026
Encryption: The network uses end-to-end encryption with continuous post-quantum key exchange for messages and metadata.simplex.chat · 1 Oct 2026
Privacy architecture: Four different servers are used in each chat so relay servers cannot observe which IP addresses communicate with each other.simplex.chat · 1 Oct 2026
Data storage: Profiles, contacts and messages are stored on client devices in a portable encrypted database, while relay servers temporarily hold encrypted messages until delivery.simplex.chat · 1 Oct 2026
Messaging features: The apps support encrypted messages with Markdown and editing, encrypted media and files, decentralized groups, voice messages, disappearing messages, audio and video calls, portable storage and incognito mode.simplex.chat · 1 Oct 2026
Self-hosting: Users can run their own SimpleX servers and still communicate with users on preconfigured servers.simplex.chat · 1 Oct 2026
Developer integrations: The open protocol provides SDKs for chat bots and integrations, including integration of the SimpleX Chat library into mobile apps.simplex.chat · 1 Oct 2026
TypeScript SDK: The TypeScript SDK connects to the SimpleX Chat CLI through a WebSocket API and supports profiles, invitations, addresses, groups and file transfers.simplex.chat · 1 Oct 2026
Supported downloads: Desktop downloads are available for Linux, macOS and Windows, while mobile apps are available for iOS and Android.simplex.chat · 1 Oct 2026
Desktop linking limit: A mobile device can link to the desktop app only when both devices are connected to the same local network.simplex.chat · 1 Oct 2026
Security assessments: SimpleX reports Trail of Bits implementation and cryptographic design assessments conducted in 2022 and 2024, with another implementation assessment scheduled for June 2026.simplex.chat · 1 Oct 2026
Deletion limitation: Disappearing messages and full message deletion on recipients' devices cannot be guaranteed or enforced if a device is offline or runs modified software.simplex.chat · 1 Oct 2026
Support: Users can contact the team through the in-app “Ask SimpleX team” contact or by emailing [email protected].simplex.chat · 1 Oct 2026
Open source: Alternative client applications based on SimpleX Chat code must publish modifications under the AGPLv3 license.simplex.chat · 1 Oct 2026
Company status: SimpleX Chat Ltd is a UK-registered company developing communication software for the SimpleX network.simplex.chat · 1 Oct 2026