SimpleX

SimpleX

SimpleX Chat
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About

The first messenger without user IDs. Other apps have user IDs: Signal, Matrix, Session, Briar, Jami, Cwtch, etc. SimpleX does not, not even random numbers. This radically improves your privacy. Many users asked: if SimpleX has no user identifiers, how can it know where to deliver messages? To deliver mesages, instead of user IDs used by all other platforms, SimpleX uses temporary anonymous pairwise identifiers of message queues, separate for each of your connections — there are no long term identifiers. You define which server(s) to use to receive the messages, your contacts — the servers you use to send the messages to them. Every conversation is likely to use two different servers. This design prevents leaking any users' metadata on the application level. To further improve privacy and protect your IP address you can connect to messaging servers via Tor. Only client devices store user profiles, contacts and groups; the messages are sent with 2-layer e2e encryption.

About

UnlimitedMessaging is a hosted messaging platform for developers, SaaS teams, and marketers. It combines a web dashboard with a REST API for sending WhatsApp messages and email from connected accounts, either separately or together in one request. The dashboard supports campaign creation, contact import and segmentation, scheduling, conversation management, and delivery and read tracking. Developers can automate messaging through the API and official Python and TypeScript SDKs, configure event webhooks, or connect through the service’s MCP server and n8n node. Users can send from their own WhatsApp number and mailbox or use numbers provided with the service. Plans include a permanent free option and paid monthly tiers; all plans include unlimited WhatsApp messages at a flat price, while features and sending throughput vary by plan.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Users interested in a secure messaging app with no user identifiers

Audience

Developers, SaaS teams, and marketers that need to send and manage WhatsApp messages and email through a web dashboard or API.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

€19/month
The Free plan is permanent. The Medium plan is €19/month, and the Max plan is €29/month. Monthly plans have no commitment; annual billing offers a 9% saving.
Free Version Supported
Free Trial Supported

Reviews/Ratings

Overall 5.0 / 5
ease 4.0 / 5
features 5.0 / 5
design 4.0 / 5
support 3.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Security. Anonymous presence. Encryption. Availability for Windows 64, Android, iOS, and even the terminal.

Cons

  • Not too easy the first time. It may be a little hard to start with it when one is used to playing with another messaging app.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

SimpleX Chat
Founded: 2020
simplex.chat/

Company Information

UnlimitedMessaging
Founded: 2026
unlimitedmessaging.app/

Alternatives

Cwtch

Cwtch

Open Privacy Research Society

Alternatives

WhatsApp

WhatsApp

Meta
SekurMessenger

SekurMessenger

Sekur Private Data
xx messenger

xx messenger

Elixxir
Z-API Omni

Z-API Omni

Irrah Group

Categories

Messaging Supported

Categories

Messaging Supported

Messaging Features

End-to-End Encryption (E2EE) Supported
File Sharing Not Supported
Groups / Channels Not Supported
Payments Not Supported
Search / Filter Not Supported
Self-Destructing Messages Not Supported
Stickers / GIFs Not Supported
Threaded Discussion Not Supported
Video Conferencing Not Supported
Voice Calling Not Supported

Integrations

ChatGPT Not Supported
Claude Not Supported
Claude Duet Not Supported
Claude for Legal Not Supported
Model Context Protocol (MCP) Not Supported
n8n Not Supported

Integrations

ChatGPT Supported
Claude Supported
Claude Duet Supported
Claude for Legal Supported
Model Context Protocol (MCP) Supported
n8n Supported
Claim SimpleX and update features and information
Claim SimpleX and update features and information
Claim UnlimitedMessaging and update features and information
Claim UnlimitedMessaging and update features and information