SimpleXSimpleX Chat
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Related Products
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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.
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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.
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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
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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
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Audience
Users interested in a secure messaging app with no user identifiers
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Audience
Developers, SaaS teams, and marketers that need to send and manage WhatsApp messages and email through a web dashboard or API.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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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
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationSimpleX Chat
Founded: 2020
simplex.chat/
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Company InformationUnlimitedMessaging
Founded: 2026
unlimitedmessaging.app/
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Alternatives |
Alternatives |
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Categories |
Categories |
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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
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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
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Integrations
ChatGPT
Supported
Claude
Supported
Claude Duet
Supported
Claude for Legal
Supported
Model Context Protocol (MCP)
Supported
n8n
Supported
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