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Delta Chat

Communication

Free open sourceEditorial overview
A CLOSER LOOK

What is Delta Chat?

Delta Chat provides private messaging using open internet standards and a choice of servers. It combines familiar chat conversations with groups, attachments and multi-device use while avoiding a single mandatory provider.

Private chats

Groups

Attachments

Multi-device use

Server choice

Is it a good fit?

Best suited to

People wanting messaging with a choice of providers.

Before you choose

Server choice and any provider limits are separate; some capabilities depend on the account and relay setup.

Editorial assessment based on the provider’s published information. Our method

Know what you're signing up for.

Delta Chat offers Open-source messaging application at no license charge. Server choice and any provider limits are separate; some capabilities depend on the account and relay setup.

Open-source messaging application

$0license

Server choice and any provider limits are separate; some capabilities depend on the account and relay setup.

  • Private chats
  • Groups
  • Attachments
View official plan

Server choice and any provider limits are separate; some capabilities depend on the account and relay setup.

Check current official pricing

The useful parts. The trade-offs.

Why consider it

Provider choice gives flexibility over message infrastructure

Chat interface is approachable for everyday conversations

What to keep in mind

Server and relay configuration can affect capabilities

Account transfer and recovery need preparation

How to use it well

Delta Chat separates the messaging application from the choice of server infrastructure. Start with a supported profile and invitation flow, then verify device transfer and recovery so your provider choice does not obscure the practical account-management steps.

Set up a chat profile and invite contacts using the supported invitation flow. Confirm encryption indicators and test a second device before moving important conversations. Keep a recovery or transfer plan, and distinguish the client’s free software from the service policies of its chosen provider.

A few things you might be wondering.

Is Delta Chat free?

Delta Chat offers Open-source messaging application at no license charge. Server choice and any provider limits are separate; some capabilities depend on the account and relay setup.

Is Delta Chat tied to one provider?

No. The project describes free server choice and open internet standards.

Can the same profile be used on several devices?

Yes. Multi-client use is documented, with a transfer/setup process for additional devices.

Where can I check the latest prices?

Use the provider link on this page. Billing period, location, team size, promotions, taxes, and optional extras may affect the amount you pay.

How should I compare this tool with alternatives?

Choose tools for the same task, then compare their feature limits, platform support, and total cost for your team. The Compare button helps you keep a shortlist.

Are the user reviews moderated?

Yes. New reviews are submitted for moderation. We show published user reviews separately from the editorial overview and never assign a default user rating.

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