Delta Chat is a reliable, decentralized instant messenger designed to make personal and business communication easy and fun. It is continuously available on multiple platforms around the world. Whether you're chatting with friends, family, groups, or organisations, Delta Chat provides a privacy-focused, flexible, and secure messaging experience. Unlike traditional messengers, Delta Chat is built on the email protocol, making it independent of centralised servers while still providing real-time chat functionality. It is developed by a dedicated free and open-source software (FOSS) community, with frequent updates and improvements being made on multiple platforms around the world.
Key Features of Delta Chat
1. Anonymous Onboarding
Delta Chat does not require a phone number, email, or personal data to get started. Users can begin chatting immediately without exposing their identity, making it ideal for privacy-conscious individuals.
2. Flexible Multi-Device Support
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Supports multiple chat profiles, allowing users to manage different identities.
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Easy setup across multiple devices without complicated synchronization.
3. Extensible with In-Chat Apps
Delta Chat allows users to enhance conversations with integrated tools such as:
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Shopping lists
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Calendars
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Gaming apps
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Text-to-Speech (TTS) support (new feature)
These apps can be added to any chat, making conversations more interactive and productive.
4. Reliable Under Poor Network Conditions
Delta Chat is optimized to work even in low-bandwidth or unstable network conditions, ensuring messages are delivered reliably.
5. Secure End-to-End Encryption
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Messages are end-to-end encrypted (E2EE) by default.
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Protects against network and server attacks.
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Independently audited for security.
6. Sovereign & Self-Hostable
Users can:
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Use their own email address (no forced sign-up).
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Run their own email server for full control over data.
7. Fully Open-Source (FOSS)
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Built on Internet Standards (email protocols).
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No proprietary lock-in-users can verify and modify the code.
Latest Updates (Android Changelog)
Unreleased Features (Upcoming)
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Clearer app lists: Removes redundant "App" subtitle for better readability.
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Quick access button: New button for fast access to in-chat apps.
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New in-chat apps button icon: Improved visual design.
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Better app draft hints: More intuitive guidance when drafting apps.
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Text-to-Speech (TTS) support: Allows apps to read text aloud.
v1.59.5 (Latest Stable Release)
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Fixed in-chat apps in draft mode: Ensures apps work before sending.
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Improved avatar quality: Better resolution for profile pictures.
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Bug fixes & translations: General stability improvements and updated language support.
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Core update: Upgraded to core version 1.159.7 for better performance.
Why Choose Delta Chat?
No Tracking - No phone number or personal data required.Decentralized - Works over email, avoiding corporate-controlled servers.End-to-End Encrypted - Secure against eavesdropping.Self-Hostable - Full control over your messaging infrastructure.Open-Source - Transparent and community-driven development.
Conclusion
Delta Chat is a unique messenger that combines privacy, flexibility, and security with the convenience of modern chat apps. Its open-source nature, self-hosting options, and encryption make it a strong choice for users who value freedom and security.
With regular updates and new features (like in-chat apps and TTS), Delta Chat continues to evolve as a powerful, decentralized alternative to mainstream messaging platforms.
