Delta Chat
Redes sociales
Gratis
Delta Chat is a reliable decentralized instant messenger that is easy and fun to use for friends, family, groups and organizations. Delta Chat is developed by a dedicated FOSS contributor community that jointly releases refinements and new features several times a year, across many stores and platforms world-wide.
Features at a glance:
• Private. Instant on-boarding without a phone number or other private data.
• Friends & Family: Only chat with people you know. Unknown users cannot message or follow you without mutual consent.
• Flexible. Supports multiple chat profiles and is easy to setup on multiple devices.
• Reliable. Works under bad and adversarial network conditions.
• Secure. Audited End-to-End encryption safe against network and server attacks.
• Sovereign. Can be run with your own e-mail address or server.
• FOSS. Fully Open Source/Free Software, built on Internet Standards.
Más - Prefer adding relay over adding profiles when scanning QR code
- Share attachments of multiple selected messages at once
- Fix chat edge contrast when iOS changes the status bar color
- Fix: Category labels in emoji picker not rendering correctly on iOS 26
- Fix: Incorrect content inset when "Share to x" alert is presented when sharing to Delta Chat
- Fix sometimes unaligned chat subtitle
- Fix onboarding page buttons
- Fix status bar edge effect contrast
- Fix stickers
- Fix layout glitches in iOS 15
- Add Hebrew language, update translations and local help
These features will roll out over the coming days. Thanks for using Delta Chat!
2.57.1 7 ago
- Fix relays not synced properly between recent versions
from 2.56.0:
- Show notifications when app is in foreground and the respective chat is not on screen
- Allow voice and audio messages to continue playing in the background
- Add "laughing face" to quick reaction emoji
- Support LiquidGlass UI language on systems that support that
These features will roll out over the coming days. Thanks for using Delta Chat!
2.57.0 28 jul
- Show notifications when app is in foreground and the respective chat is not on screen
- Allow voice and audio messages to continue playing in the background
- Support LiquidGlass UI language on systems that support that
- Bug Fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
2.56.0 25 jul
- "Calls" and "Channels" are available by default and are no longer experimental
- Add outgoing ringing sound and call status
- Resend the last 10 messages to new broadcast channel member
- Consistent outgoing image quality between images with different aspect ratio
- Enable PQC (Post-Quantum Cryptography) support. We do not generate PQC keys yet, this step is needed for forward compatibility
- Add "Mark All as Read" to the profile switcher context menu
- Improve avatar quality
- Simplified classic provider handling
- Add an option to process unencrypted messages to "Advanced / Relays / Edit / More Options". By default, only encrypted messages can be sent or received
- Show full message screen now uses the system font
- Click on location streaming info message to open the map
- Ignore blocked contacts attempting scanning your QR code
- Fix: Update the channel title after joining if the QR code included a wrong title
- Fix: Don't send removal message to contact that hasn't been a chat member
- Fix: Reactions could go to the wrong message if a new message was received while long pressing
- Fix: update relay list when modified on other devices
- Fix: Tapping "Me" in reactions overview would open the wrong contact on anything other than your first profile
- Fix: Video and PDF thumbnails are now cached for smoother scrolling
- Fix: Do not abort IMAP connection if setting the push token fails
These features will roll out over the coming days. Thanks for using Delta Chat!
2.53.0 17 jun
- "Calls" and "Channels" are available by default and are no longer experimental
- Resend the last 10 messages to new broadcast channel member
- Enable PQC (Post-Quantum Cryptography) support. We do not generate PQC keys yet, this step is needed for forward compatibility
- Add "Mark All as Read" to the profile switcher context menu
- Improve avatar quality
- Simplified classic provider handling
- Add an option to process unencrypted messages to "Advanced / Relays / Edit / More Options". By default, only encrypted messages can be sent or received
- Show full message screen now uses the system font
- Click on location streaming info message to open the map
- Fix: Update the channel title after joining if the QR code included a wrong title
- Fix: Don't send removal message to contact that hasn't been a chat member
- Fix: Reactions could go to the wrong message if a new message was received while long pressing
- Fix: update relay list when modified on other devices
These features will roll out over the coming days. Thanks for using Delta Chat!
2.52.0 11 jun
- "Calls" and "Channels" are available by default and are no longer experimental
- Resend the last 10 messages to new broadcast channel member
- Enable PQC (Post-Quantum Cryptography) support. We do not generate PQC keys yet, this step is needed for forward compatibility
- Add "Mark All as Read" to the profile switcher context menu
- Improve avatar quality
- Simplified classic provider handling
- Add an option to process unencrypted messages to "Advanced / Relays / Edit / More Options". By default, only encrypted messages can be sent or received
- Show full message screen now uses the system font
- Several bug fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
2.51.1 8 jun
Added an App Clip to handle an invite link in case the app wasn't installed yet.
2.49.2 29 abr
This version is a pure bugfix release:
- When tapping an invite link, after app installation, offer corresponding chat
- Fix: do not crash when swiping keyboard down
- Fix: Mark a message as delivered only after it has been fully sent out
- Fix: Do not create 1:1 chat on second device when scanning a QR code
- Fix: Do not URL-encode proxy hostnames
- Fix: Let search also return hidden contacts if search value is an email address
- Fix: Make informational messages stick to the top of the chat
- Fix sometimes wrong detection of self-messages
- Fix sometimes wrong orientaton of images
- Fix: in-chat unread counter on the back button was not always updated after marking chats as unread
- Fix memory leak when opening chatlist and chat frequently
- Fix: Ignore messages about group name change from non-member
These features will roll out over the coming days. Thanks for using Delta Chat!
2.49.1 23 abr
- Increase resilience of multi-relay usage: if on relay goes down, messages are still received in the others
- In the chat list, swipe a read chat to the right to mark it "unread"
- Allow to switch profile when sharing or forwarding
- Add group descriptions
- Leave groups and channels before deletion
- Support GIF stickers
- Increase reply swipe sensitivity
- Add tab bar icon bounce animation on tap
- Tons of bug fixes
2.48.0 2 abr
- Faster preview and notifications of large messages
- Improve "Connectivity View"
- Truncate file names in the middle, not at the end; important information are more often at the end
- Experimental calls are now native
- Fix: Notifications are now removed when you open their respective chat on a different device
- Fix: No longer receive empty or ":" notifications when using experimental location sharing
- Fix: Improve QR codes handshake on special server configurations
- Fix: Fixed case where daymarkers could show the wrong date
- Fix: Online indicator in the chat navigation bar now updates correctly when returning from background
- Fix: Reset a previously removed setting that prevented adding new relays
- Fix: Do not upscale small images
- Fix: Restart I/O when there are new transports in a sync message
- Fix: Disable partial search by contact address, which results in apparently random results as address is not shown
- Fix: More reliable parsing of relay QR-codes and -links
- Fix: Prevent possible infinite loop with invalid SMTP row
- Fix: Sync broadcast subscribers list
These features will roll out over the coming days. Thanks for using Delta Chat!
2.43.0 26 feb
- Scanning a QR code with a relay ask for adding it as additional transport
- Ask for device owner verification on profile deletion
- Better logging
- Simplify automatic deletion options
- Fix: Show input-bar after QR scan immediately
- Fix: Remove sometimes misleading "Please wait..." after QR code scan
- Fix: Do not set normalized name for existing chats and contacts; it takes too long sometimes
- Fix: Show relays in connectivity view by their hostname
- Fix: Synchronize default relay immediately after changing it
- Fix: Let securejoin succeed even if the chat was deleted in the meantime
- Fix: Ask before sharing via a direct-share link
- Fix: Show "Mark Read" icon on iOS 14/15
- Fix: Open chat after creating contact manually
- Fix: Add manually added contacts to member list
- Fix: Adding contacts manually is not possible for groups
2.35.0 19 ene
- Handle additional relays
- Improved metadata protection
- Better multi-device: synchronize group creation across devices
- Improve onboarding speed
- Links in messages are now highlighted
- Improve navigation in offline help
- Lots of bug fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
2.33.0 11/12/2025
- Disappearing messages options range from 5 minutes to 1 year now
- Share email address for email contacts instead of vCard
- In case of errors, tapping message text or status opens "message info" directly
- Flatten profile menu
- Show possible notification issues prominently in settings
- Show addresses for address contacts only
- Option to copy contact profile's "Encryption Info" to the clipboard
- User colors get a more consistent appearance
- Create user colors based on cryptographic identity instead of address
- Withdraw all QR codes when one QR code is withdrawn
- Support TLS 1.3 session resumption
- Fix avatar color in vcards
- Fix removing Exif data from corrupted images
- Fix: Make calendar files available as an attachment
- Fix transparency of larger stickers
- Fix: do not show letter icon for partially downloaded messages
- Fix: notifications now show up while the app is inactive in foreground (eg when in the app switcher)
- Fix group creation and verification issues
These features will roll out over the coming days. Thanks for using Delta Chat!
2.22.1 30/10/2025
- Allow to clone email chats
- Fix: Prevent the drag preview from showing upside down when long pressing reaction on an image
- Fix some small bugs
- Add Estonian translation
These features will roll out over the coming days. Thanks for using Delta Chat!
2.11.0 14/08/2025
- In Delta Chat, version 2.x, everything is encrypted by default - no locks or other symbols required.
- Version 2.x also comes with improved profiles
Recent changes in 2.10.0:
- Do not enlarge default icons as 'Saved Messages' or 'Device Chat'
- Show 'Saved Messages' icon in title
- When tapping an address, open existing encrypted chat, if any
These features will roll out over the coming days. Thanks for using Delta Chat!
2.10.0 07/08/2025
- Separate between unencrypted and encrypted chats, avoiding mixing of encrypted/unencrypted messages in the same chat
- Removed padlocks, as encrypted is the default "normal" state. Instead, unencrypted email is marked with a small letter icon
- Green checkmarks removed where they mostly refer to encryption, which is the default now. They are still used for profile's
"Introduced by"
- Classic email chats get a big letter icon making it easy to recognize
- Option to create a new email with subject and recipients
- Images with huge pixel sizes are sent as "Files"
- Indicate which message was scrolled to
- Easier recognizable date headlines
- Improve sorting "Saved Messages"
- Improve logging and error handling
- Lots of bug fixes
2.9.0 01/08/2025
- Separate between unencrypted and encrypted chats, avoiding mixing of encrypted/unencrypted messages in the same chat
- Removed padlocks, as encrypted is the default "normal" state. Instead, unencrypted email is marked with a small letter icon
- Green checkmarks removed where they mostly refer to encryption, which is the default now. They are still used for profile's "Introduced by"
- Classic email chats get a big letter icon making it easy to recognize
- Option to create a new email with subject and recipients
- Images with huge pixel sizes are sent as "Files"
- Indicate which message was scrolled to
- Easier recognizable date headlines
- Improve sorting "Saved Messages"
- Improve logging and error handling
- Lots of bug fixes
2.8.0 31/07/2025
- Access "Media" by an dedicated icon in chat's upper right corner
- "All Media" are available from the settings
- Speed up opening profiles
- Show "Disappearing Messages" state alrady in menu
- Fix sending voice messages if "Settings / Chats / Media Quality" is set to "Worse Quality"
- Fix: align avatar in groups to message
- Fix: return correct results when searching for a space
- Fix: show video recoding and similar errors in an alert
- Fix: video compression on iOS 16
- Fix: attaching GIFs and webP from gallery
- Fix: drag and drop videos on iOS 15
- Fix: attaching files on iOS 15
These features will roll out over the coming days. Thanks for using Delta Chat!
1.58.6 26/06/2025
- Fix notification sound
- Fix bitrate for "worse" outgoing media quality
- Save multiple selected messages in one go
- Improve voice message UI
These features will roll out over the coming days. Thanks for using Delta Chat!
1.58.5 21/05/2025
- Nicer profile, focusing on recognising contacts
- Fix adding chats from different profiles to widget
- Fix: Show errors if changing address fails
- Fix long tapping chats on iPad
These features will roll out over the coming days. Thanks for using Delta Chat!
1.58.4 17/05/2025
- Select and send multiple images at the same time
- Recode videos to reasonable quality and size
- Attach images and videos as original files
- Support pasted GIFs
- Notifications in Notification Center are grouped by chat
- More characters in notification before truncating
- Bug fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
1.58.3 11/05/2025
- Modernise "Close" button in overlay sheets
- Full-screen display of own avatar from "your profile" settings
- Tapping info messages with contacts open the contact's profile
- Hide superfluous "Show Classic E-mails" advanced setting for chatmail
- Add a message with further information when securejoin times out (instead of allowing to send unencrypted)
- Forwarding messages do not inherit "Edited" state
- Data saving: do not send messages to the server if user is the only member of the chat in single-device usage
- Synchronize contact name changes across devices
- Hide address in primary settings screen, so it cannot be passed around without e2ee info
- Show self bio summary in primary settings screen
- Further metadata protection: encrypt message's sent date
- Bug Fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
1.58.1 14/04/2025
- Edit your messages
- Delete your messages for everyone
- Search "Saved Messages" from title bar (it was available in profile before)
- Remove "Manage Keys" and "Import Autocrypt Setup Message"; use "Add Second Device"
- Allow better avatar (profile picture) quality
- Remove notifications from chat that was deleted from other device
- When a chat is deleted, also delete its messages from server
- Add mute option "8 hours"
- Improve deletion confirmation for "Device Messages"
- Fix decompression get stuck, leading to random errors sometimes
- Fix rare crash when switching server and server reports bad quota
- Fix names of explicitly attached files
- Fix hiding of "disappearing messages" icon in edit mode
- Fix rare crash when viewing avatars
- Fixed more minor bugs
These features will roll out over the coming days. Thanks for using Delta Chat!
1.54.5 16/03/2025
• Accessibility: voice over reads a reaction summary for messages
• Sync message and chat deletion to other devices
• Allow scanning multiple QR-invitation codes without needing to wait for completion to scan the next one
• Do not allow non-members to change ephemeral timer settings of groups
• Properly display padlock when the message is not sent over the network
• When reactions are seen in one device, remove notification from your other devices
• Don't disturb with notification when someone leave a group
• Share files generated by webxdc apps directly
• Tweak menu order
• Save space by Deduplicating files on sending
• Detect incompatible profiles from newer app version when importing them
• Show sender in "Saved Messages"
• Bug fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
1.54.3 04/03/2025
- Improve "message menu": many options are now faster accessible
- Unify buttons and icons
- When forwarding to "Saved Messages", if possible, save the message including context
- Option to copy scanned QR code text to clipboard
- Fix "Add Second Device" issues when scanning older QR codes
- Fix vcards reading issues
- Fix: Allow to share contacts that do not have a chat
These features will roll out over the coming days. Thanks for using Delta Chat!
1.54.0 12/02/2025
- Prefer adding relay over adding profiles when scanning QR code
- Share attachments of multiple selected messages at once
- Fix chat edge contrast when iOS changes the status bar color
- Fix: Category labels in emoji picker not rendering correctly on iOS 26
- Fix: Incorrect content inset when "Share to x" alert is presented when sharing to Delta Chat
- Fix sometimes unaligned chat subtitle
- Fix onboarding page buttons
- Fix status bar edge effect contrast
- Fix stickers
- Fix layout glitches in iOS 15
- Add Hebrew language, update translations and local help
These features will roll out over the coming days. Thanks for using Delta Chat!
Más Versión 2.57.1 7 ago
No se recopilan datos El desarrollador no recopila ningún dato en esta app.