Delta Chat
Réseaux sociaux
Gratuit
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.
plus Ce que la messagerie instantanée aurait toujours dû être.Le client n’est pas parfait mais ça fait largement le boulot
Ce que la messagerie instantanée aurait toujours dû être.Le client n’est pas parfait mais ça fait largement le boulot
- 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 avr.
- 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 févr.
- 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 janv.
- 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
- Add option to "Save" a message to the messages' context menu
- Saved messages are marked by a little star
- In the "Saved Messages" chat, messages are shown in context and have an option to go to the original
- The app now requires less storage by deduplicating newly received/sent files
- Show 'unconnected' and 'updating' states in profile switcher
- Add 'Paste from Clipboard' to onboarding QR code scanners
- Detect Stickers when dropped, pasted or picked from Gallery
- Modernize menus
- Clearer icons
- Clearer QR code reset options
- Bug fixes and more
These features will roll out over the coming days. Thanks for using Delta Chat!
1.52.2 02/02/2025
- Append dropped URLs to text field instead of attaching as file
- Drag images from a chat and drop it to another chat or even to another app (use a second finger for navigating!)
- Paste .webp images via drag'n'drop
- Add "Copy Image" to messages' conext menu
- Long-tap a proxy to share or delete
- More modern attach menu
- "Message Info" is moved to messages' context menu at "More Options / ..."
- To easier differ between multiple profiles, set a "Private Tag" (long tap profile switcher)
- In profile switcher's context menu, you have quick access to "Mute Notifications" for a profile
- Sort profiles to top in profile switcher, see context menu
- Allow cancelling profile edits, force a name when editing profile
- Fix scrolling issue when cancelling a screen
- Fix layout of 'No contacts found' message
These features will roll out over the coming days. Thanks for using Delta Chat!
1.50.5 19/01/2025
- New widget to access favourite chats (requires iOS 17)
- Modern look for the settings pages
- New Notification settings screen
- Option to toggle notifications for mentions
- Long-tap links for copying to clipboard
- Much smoother, motion reduced message list when using attach or other options
- Lots of bug fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
1.50.4 11/01/2025
- Don't change order of proxies when selecting a new one
- Add info messages about implicit membership changes if group member list is recreate
- Fix encrypted messages failures on some accounts (ignore garbage at the end of keys)
- Fix: Don't add "Failed to send message to ..." info messages to group chats
- Fix: Add self-addition message to chat when recreating member list
- Fix not showing "Notifications: Connected" even though PUSH is available (do not subscribe to heartbeat if already subscribed to PUSH)
- Fix "Show Full Message" being empty sometimes (if multiple text parts are cut)
These features will roll out over the coming days. Thanks for using Delta Chat!
1.50.3 15/12/2024
- Show notifications for reactions on own messages
- Icons for Dark-mode and tint colors
- offer to open http-links detected as proxy also in the browser
- Improve compatibility with classic email clients in outgoing messages
- Mark "Saved Messages" chat as protected
- bug fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
1.50.1 08/12/2024
- fix: show forward-icon on iOS 15 and older
- Add an option to use Proxy-servers (#2382, #2390)
- Show on Chatlist if there are Proxy-servers (#2383)
- Detect Proxy-servers in Chat-messages (#2389)
- Share Proxy-servers with your friends, family and allies (#2394)
- fix: no startup delay when processing PUSH notifications in parallel, just show "Updating..." in title bar
1.48.4 05/12/2024
- do not miss new messages when being inside a chat, the "Back" button now has an "unread" badge
- select multiple chats or messages with two-finger pan gestures
- improve chatlist swipe gestures: trailing to mute/archive/delete - leading to pin/mark-read
- save traffic by using compression
- automatic reconfiguration, e.g. switching to implicit TLS if STARTTLS port stops working
- parallelize IMAP and SMTP connection attempts
- improve DNS caching
- always use preloaded DNS results
- prioritize cached results if DNS resolver returns many results
- HTTP(S) tunneling
- allow to mute or unmute multiple selected chats at the same time
- check device owner (Passcode, Fingerprint, FaceID) on "Add Second Device", "Export" and "Password & Account"
- allow to copy text from "Message Info"
- fix scrolling and jumping when opening a chat and during chatting. solid!
- more bug fixes
These features will roll out over the coming days. Thanks for using Delta Chat!
1.48.3 05/11/2024
- Add "Share invite link"-button to "QR Invite Code"-Screen (#2276)
- Enhance "edit name" dialog (#2286)
- Share contact from "contact profile" (#2273)
- Share Log as file (#2205)
- Tune down "copy to clipboard" on "contact profile" (#2274)
- "Invite friends" from settings and "New Chat" (#2277)
- Hide email in "New chat"-list for trusted contacts (#2272)
- Hide option to add contacts manually when chatmail (#2283)
- Fix a bug that the message-timestamp didn't update occasionally (#2270)
- Show contact when tapping on their name in Reactions-overview (#2259)
- Mark bots as ... bots (#2254)
- Improve chat-deletion-confirmation (#2254)
- Update core to 1.142.12
- Improve security and QR-code generation
- Update core dependencies and remove obsolete ones
1.46.10 19/09/2024
- 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
plus Version 2.48.0 2 avr.
Données non collectées Le développeur ne collecte aucune donnée avec cette app.