Threema OnPrem
Self-Hosted Business Messaging
Free
5.9.1for iPhone, iPad and more
Age Rating
Threema OnPrem Screenshots
About Threema OnPrem
Threema OnPrem is the self-hosted messaging solution for organizations that require maximum security. The combination of Threema’s well-established security architecture and total data ownership results in a self-contained chat environment that is unparalleled in terms of confidentiality and is suitable for professional use in banks, government agencies, and industrial companies.
NOTE: In order to use this app, Threema OnPrem must be set up on your company server. More information: threema.ch/onprem
Threema OnPrem is not available for private users.
NOTE: In order to use this app, Threema OnPrem must be set up on your company server. More information: threema.ch/onprem
Threema OnPrem is not available for private users.
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What's New in the Latest Version 5.9.1
Last updated on Apr 2, 2024
Old Versions
• New: Global chat search that includes media captions
• Improvements in relation to Perfect Forward Secrecy
• Improvements in relation to group calls
• Updated WebRTC to M123
• Fixed a bug that could cause the location selection to be removed in some cases before sending
• Miscellaneous other bug fixes and performance improvements
• Improvements in relation to Perfect Forward Secrecy
• Improvements in relation to group calls
• Updated WebRTC to M123
• Fixed a bug that could cause the location selection to be removed in some cases before sending
• Miscellaneous other bug fixes and performance improvements
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Version History
5.9.1
Apr 2, 2024
• New: Global chat search that includes media captions
• Improvements in relation to Perfect Forward Secrecy
• Improvements in relation to group calls
• Updated WebRTC to M123
• Fixed a bug that could cause the location selection to be removed in some cases before sending
• Miscellaneous other bug fixes and performance improvements
• Improvements in relation to Perfect Forward Secrecy
• Improvements in relation to group calls
• Updated WebRTC to M123
• Fixed a bug that could cause the location selection to be removed in some cases before sending
• Miscellaneous other bug fixes and performance improvements
5.8.2
Mar 4, 2024
Threema OnPrem 5.8.2o
• Improvements in relation to polls
Threema OnPrem 5.8.1o
• Improvements in relation to polls
• Fixed a bug in relation to notifications
• Miscellaneous other bug fixes and performance improvements
• Improvements in relation to polls
Threema OnPrem 5.8.1o
• Improvements in relation to polls
• Fixed a bug in relation to notifications
• Miscellaneous other bug fixes and performance improvements
5.8.1
Feb 26, 2024
Threema OnPrem 5.8.1o
• Improvements in relation to polls
• Fixed a bug in relation to notifications
• Miscellaneous other bug fixes and performance improvements
• Improvements in relation to polls
• Fixed a bug in relation to notifications
• Miscellaneous other bug fixes and performance improvements
5.7.3
Jan 31, 2024
Threema OnPrem 5.7.3o
• Various minor improvements
Threema OnPrem 5.7.2o
• Fixed different bugs that could cause the app to become unresponsive
• Various other minor improvements
Threema OnPrem 5.7.1o
• New: option for periodic deletion of old messages after a specified amount of time (Settings > Storage Management > Manage All Chats > Automatic Deletion)
• New: overhauled “Profile” tab
• Improved performance for voice messages
• Improvements in relation to group calls
• Improvements in relation to Threema Work 2.0 for desktop
• Various bug fixes in relation to accessibility
• Fixed a bug in relation to media downloads
• Various other improvements
• Various minor improvements
Threema OnPrem 5.7.2o
• Fixed different bugs that could cause the app to become unresponsive
• Various other minor improvements
Threema OnPrem 5.7.1o
• New: option for periodic deletion of old messages after a specified amount of time (Settings > Storage Management > Manage All Chats > Automatic Deletion)
• New: overhauled “Profile” tab
• Improved performance for voice messages
• Improvements in relation to group calls
• Improvements in relation to Threema Work 2.0 for desktop
• Various bug fixes in relation to accessibility
• Fixed a bug in relation to media downloads
• Various other improvements
5.7.2
Jan 18, 2024
Threema OnPrem 5.7.2o
• Fixed different bugs that could cause the app to become unresponsive
• Various other minor improvements
Threema OnPrem 5.7.1o
• New: option for periodic deletion of old messages after a specified amount of time (Settings > Storage Management > Manage All Chats > Automatic Deletion)
• New: overhauled “Profile” tab
• Improved performance for voice messages
• Improvements in relation to group calls
• Improvements in relation to Threema Work 2.0 for desktop
• Various bug fixes in relation to accessibility
• Fixed a bug in relation to media downloads
• Various other improvements
• Fixed different bugs that could cause the app to become unresponsive
• Various other minor improvements
Threema OnPrem 5.7.1o
• New: option for periodic deletion of old messages after a specified amount of time (Settings > Storage Management > Manage All Chats > Automatic Deletion)
• New: overhauled “Profile” tab
• Improved performance for voice messages
• Improvements in relation to group calls
• Improvements in relation to Threema Work 2.0 for desktop
• Various bug fixes in relation to accessibility
• Fixed a bug in relation to media downloads
• Various other improvements
5.7.1
Dec 18, 2023
Threema OnPrem 5.7.1o
• New: option for periodic deletion of old messages after a specified amount of time (Settings > Storage Management > Manage All Chats > Automatic Deletion)
• New: overhauled “Profile” tab
• Improved performance for voice messages
• Improvements in relation to group calls
• Improvements in relation to Threema 2.0 for desktop
• Various bug fixes in relation to accessibility
• Fixed a bug in relation to media downloads
• Various other improvements
• New: option for periodic deletion of old messages after a specified amount of time (Settings > Storage Management > Manage All Chats > Automatic Deletion)
• New: overhauled “Profile” tab
• Improved performance for voice messages
• Improvements in relation to group calls
• Improvements in relation to Threema 2.0 for desktop
• Various bug fixes in relation to accessibility
• Fixed a bug in relation to media downloads
• Various other improvements
5.6.2
Nov 13, 2023
Threema OnPrem 5.6.2o
• Improved performance when writing/inserting long messages
• Improved performance when sending messages
• Various other improvements
Threema OnPrem 5.6.1o
• Improvements in relation to group calls
• Various other improvements
Threema OnPrem 5.6o
• New: Group calls (Tap on the phone icon in a group chat to start a call)
• Fixed a bug concerning Threema Safe
• Various bug fixes concerning Threema 2.0 for desktop
• Miscellaneous other bug fixes and performance improvements
• Improved performance when writing/inserting long messages
• Improved performance when sending messages
• Various other improvements
Threema OnPrem 5.6.1o
• Improvements in relation to group calls
• Various other improvements
Threema OnPrem 5.6o
• New: Group calls (Tap on the phone icon in a group chat to start a call)
• Fixed a bug concerning Threema Safe
• Various bug fixes concerning Threema 2.0 for desktop
• Miscellaneous other bug fixes and performance improvements
5.6.1
Oct 23, 2023
Threema OnPrem 5.6.1o
• Improvements in relation to group calls
• Various other improvements
Threema OnPrem 5.6o
• New: Group calls (Tap on the phone icon in a group chat to start a call)
• Fixed a bug concerning Threema Safe
• Various bug fixes concerning Threema 2.0 for desktop
• Miscellaneous other bug fixes and performance improvements
• Improvements in relation to group calls
• Various other improvements
Threema OnPrem 5.6o
• New: Group calls (Tap on the phone icon in a group chat to start a call)
• Fixed a bug concerning Threema Safe
• Various bug fixes concerning Threema 2.0 for desktop
• Miscellaneous other bug fixes and performance improvements
5.6
Oct 16, 2023
Threema OnPrem 5.6
• New: Group calls (Tap on the phone icon in a group chat to start a call)
• Fixed a bug concerning Threema Safe
• Various bug fixes concerning Threema 2.0 for desktop
• Miscellaneous other bug fixes and performance improvements
• New: Group calls (Tap on the phone icon in a group chat to start a call)
• Fixed a bug concerning Threema Safe
• Various bug fixes concerning Threema 2.0 for desktop
• Miscellaneous other bug fixes and performance improvements
5.5.4
Sep 21, 2023
Threema OnPrem 5.5.4
• Various bug fixes and other improvements
ThreemaOnPrem 5.5.3
• Various bug fixes and other improvements
Threema OnPrem 5.5.2
• Various bug fixes and other improvements
Threema OnPrem 5.5.1
• File names are now displayed in the media overview
• Improved performance
• Fixed a bug in relation to private chats
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• Various bug fixes and other improvements
ThreemaOnPrem 5.5.3
• Various bug fixes and other improvements
Threema OnPrem 5.5.2
• Various bug fixes and other improvements
Threema OnPrem 5.5.1
• File names are now displayed in the media overview
• Improved performance
• Fixed a bug in relation to private chats
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
5.5.3
Sep 20, 2023
ThreemaOnPrem 5.5.3
• Various bug fixes and other improvements
Threema OnPrem 5.5.2
• Various bug fixes and other improvements
Threema OnPrem 5.5.1
• File names are now displayed in the media overview
• Improved performance
• Fixed a bug in relation to private chats
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• Various bug fixes and other improvements
Threema OnPrem 5.5.2
• Various bug fixes and other improvements
Threema OnPrem 5.5.1
• File names are now displayed in the media overview
• Improved performance
• Fixed a bug in relation to private chats
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
5.5.2
Sep 14, 2023
Threema OnPrem 5.5.2
• Various bug fixes and other improvements
Threema OnPrem 5.5.1
• File names are now displayed in the media overview
• Improved performance
• Fixed a bug in relation to private chats
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• Various bug fixes and other improvements
Threema OnPrem 5.5.1
• File names are now displayed in the media overview
• Improved performance
• Fixed a bug in relation to private chats
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
5.5.1
Sep 11, 2023
• File names are now displayed in the media overview
• Improved performance
• Fixed a bug in relation to private chats
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• Improved performance
• Fixed a bug in relation to private chats
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
5.4.2
Aug 14, 2023
Threema OnPrem 5.4.2
• Various bug fixes and other improvements
Threema OnPrem 5.4.1
• Perfect Forward Secrecy is now enabled by default
• When being mentioned, your nickname is now displayed instead of “@me”
• Fixed a bug that caused the relative date in chats not to be updated after midnight
• Fixed a bug that could cause new messages not to be displayed in the chat overview
• Various bug fixes and other improvements
• Various bug fixes and other improvements
Threema OnPrem 5.4.1
• Perfect Forward Secrecy is now enabled by default
• When being mentioned, your nickname is now displayed instead of “@me”
• Fixed a bug that caused the relative date in chats not to be updated after midnight
• Fixed a bug that could cause new messages not to be displayed in the chat overview
• Various bug fixes and other improvements
5.4.1
Aug 10, 2023
• Perfect Forward Secrecy is now enabled by default
• When being mentioned, your nickname is now displayed instead of “@me”
• Fixed a bug that caused the relative date in chats not to be updated after midnight
• Fixed a bug that could cause new messages not to be displayed in the chat overview
• Various bug fixes and other improvements
• When being mentioned, your nickname is now displayed instead of “@me”
• Fixed a bug that caused the relative date in chats not to be updated after midnight
• Fixed a bug that could cause new messages not to be displayed in the chat overview
• Various bug fixes and other improvements
5.3.1
Jul 10, 2023
• After changing biometric data in iOS, password confirmation in Threema is required
• Improved stability when starting a Threema call
• Fixed a bug that occurred when displaying a text preview in the Share Extension
• Various bug fixes and other improvements
• Improved stability when starting a Threema call
• Fixed a bug that occurred when displaying a text preview in the Share Extension
• Various bug fixes and other improvements
5.2.1
Jun 12, 2023
• Wallpapers can now be set on a per-chat basis
• Media can now be downloaded directly in the media overview
• Text formatting is also displayed in the chat overview and in quoted messages
• Fixed various bugs in the chat interface
• Various bug fixes and other improvements
• Media can now be downloaded directly in the media overview
• Text formatting is also displayed in the chat overview and in quoted messages
• Fixed various bugs in the chat interface
• Various bug fixes and other improvements
5.1.1
May 15, 2023
• Added a new notification setting that also includes the sender’s profile picture
• Added a setting that enables the operating system to suggest frequent Threema contacts when sharing in iOS
• If camera access is denied, an icon to open the photo library is shown next to the text input field instead of the camera icon
• Fixed various bugs in relation to accessibility in the new chat interface
• Fixed a bug that caused changes in the app-configuration setting “th_hide_inactive_ids” to be ignored
• Fixed a bug that caused messages not to be marked as read when opening a chat
• Fixed a bug that caused notifications to appear even when “Do Not Disturb” was activated
• Various bug fixes and numerous under-the-hood improvements
• Added a setting that enables the operating system to suggest frequent Threema contacts when sharing in iOS
• If camera access is denied, an icon to open the photo library is shown next to the text input field instead of the camera icon
• Fixed various bugs in relation to accessibility in the new chat interface
• Fixed a bug that caused changes in the app-configuration setting “th_hide_inactive_ids” to be ignored
• Fixed a bug that caused messages not to be marked as read when opening a chat
• Fixed a bug that caused notifications to appear even when “Do Not Disturb” was activated
• Various bug fixes and numerous under-the-hood improvements
5.0.2
Apr 17, 2023
• Fixed a crash that could occur when opening the app
• Fixed a bug that caused links not to be recognized
• Fixed a bug that caused links not to be recognized
5.0.1
Mar 29, 2023
• Full technical and visual overhaul of the chat view
• Improved in-chat search, providing all results at a glance
• Past chat messages will now load automatically when scrolling (infinite scrolling)
• Inline player for voice messages
• Media and files can be now be viewed while the sending process is ongoing
• Redesign of the message detail view (accessible by swiping left on a message)
• In group messages, the members’ names are now displayed in different colors
• Live preview of text formatting
• Improved message delivery when the app is in the background
• Fixed a bug that caused problems with the setup wizard when the app credentials were distributed using an URL
• Fixed a bug that didn’t enforce Threema Safe backups when they were enabled and the password was set using an MDM system
• Various bug fixes and numerous under-the-hood improvements
• Improved in-chat search, providing all results at a glance
• Past chat messages will now load automatically when scrolling (infinite scrolling)
• Inline player for voice messages
• Media and files can be now be viewed while the sending process is ongoing
• Redesign of the message detail view (accessible by swiping left on a message)
• In group messages, the members’ names are now displayed in different colors
• Live preview of text formatting
• Improved message delivery when the app is in the background
• Fixed a bug that caused problems with the setup wizard when the app credentials were distributed using an URL
• Fixed a bug that didn’t enforce Threema Safe backups when they were enabled and the password was set using an MDM system
• Various bug fixes and numerous under-the-hood improvements
4.9.4
Feb 15, 2023
• Note groups now have a dedicated icon in the chat overview
• Fixed a bug that caused group messages not to be sent to all members
• Fixed a bug that caused background images in chats to be displayed incorrectly
• Other improvements and minor bug fixes
• Fixed a bug that caused group messages not to be sent to all members
• Fixed a bug that caused background images in chats to be displayed incorrectly
• Other improvements and minor bug fixes
4.9.3
Jan 26, 2023
• Send and receive messages with Perfect Forward Secrecy
• Support of the new communication protocol “Ibex”
• The agree/disagree feature is now also available in group chats
• New chat overview
• Unknown chat members will no longer automatically be added to the contact list
• Set storage management now on a per-chat basis
• Send videos in original quality
• Security improvements
• Various other improvements for upcoming features
• Support of the new communication protocol “Ibex”
• The agree/disagree feature is now also available in group chats
• New chat overview
• Unknown chat members will no longer automatically be added to the contact list
• Set storage management now on a per-chat basis
• Send videos in original quality
• Security improvements
• Various other improvements for upcoming features
4.8.4
Nov 3, 2022
This update requires iOS 15.0 or later.
• Push registration can now be renewed in the advanced settings
• Fixed a bug that could occur when sending large video
• Fixed a bug that could, in rare cases, prevent outgoing messages from being sent
• Fixed a bug in relation to the notification of private chats
• Fixed various crashes
• Other improvements and miscellaneous minor bug fixes
Desktop/Web:
Due to restrictions on Apple’s part, it is only possible for the desktop app / the web client to stay connected when the iOS app is in the foreground (see https://three.ma/webios).
• Push registration can now be renewed in the advanced settings
• Fixed a bug that could occur when sending large video
• Fixed a bug that could, in rare cases, prevent outgoing messages from being sent
• Fixed a bug in relation to the notification of private chats
• Fixed various crashes
• Other improvements and miscellaneous minor bug fixes
Desktop/Web:
Due to restrictions on Apple’s part, it is only possible for the desktop app / the web client to stay connected when the iOS app is in the foreground (see https://three.ma/webios).
4.7.5
Aug 29, 2022
• New: Mark chats as private, protect them with a password, and hide them in the chat overview
• New: Set read receipts and typing indicator per contact
• New: Archive chats
• New: Filter chat overview by contact name, group name, or Threema ID
• Revamped contact and group details and various UI tweaks
• Ukrainian and Slovakian localization
• Overhaul of internal message processing in preparation for upcoming features
• Various other under-the-hood improvements for upcoming features
Desktop/Web:
Due to restrictions on Apple’s part, it is only possible for the desktop app / the web client to stay connected when the iOS app is in the foreground (see https://three.ma/webios).
This update requires iOS 13.3 or later.
• New: Set read receipts and typing indicator per contact
• New: Archive chats
• New: Filter chat overview by contact name, group name, or Threema ID
• Revamped contact and group details and various UI tweaks
• Ukrainian and Slovakian localization
• Overhaul of internal message processing in preparation for upcoming features
• Various other under-the-hood improvements for upcoming features
Desktop/Web:
Due to restrictions on Apple’s part, it is only possible for the desktop app / the web client to stay connected when the iOS app is in the foreground (see https://three.ma/webios).
This update requires iOS 13.3 or later.
4.7.4
Apr 19, 2022
• Removed all UI related to bug reporting
Threema OnPrem FAQ
Click here to learn how to download Threema OnPrem in restricted country or region.
Check the following list to see the minimum requirements of Threema OnPrem.
iPhone
Requires iOS 15.0 or later.
iPad
Requires iPadOS 15.0 or later.
iPod touch
Requires iOS 15.0 or later.
Threema OnPrem supports English, Czech, Dutch, French, German, Italian, Japanese, Polish, Portuguese, Rhaeto-Romance, Russian, Simplified Chinese, Slovak, Spanish, Traditional Chinese, Turkish, Ukrainian
