Threema. The Secure Messenger
Secure. Anonymous. Private.
$4.99
5.5.4for iPhone, iPad and more
8.3
365 Ratings
Threema GmbH
Developer
77.9 MB
Size
Dec 28, 2012
Update Date
#1
in Social Networking
4+
Age Rating
Age Rating
Threema. The Secure Messenger Screenshots
About Threema. The Secure Messenger
Threema is the world’s best-selling secure messenger and keeps your data out of the hands of hackers, corporations, and governments. The service can be used completely anonymously. Threema is open source, allows to make end-to-end encrypted voice and video calls, and offers every feature one would expect from a state-of-the-art instant messenger. With Threema Web, you can also use Threema from your Desktop.
PRIVACY AND ANONYMITY
Threema is designed from the ground up to generate as little data on servers as possible. Group memberships and contact lists are managed on your device only, and never stored on our servers. Messages are immediately deleted after they have been delivered. Local files are stored encrypted on your mobile phone or tablet. All this effectively prevents the collection and misuse of your personal information, including metadata. Threema is fully compliant with the European privacy legislation (GDPR).
ROCK-SOLID ENCRYPTION
Threema end-to-end encrypts all your communication, including messages, voice and video calls, group chats, files, and even status messages. Only the intended recipient, and nobody else, can read your messages. Threema uses the trusted open source NaCl cryptography library for encryption. The encryption keys are generated and safely stored on the users’ devices to prevent backdoor access or copies.
COMPREHENSIVE FEATURES
Threema is not only an encrypted and private messenger but also versatile and feature-rich.
• Write text and send voice messages
• Make voice and video calls
• Share videos, pictures and locations
• Send any type of file (pdf, animated gif, mp3, doc, zip, etc.)
• Use Threema Web to chat from your Desktop
• Create groups
• Conduct polls with the poll feature
• Choose between a dark and a light theme
• Quickly and silently reply with the unique agree/disagree feature
• Verify the identity of a contact by scanning their personal QR code
• Use Threema as anonymous instant messaging tool
• Synchronize your contacts (optional)
SERVERS IN SWITZERLAND
All our servers are located in Switzerland, and we develop our software in-house.
FULL ANONYMITY
Each Threema user receives a random Threema ID for identification. A phone number or email address is not required to use Threema. This unique feature allows you to use Threema completely anonymously – no need to give up private information or to open an account.
OPEN SOURCE AND AUDITS
The source code of the Threema app is open for everyone to review. On top of that, renowned experts are regularly commissioned to conduct systematic security audits of Threema’s code.
NO ADS, NO TRACKERS
Threema is not financed by advertising and does not collect user data.
SUPPORT / CONTACT
For questions or problems please consult our FAQs: https://threema.ch/en/faq
PRIVACY AND ANONYMITY
Threema is designed from the ground up to generate as little data on servers as possible. Group memberships and contact lists are managed on your device only, and never stored on our servers. Messages are immediately deleted after they have been delivered. Local files are stored encrypted on your mobile phone or tablet. All this effectively prevents the collection and misuse of your personal information, including metadata. Threema is fully compliant with the European privacy legislation (GDPR).
ROCK-SOLID ENCRYPTION
Threema end-to-end encrypts all your communication, including messages, voice and video calls, group chats, files, and even status messages. Only the intended recipient, and nobody else, can read your messages. Threema uses the trusted open source NaCl cryptography library for encryption. The encryption keys are generated and safely stored on the users’ devices to prevent backdoor access or copies.
COMPREHENSIVE FEATURES
Threema is not only an encrypted and private messenger but also versatile and feature-rich.
• Write text and send voice messages
• Make voice and video calls
• Share videos, pictures and locations
• Send any type of file (pdf, animated gif, mp3, doc, zip, etc.)
• Use Threema Web to chat from your Desktop
• Create groups
• Conduct polls with the poll feature
• Choose between a dark and a light theme
• Quickly and silently reply with the unique agree/disagree feature
• Verify the identity of a contact by scanning their personal QR code
• Use Threema as anonymous instant messaging tool
• Synchronize your contacts (optional)
SERVERS IN SWITZERLAND
All our servers are located in Switzerland, and we develop our software in-house.
FULL ANONYMITY
Each Threema user receives a random Threema ID for identification. A phone number or email address is not required to use Threema. This unique feature allows you to use Threema completely anonymously – no need to give up private information or to open an account.
OPEN SOURCE AND AUDITS
The source code of the Threema app is open for everyone to review. On top of that, renowned experts are regularly commissioned to conduct systematic security audits of Threema’s code.
NO ADS, NO TRACKERS
Threema is not financed by advertising and does not collect user data.
SUPPORT / CONTACT
For questions or problems please consult our FAQs: https://threema.ch/en/faq
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What's New in the Latest Version 5.5.4
Last updated on Sep 21, 2023
Old Versions
Threema 5.5.4
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
• Various bug fixes and other improvements
Threema 5.5.3
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
Threema 5.5.2
• Various bug fixes and other improvements
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
• Various bug fixes and other improvements
Threema 5.5.3
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
Threema 5.5.2
• Various bug fixes and other improvements
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
Show More
Version History
5.5.4
Sep 21, 2023
Threema 5.5.4
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
• Various bug fixes and other improvements
Threema 5.5.3
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
Threema 5.5.2
• Various bug fixes and other improvements
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
• Various bug fixes and other improvements
Threema 5.5.3
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
Threema 5.5.2
• Various bug fixes and other improvements
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
5.5.3
Sep 20, 2023
Threema 5.5.3
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
Threema 5.5.2
• Various bug fixes and other improvements
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• The iOS app can now be used with the beta version of Threema 2.0 for desktop (“Settings > Desktop/Web > Linked Device (Beta)”)
Threema 5.5.2
• Various bug fixes and other improvements
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
5.5.2
Sep 13, 2023
Threema 5.5.2
• Various bug fixes and other improvements
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• Various bug fixes and other improvements
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
5.5.1
Sep 11, 2023
Threema 5.5.1
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
• Fixed a bug in relation to private chats
• Improved performance
Threema 5.5
• File names are now displayed in the media overview
• Fixed a bug that caused wallpapers not to be displayed correctly
• Various bug fixes and other improvements
5.5
Sep 4, 2023
• File names are now displayed in the media overview
• Improved performance
• Fixed a bug that caused wallpapers not to be displayed correctly
• Fixed a bug that caused media messages not to be downloaded correctly
• Fixed a bug that caused contacts to be skipped during synchronization
• Fixed a bug that caused names of locations not to be displayed correctly
• Fixed several UI bugs
• Various bug fixes and other improvements
• Improved performance
• Fixed a bug that caused wallpapers not to be displayed correctly
• Fixed a bug that caused media messages not to be downloaded correctly
• Fixed a bug that caused contacts to be skipped during synchronization
• Fixed a bug that caused names of locations not to be displayed correctly
• Fixed several UI bugs
• Various bug fixes and other improvements
5.4.1
Aug 14, 2023
Threema 5.4.1
• Various bug fixes and other improvements
Threema 5.4
• Perfect Forward Secrecy is now enabled by default
• When being mentioned, your nickname is now displayed instead of “@me”
• Fixed a bug that prevented the relative date from getting updated after midnight while in a chat
• Fixed a bug that could result in new messages not being displayed in the chat overview
• Various bug fixes and other improvements
• Various bug fixes and other improvements
Threema 5.4
• Perfect Forward Secrecy is now enabled by default
• When being mentioned, your nickname is now displayed instead of “@me”
• Fixed a bug that prevented the relative date from getting updated after midnight while in a chat
• Fixed a bug that could result in new messages not being displayed in the chat overview
• Various bug fixes and other improvements
5.4
Aug 2, 2023
• Perfect Forward Secrecy is now enabled by default
• When being mentioned, your nickname is now displayed instead of “@me”
• Fixed a bug that prevented the relative date from getting updated after midnight while in a chat
• Fixed a bug that could result in new messages not being 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 prevented the relative date from getting updated after midnight while in a chat
• Fixed a bug that could result in new messages not being displayed in the chat overview
• Various bug fixes and other improvements
5.3.1
Jul 10, 2023
• Various bug fixes and other improvements
5.3
Jun 26, 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
Threema 5.2.1
• Various minor bug fixes and other improvements
Threema 5.2
• 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
• Various minor bug fixes and other improvements
Threema 5.2
• 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
5.2
Jun 1, 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
• Fixed a bug in relation to accessibility in the new chat interface
• Miscellaneous minor bug fixes
• Miscellaneous minor bug fixes
5.1
May 1, 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 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 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 27, 2023
• Several improvements in relation to mentions
• Fixed a possible bug in relation to chat exports
• Fixed a bug that could cause the scroll position to jump after opening a chat again from the App Switcher
• Added a “Scan QR code” option to the text input menu
• For VoiceOver users, the new chat view is disabled in this version. The reported issues will be addressed and the new chat view reenabled in a future version.
• Fixed a possible bug in relation to chat exports
• Fixed a bug that could cause the scroll position to jump after opening a chat again from the App Switcher
• Added a “Scan QR code” option to the text input menu
• For VoiceOver users, the new chat view is disabled in this version. The reported issues will be addressed and the new chat view reenabled in a future version.
5.0
Mar 15, 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
• 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
• Various bug fixes and numerous under-the-hood improvements
4.9.4
Feb 8, 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 23, 2023
• If a vote in a poll was changed, this will be reflected in the generated system notification
• Other improvements and minor bug fixes
• Other improvements and minor bug fixes
4.9.2
Jan 5, 2023
Version 4.9.2
• Fixed a crash that could occur when opening the app
• Fixed a bug that could occur when sending video messages
Version 4.9
• Support of the new communication protocol “Ibex”
• Send and receive messages with Perfect Forward Secrecy
• 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
• Various other improvements for upcoming features
• Fixed a crash that could occur when opening the app
• Fixed a bug that could occur when sending video messages
Version 4.9
• Support of the new communication protocol “Ibex”
• Send and receive messages with Perfect Forward Secrecy
• 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
• Various other improvements for upcoming features
4.9.1
Dec 29, 2022
• Fixed a crash that could occur when opening the app
4.9
Dec 27, 2022
• Send and receive messages with Perfect Forward Secrecy
• Support of the new communication protocol “Ibex”
• 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
• Various other improvements for upcoming features
• Support of the new communication protocol “Ibex”
• 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
• Various other improvements for upcoming features
4.8.5
Nov 29, 2022
• The agree/disagree feature is now also available in group chats
• To celebrate Threema turning ten, we have festooned the app icon. The icon can be changed back to the default or to a legacy version in the settings
• Security improvements
• Other improvements and minor bug fixes
• To celebrate Threema turning ten, we have festooned the app icon. The icon can be changed back to the default or to a legacy version in the settings
• Security improvements
• Other improvements and minor bug fixes
4.8.4
Nov 3, 2022
• 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
• 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
4.8.3
Oct 17, 2022
This update requires iOS 15.0 or later.
• 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).
New in 4.8.3
• Fixed various bugs which could cause the app to crash in rare cases
• 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).
New in 4.8.3
• Fixed various bugs which could cause the app to crash in rare cases
4.8.2
Oct 10, 2022
This update requires iOS 15.0 or later.
• 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).
New in 4.8.2
• Fixed a bug where the notification sound was played for muted chats
• 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).
New in 4.8.2
• Fixed a bug where the notification sound was played for muted chats
Threema. The Secure Messenger FAQ
Click here to learn how to download Threema. The Secure Messenger in restricted country or region.
Check the following list to see the minimum requirements of Threema. The Secure Messenger.
iPhone
Requires iOS 15.0 or later.
iPad
Requires iPadOS 15.0 or later.
iPod touch
Requires iOS 15.0 or later.
Threema. The Secure Messenger supports English, Basque, Czech, Dutch, French, German, Italian, Japanese, Polish, Portuguese, Rhaeto-Romance, Russian, Simplified Chinese, Slovak, Spanish, Traditional Chinese, Turkish, Ukrainian
