Citadel Team
Secured collaborative tool
Free
With Citadel Team, organize audio and video conferences, start calls, send messages, create groups with all your colleagues, share all kind of documents, videos and high-quality photos with complete confidentiality.
Your communications are protected by advanced encryption technologies, including end-to-end encryption. This means that no one but you and your correspondent can listen to or read your exchanges. The Citadel Team service is hosted in France and applies strict French and European laws that protect your privacy.
- More comfortable conversations: group instant messaging or direct chats, file sharing, Secure phone service, audio and video conferences
- Keep your data under control: invite your contacts without your phonebook being stolen
- Multi-devices automatic sync: Your mobile devices and computer are always synchronised
And that's just the beginning: We have many other improvements coming to help you be more efficient at work every day!
more Bug fix update.
8.8.0 Mar 12
This release fixes the UI bugs related to iPadOS 26.2 and minor bug fixes.
8.7.0 Jan 28
Bug fixes:
Sometimes the calls do not reach their recipient.
8.6.0 09/17/2025
New feature:
User segmentation for freemium
8.5.0 07/29/2025
Minor bug fixes.
8.4.4 05/06/2025
Minor bug fixes.
8.4.3 02/04/2025
This new release add the possibility to disable the call service on a specific device.
it improves also the quality and stability of your application, some bugs have also been fixed.
8.4.2 01/23/2025
This new release improves the quality and stability of your application, some bugs have also been fixed.
8.4.0 10/23/2024
This new release improves the quality and stability of your application, some bugs have also been fixed.
8.3.0 06/19/2024
Many of you have been eagerly awaiting the arrival of emoji reactions and it's here!
You can now quickly react to messages with emojis.
And to improve the quality and stability of your application, some bugs have also been fixed.
8.2.0 04/25/2024
Following an update of the servers managing the secure call service,
please update your application to continue using this service after April 17.
8.1.1 04/11/2024
Keep enjoying Citadel Team with new features!
In this version, you can change the text size for Citadel Team only from the application settings.
In these settings, you can also see which authentication method you are recommended to activate to secure your connections to Citadel.
And to improve the quality and stability of your application, some bugs have also been fixed.
8.1.0 01/30/2024
Keep enjoying Citadel Team with new features!
This new version will allow you to be notified of future maintenances and important messages concerning your application.
To enhance the quality and stability of your application, this new version improves performance and fixes bugs.
8.0.0 11/13/2023
Keep enjoying Citadel Team with new features!
In this new version, you will be able to manage the display of service messages in your rooms, font size becomes dynamic according to system settings, and the Conference connectivity has been improved in bad network conditions.
To enhance the quality and stability of your application, this new version improves performance and fixes bugs.
Security vulnerability CVE-2023-5217 has also been fixed.
7.9.0 10/24/2023
To improve the quality and stability of your application, bugs have been fixed.
7.8.1 10/02/2023
E2E key sharing between room members is finally released !
You can no longer read the encrypted messages? Just ask for help from the room members!
“What’s new in Citadel” functionality is now available !
You will now be informed of what's new thanks to a new animation launched after an update of your app.
And to improve the quality and stability of your application, bugs have also been fixed.
7.8.0 07/25/2023
To improve the quality and stability of your application we have modified the call service access and fixed bugs.
7.7.1 05/04/2023
This new version of Citadel Team will allow you to strengthen access to your account through a new multi-factor authentication procedure (T-OTP MFA).
More secure than SMS and more accessible than email, this authentication will be done using an authentication application installed on your mobile phone.
And to improve the quality and stability of your application, bugs have also been fixed.
7.7.0 03/02/2023
This version provides some bug fixes.
And continue to enjoy the Conférence on Citadel Team with the feature to know who is speaking!
You will now know who is speaking during the conference as the frame of participant thumbnail will be highlighted.
7.6.1 02/18/2023
Continue to enjoy the Conférence on Citadel Team with a new feature to know who is speaking!
You will now know who is speaking during the conference as the frame of participant thumbnail will be highlighted.
And to improve the quality and stability of your application, bugs have also been fixed.
7.6.0 01/26/2023
Continue to enjoy the Citadel Team with its new screen sharing feature in conferences!
You will also enjoy a new design for audio conferences and find a new option for video conferences that will allow you to no longer display the cameras of other participants if the network quality is poor.
In order to improve the quality and stability of your application bugs have also been fixed.
7.5.0 11/29/2022
Keep enjoying Citadel Team with new features!
In order to improve your user experience, the display of audio conferences has been improved and you will find a new option to manage the sound of notifications when a person joins or leaves the conferences.
If you do not have access to your application for three days, you now have a new option to receive an e-mail summary of your chatrooms activity.
And to improve the quality and stability of your application, the opening time of the application has been reduced and bugs have been fixed.
7.4.0 09/13/2022
Continue to enjoy Citadel Team with new features!
Before entering a conference a new screen will allow you to select and configure your microphone and camera.
And to improve the quality and stability of your application, bugs have also been fixed.
7.3.0 07/12/2022
Continue to enjoy Citadel Team with new features!
During a conference you can now select the audio input/output of your choice (phone, speaker, bluetooth device,...).
You also have a new option to delete a chat room if you are the room administrator.
And to improve the quality and stability of your application, bugs have also been fixed.
7.2.0 06/02/2022
Continue to enjoy Citadel Team with new features!
In order to improve your user experience, when you are the organizer (initiator) of a conference you have new rights that allow you to close the conference for all participants and exclude some of them, while viewing a screen shared you can now zoom in and click on a Citadel link from another app will automatically open Citadel.
And to improve the quality and stability of your application, bugs have also been fixed.
7.1.0 04/06/2022
Bug fix update.
more Version 8.8.0 Mar 12
Data Linked to You The following data may be collected and linked to your identity:
Location Contact Info User Content Identifiers Usage Data