HansaChat vs Teamwire

HansaChat has no write-up on Specifiction yet; its figures are above.

Teamwire is a secure business messenger and collaboration platform from Teamwire, headquartered in Munich and founded in 2014. It is designed for companies, public authorities, mobile teams, and mission communications. Chats support one-to-one, group, and broadcast conversations, file sharing, mentions, read receipts, and reactions. Voice and video calls handle up to 30 participants, with screen sharing and in-call reactions. Emergency coordination features include alerts, acknowledgements, live location, and push-to-talk. Teamwire states that it is GDPR-compliant, ISO 27001 certified, and BSI C5 tested, with user data, messages, and content stored exclusively on servers in Germany. Hosting can use a German cloud, private cloud, or on-premise setup, depending on plan. Administration includes user management, retention policies, audit logs, and MDM support. Integrations include LDAP, Active Directory, ArcGIS, WhatsApp Business, SAP, Salesforce, Splunk, Sisense, SAP Crystal Reports, and AppConfig. Web, Windows, macOS, Linux, iOS, Android, and API access are listed.