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Element vs Threema Work: catalog facts
Element	Threema Work
Freemium The client is free and open source under the AGPL 3.0. Element Matrix Services sells…	Paid Paid business licences, with a 30-day free trial.
Windows, macOS, Linux, Android, iOS, Web, Self-hosted	macOS
End-to-end encryption with cross-signed device verification Federated, so you can run your own server and still reach everyone	End-to-end encrypted messaging for business use Focus on data protection and compliance
Encryption key management confuses people the first time they log in on a new device Heavy on memory for a chat app, and slow with many large rooms	Paid licences aimed at organisations, not individuals Separate from the consumer Threema app
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-3.0	License not stated
Account needed	Not stated if an account is needed
Works offline	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.