24 Threema Alternatives & Competitors
Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.
Registration without phone number
Company behind Threema is based in Switzerland
Servers in Switzerland
Supports encrypted group chats
Group chat polls
Provides a web client
Ability to send pics and videos
Single device only
No cloud sync
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