Vetted Score
4.6
/ 5.0
Scored 4.6/5 for its strong privacy guarantees, seamless cross‑platform support, and a straightforward paid model that funds continuous security updates.
Key Features
End‑to‑End Encryption
All messages, calls, and files are encrypted on the device and can only be read by the intended recipient.
Anonymous Usage
No phone number or email required; users are identified by a randomly generated Threema ID.
Cross‑Platform Sync
Chat history and contacts sync securely across iOS, Android, desktop, and web clients.
Secure File & Media Sharing
Send photos, videos, documents, and voice messages with the same level of encryption.
Group Chats & Voice Calls
Create encrypted group conversations and make high‑quality VoIP calls without compromising privacy.
Frequently Asked Questions
Threema requires a one‑time purchase for iOS or Android; the desktop and web clients are free after purchase.
Yes, Threema generates a random ID, so no phone number or email is needed to create an account.
Businesses can subscribe to Threema Work, starting at $5.00 per user per month, which adds admin controls and device management features.
Specifications
Pricing Model
One-time purchase per mobile platform (≈ $2.99 USD) with optional Threema Work subscription starting at $5.00 per user per month for business features.
Supported Platforms
iOSAndroidWindowsmacOSLinuxWeb browsers