Communication app development

The safest way to work

Silent Circle is the leader in end-to-end enterprise solutions for secure mobile communications.

  • Unlimited encrypted voice, video, messaging, file sharing, and conference calling between your team's users.
  • Communicate privately with mobile and landline numbers from anywhere in the world with Silent World.
  • Deploy and manage secure communications across your organization using our trusted enterprise security features.

Secure messaging and file transfers

You can securely send messages, voice memos, documents, videos, images, and other files.

  • Messages you send are automatically deleted on all devices after the burn timer has expired. You can adjust the burn time between one minute and 90 days.
  • Situational awareness helps your team move faster. Silent Phone lets you know when your messages have been delivered and when they have been read.
  • Silent Phone makes it quick and easy to record and send a voice memo. These are great for sending quick thoughts when you're out and about. Voice memos provide a secure alternative to voicemail.

End-to-end encrypted voice, video, messaging, file transfer, and more

Your team's discussions are your business only. Silent Phone lets your team communicate remotely with complete security while being easy to deploy and use.

  • Silent Phone makes sure your conversations are 100% private and that you're connected only to your intended party. All encryption is done on device. No one can listen in.
  • Make secure calls with your existing iOS and Android devices. There are no special headsets or SIM cards. You don't need a single-purpose phone. With Silent Phone, no new hardware is required.
  • Keep the conversation going from anywhere in the world. Silent Phone delivers unlimited worldwide calling and messaging between your users with no hidden or additional fees from us.

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