Signal

7.2easy start · #5 of 43
in Encrypted Messaging Apps

Runs on Android, iOS, Linux, Mac, Windows.

Signal is ranked #5 of 43 in encrypted messaging apps on The Geeks Club. It runs on Android, iOS, Linux, macOS, Windows. There is a free plan.

Signal plans and pricing

Signal Free Free messaging and calling · mobile account required for desktop signal.org · 29 Sept 2026

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Product: Signal is a private messaging app for sending messages and making internet calls.
Messaging: Users can share text, voice messages, photos, videos, GIFs, and files for free.
Calls: Signal offers voice and video calls, including group calls.
Groups: Group chats support admins, permissions, and @mentions.
Phone number privacy: Users can connect with a unique username without sharing their phone number, though a phone number is still required to register.
Encryption: Signal says messages and calls are always end-to-end encrypted and cannot be accessed by Signal.
Privacy: Signal says it does not sell, rent, or monetize personal data or content.
Integrations: Signal's privacy policy names YouTube, Spotify, and Giphy as third-party services users may interact with in connection with Signal.
Platforms: Signal lists Android, iPhone and iPad, Windows, Mac, and Linux downloads.
Desktop requirement: Signal must first be installed on a phone to use the desktop app.
Support: Signal provides a Support Center with Getting Started, Features, Security, Troubleshooting, and General categories.
Funding: Signal says it is an independent 501(c)(3) nonprofit supported by grants and donations.
Age and registration: Signal's terms require users to be at least 13 and to register using a phone number, with local minimum age possibly higher.
Headquarters: Mountain View, California, United States
Price from: Free

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