DuckDuckGo Privacy Browser

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7/10 (Expert Score)
Product is rated as #35756 in category Apps

About Signal App

Signal is a messaging app that uses end-to-end encryption technology for secure communication. It was developed by the Signal Foundation and offers messaging, voice and video calls, file and photo sharing capabilities. It is available for free across all major platforms including iOS, Android, and desktop versions for macOS, Windows, and Linux.

Features of Signal App

Signal App offers a range of features for private conversations and secure communication:

End-to-End Encryption

Signal uses end-to-end encryption technology that ensures that only the sender and intended recipients can access the content of messages, calls, and files.

Disappearing Messages

Users can set self-destructing messages that automatically disappear after a set amount of time, ensuring more privacy and security.

Group Chats

Signal offers the option to create secure group chats with up to 1000 members, allowing for efficient communication while protecting the privacy of participants.

Voice and Video Calls

Signal allows users to make high-quality voice and video calls, including group calls, while ensuring end-to-end encryption and maintaining privacy.

File and Photo Sharing

Users can share files and photos with contacts securely within Signal, without having to worry about the content being intercepted by unauthorized third-parties.


Signal also offers an option to verify the identity of a contact using the safety number displayed in the app, ensuring that the user is communicating with the intended recipient.


Price: Free
File Size: 62.5 MB (iOS), 38 MB (Android)
Version: 5.18.1 (iOS), 5.18.4 (Android)
Supported Devices: iOS, Android, macOS, Windows, Linux

Pros and Cons of Signal App


  • End-to-end encryption for better privacy and security
  • Self-destructible messages for enhanced privacy
  • Verification of identities through safety numbers
  • User-friendly interface and easy to use
  • Available across all major platforms


  • Requires users to have a phone number to register
  • No integration with other communication platforms
  • No cloud backup for messages
  • No option to customize notification sounds


Overall, Signal App is a highly rated and recommended messaging app that provides end-to-end encryption for secure communication. It offers a wide range of features such as group chats, voice and video calls, and verification of identity for enhanced privacy and security. However, users are required to have a phone number to register, and the app does not have cloud backup for messages or an option to customize notification sounds.


Is Signal app Free to use?

Yes, Signal is a free app to use across all major platforms.

How does Signal App ensure privacy?

Signal uses end-to-end encryption technology to ensure that only the intended recipients can access the content of messages, calls, and files.

Does Signal keep records of messages and calls?

No, Signal does not keep records of messages or calls, and it does not have access to user content.

What devices can Signal App be used on?

Signal is available for iOS, Android, macOS, Windows, and Linux, ensuring accessibility across all major platforms.

Can Signal App integrate with other communication platforms?

No, Signal does not integrate with other communication platforms, as it is designed to provide secure and private communication.

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