Stay Connected Privately and Securely with Signal Messenger
Signal Messenger offers end-to-end encryption for your messages and calls, ensuring your privacy and security.
Signal by Signal Messenger LLC is a secure and privacy-focused messaging application that prioritizes user data protection and encrypted communication. Designed as a cross-platform messaging platform, Signal offers users a private and secure way to send messages, make voice and video calls, share media, and communicate with contacts without compromising personal information or conversations.
One of the key features of Signal is its end-to-end encryption, which ensures that messages, calls, and shared media are encrypted from sender to recipient, preventing unauthorized access or interception of communication. Users can trust that their conversations remain private, secure, and inaccessible to third parties, ISPs, or service providers due to Signal's strong security protocols.
Signal provides users with options for secure voice and video calls with high-quality audio and visuals while maintaining end-to-end encryption for enhanced privacy and confidentiality. By offering encrypted voice and video communication channels, Signal enables users to connect with contacts in real-time while ensuring that their conversations remain protected and secure from eavesdropping or surveillance.
The software includes support for group messaging, allowing users to create secure group chats with multiple participants while maintaining encryption for all messages exchanged within the group. Users can collaborate, share information, discuss topics privately in group settings, and enjoy the benefits of encrypted communications in a shared environment through Signal's group messaging feature.
Signal offers additional features such as disappearing messages, read receipts, screen security options, and contact verification tools to enhance the user experience while maintaining privacy and security standards. Users can configure settings to control message retention, verify contact identities securely, receive confirmation on message delivery status, and safeguard communication on devices using additional security measures provided by Signal.
Signal by Signal Messenger LLC is a trusted messaging application that prioritizes data security, privacy protection, and encrypted communication for users seeking a private and secure messaging platform. With its end-to-end encryption, secure voice/video calls, group messaging capabilities, additional privacy features, and commitment to user confidentiality, Signal provides a reliable solution for individuals looking to communicate safely and securely in a digital environment.
Overview
Signal is a Open Source software in the category Communications developed by Signal Messenger LLC.
The users of our client application UpdateStar have checked Signal for updates 6,692 times during the last month.
The latest version of Signal is 7.53.0, released on 05/01/2025. It was initially added to our database on 11/04/2017. The most prevalent version is 7.48.0, which is used by 45% of all installations.
Signal runs on the following operating systems: Android/iOS/Windows/Mac. The download file has a size of 261.9MB.
Users of Signal gave it a rating of 4 out of 5 stars.
Pros
- End-to-end encryption for secure messaging
- Ability to send self-destructing messages for added privacy
- Support for voice and video calls
- Open-source software, allowing community verification of security measures
- Cross-platform support for smartphones and desktop
Cons
- Requires phone number for account creation, which may raise privacy concerns for some users
- Some users find the interface less intuitive compared to other messaging apps
- Not as widely used as other messaging apps, potentially limiting the number of contacts available on the platform
FAQ
What is Signal?
Signal is a messaging app developed by Signal Messenger LLC that provides end-to-end encryption for secure communication.
Is Signal free?
Yes, Signal is free to download and use.
What platforms is Signal available on?
Signal is available on iOS, Android, and desktop platforms (Mac, Windows, and Debian-based Linux distributions).
How does Signal ensure privacy and security?
Signal uses end-to-end encryption to ensure that messages and calls can only be seen or heard by the intended recipients. It also collects minimal user data and does not store message metadata or logs on its servers.
Does the Signal app store any of my messages or call logs?
No, Signal does not store any message metadata or call logs on its servers. All messages and calls are stored locally on your device.
Can I use Signal to make international calls?
Yes, you can use Signal to make international calls over Wi-Fi or cellular data. However, standard international calling rates may apply if you use cellular data.
Can I use Signal for group chats?
Yes, you can use Signal for group chats with up to 150 participants. Groups can be created and managed by any Signal user.
Can I use Signal for video calls?
Yes, Signal supports secure video calls for up to 8 participants.
Can I use Signal without sharing my phone number?
No, Signal requires a valid phone number to register and verify your account. However, your phone number is not shared with other users or stored on Signal's servers.
Does Signal have any known vulnerabilities?
Signal has been audited by security experts and is considered one of the most secure messaging apps available. However, like all software, it is not immune to vulnerabilities and users should always keep their app up-to-date.
Minh Ong
I'm Minh, a software engineer and author with a passion for exploring and writing about the latest in software and technology. With my experience in software development and a specialization in software updates and content creation, I bring a deep understanding of the tech landscape to my reviews and articles. My focus is on providing you with comprehensive insights into general software topics and the latest industry news.
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