Tool profile
Signal
Fast, simple & secure messaging. Privacy that fits in your pocket.
What is Signal?
Signal is a communication tool built for users who prioritize privacy and security across iOS, Android, and Web platforms. Its standout capabilities include End-to-End Encryption, Open Source code transparency, and a User Privacy policy that does not store metadata about contacts, messages, or activity. Beyond text messaging, it supports voice calls, video calls, and file sharing for versatile day-to-day use.
Because the facts list the pricing tag strictly as Open source and do not detail formal pricing tiers, check their official resources for any current plan specifics. The platform is designed to collect minimal data and relies on transparent, auditable code to build user trust.
Features
End-to-End Encryption
Signal uses end-to-end encryption to ensure that only the sender and the recipient can read the messages. This makes it highly secure against eavesdropping.
Open Source
Signal's code is open source, allowing anyone to inspect, audit, and improve it. This transparency helps to build trust and ensure the security of the platform.
User Privacy
Signal is designed to collect minimal data from its users. It does not store metadata about contacts, messages, or user activity, thereby prioritizing user privacy.
Cross-Platform Availability
Signal is available on a variety of platforms including iOS, Android, and desktop, making it accessible to a broad range of users.
Multi-purpose Usage
Beyond just text messaging, Signal supports voice and video calls, as well as file sharing, making it a versatile communication tool.
Screenshots
Signal vs. its alternatives
| Signal |  Discord |  Element.io |  Tox |  Telegram | |
|---|---|---|---|---|---|
| Pricing | Open source | Open source | Open source, Free | Open source | Open source |
| Platforms | — | ||||
| Listed features | 5 | 8 | 6 | 5 | 8 |
Frequently asked questions
How much does Signal cost?
Signal's pricing is tagged as Open source in the provided facts. Check their official pricing page for any additional current plan details.
What is Signal used for?
Signal is a versatile communication tool used for text messaging, voice calls, video calls, and file sharing.
What platforms is Signal available on?
Signal is available on iOS, Android, and Web platforms.
How does Signal protect user privacy?
Signal uses End-to-End Encryption so only the sender and recipient can read messages, and it collects minimal data without storing metadata about contacts, messages, or user activity.
Is Signal's code open source?
Yes, Signal's code is open source, which allows anyone to inspect, audit, and improve the platform to ensure transparency and security.
What are the best alternatives to Signal?
Some known alternatives to Signal include Discord, Telegram, and Element.io. You might prefer these alternatives depending on your specific communication and platform requirements.
Alternatives to Signal
Read the full comparison →Discord
Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Element.io
Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
Tox
Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
Telegram
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Wire
Private & Secure Messenger
WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
