Signal for Windows, macOS, Linux, iOS and Android

Features & Limitations

+	End-to-End Encryption	Encrypts text messages, voice calls, and video calls so that only the sender and the intended recipient can access the content
+	Disappearing Messages	Allows users to set a timer for messages so that they are automatically deleted after a defined period, helping manage conversation history
+	Group Chats	Enables creation of group conversations and supports multiple participants along with tools for group management
+	Screen Security	Includes a function that stops external programs from capturing what is displayed on the screen, reducing the chance of content being copied from the device’s display
+	Voice Calls	Provides the ability to make one-on-one or group voice calls, facilitating real-time audio communication between users
+	Video Calls	Offers one-on-one or group video calls to allow live visual interaction between participants
+	Message Reactions	Permits users to respond to a received message with a small visual icon, letting them acknowledge or indicate a response quickly
+	Note-to-Self Chat	Provides a private conversation where users can send messages to themselves to store reminders or personal notes
+	Reply to Specific Message	Allows users to reply directly to an individual message within a conversation to maintain context in discussions

...14 more features/limitations. Contact us to get a complete list of features and system requirements.

Version

🡪

ANDROID

#	Minimum
1	Android 5.0 or later
2	Android tablets are not supported.

IOS

#	Minimum
1	iOS 15 or later

IPAD

#	Minimum
1	iPadOS 15 or later
2	You can link the iPad to your phone Chat history is not transferred from the phone iPad can be used as a separate device, if you can receive SMS (not iMessage) or phone calls to that number

DESKTOP

#	Minimum
1	Windows 10 and 11 macOS 11 (Big Sur) and above Linux 64-bit distributions supporting APT, like Ubuntu or Debian
2	You need a mobile device to use Signal. Signal Desktop must be linked with either Signal Android or Signal iOS to send and receive messages.

4.60

5

Java, Kotlin, Swift, Objective-C, JavaScript ( Electron ), React, TypeScript, Gradle, PostgreSQL config

2014-07-29