We tested both to see which one you should use if you had to choose just one.
Overall Findings
Official apps on all major devices and operating systems.
End-to-end encryption of communications.
Doesnt collect sensitive user and gear data.
A lot of your contacts wont be on Signal.
Support for all major operating systems and devices.
End-to-end encryption for communications.
Sends some user and machine data to Meta.
Most of your contacts will already be on WhatsApp.
Added functionality with business and social features.
Signal and WhatsApp provide solid end-to-end encryption for both phone calls and messages.
They each also support all major smartphone and computer operating systems.
gadget Support: Both Have Apps for Most Major Platforms
Support for Android smartphones and tablets.
Has apps for iPhone and iPad.
Windows and Mac Signal apps available.
Signal has a Linux app while WhatsApp doesnt.
Supports Android tablets and smartphones.
Apps for Mac and Windows WhatsApp.
Official app for iPhone not iPad.
Can be used in a web net internet ride.
Signal and WhatsApp each have impressive support for platforms and devices.
Both services have official apps for Mac and Windows PCs, Android tablets and smartphones, and iPhones.
The support isnt equal, though, as Signal has an official iPad and Linux app while WhatsApp doesnt.
Popularity: Way More People Use WhatsApp Than Signal
More than 40 million active users.
Most of your friends arent on Signal.
Youll need to convince friends to use Signal.
More than 2 billion active users.
Most people already use WhatsApp.
Many businesses are also on WhatsApp.
Security: Signal Is the Choice for the Security-Concerned
End-to-end encryption for all messages and calls.
Signal collects no sensitive data on users.
Signals call-relay hides a callers IP address.
All calls and messages are end-to-end encrypted.
WhatsApp sends some user data to Facebook.
Messages can be set to self-destruct.
WhatsApp calls can be protected by relaying them through their servers.
Signal takes security more seriously than WhatsApp by not collecting sensitive user data.
Officially, Meta only collects this information to improve the WhatsApp user experience.
If youre concerned about your privacy, you may want to keep this data collection in mind.
Features: WhatsApp Has More Social and Business Tools
Voice and video calls.
Text messages with GIFs and media.
Group chats support 1,000 people.
Unsend and edit texts from the last 24 hours.
Text messages with GIFs and other media.
Group chats support 1024 participants.
Unsend texts from the last two days; edit texts from the last 15 minutes.
Meta AI image generation.
Signal and WhatsApp are relatively equal in phone call and messaging functionality.
WhatsApp also has a channels feature that lets users create and follow feeds similar toTelegramschannels.
Signal is a solid app for communicating with your security-conscious friends who already have the app installed.
