SociAtlas

WhatsApp vs Signal

Detailed comparison between WhatsApp and Signal. Find out which application is better suited for your social needs.

WhatsApp: App Details

WhatsApp provides private messages, group chats, voice and video calls, status updates, communities, channels, and file sharing across supported devices.

Platforms
Windows, Android, macOS, Web, iOS
Pricing details
WhatsApp Messenger's core service can currently be used without a required subscription. Optional purchases, connected services, data charges, or regional offers may still apply; confirm the official checkout before paying.

Pros

  • End-to-end encryption for personal messages and calls by default
  • Messages, groups, voice calls, video calls, and file sharing
  • Works across phones and supported linked devices
  • Includes blocking, reporting, privacy, and two-step verification controls

Cons

  • Account setup is centered on a phone number
  • Backups and business conversations can have different privacy considerations
  • Its popularity makes it a frequent target for impersonation and payment scams

Safety Features

  • End-to-end encryption
  • Two-step verification
  • Block and report
  • Disappearing messages

Signal: App Details

Signal is a private messaging app with end-to-end encrypted texts, voice and video calls, groups, usernames, disappearing messages, stories, and linked desktop apps.

Platforms
Windows, Android, macOS, iOS
Pricing details
Core messaging, calls, groups, and the free Secure Backups tier cost nothing; optional donations and a paid Secure Backups media tier are available, with store pricing subject to change.

Pros

  • End-to-end encryption is enabled by default for messages, calls, groups, and shared media
  • Independent nonprofit model without advertising or monetizing personal communication
  • Usernames and phone-number privacy controls reduce the need to reveal a number to new contacts
  • Official mobile and desktop apps support messaging, groups, voice calls, and video calls
  • Open-source clients and published protocol documentation enable external technical scrutiny

Cons

  • A phone number is still required when registering a Signal account
  • The app is less useful when the people you need to contact do not use Signal
  • Encryption cannot stop recipients from copying, recording, or misusing received content
  • Secure Backups require careful recovery-key storage and full media history is a paid option
  • Compromised devices, phishing, impersonation, and unsafe links remain outside encryption's protection

Safety Features

  • End-to-end encryption by default
  • Safety number verification
  • Signal PIN and registration lock
  • Phone-number privacy controls
  • Disappearing messages
  • View-once media
  • Blocking and reporting
  • Linked-device review
Feature
WhatsApp
Signal
Core Features
Disappearing Messages
End-to-End Encryption
File Sharing
Group Chats
Messaging
Message Reactions
Screen Sharing
Stickers & GIFs
Stories
In-App Video Chat
Voice Chat
Voice Messages
Platforms
Android
iOS (iPhone/iPad)
macOS (Mac)
Web Browser
Windows (PC)
Details
Pricing
Free
Freemium
Minimum Service Age
13+
13+
Rating
4.6/5
4.5/5

Which one is better?

Choose WhatsApp if...

  • End-to-end encryption for personal messages and calls by default
  • Messages, groups, voice calls, video calls, and file sharing
  • Works across phones and supported linked devices
  • Includes blocking, reporting, privacy, and two-step verification controls
Read WhatsApp review

Choose Signal if...

  • End-to-end encryption is enabled by default for messages, calls, groups, and shared media
  • Independent nonprofit model without advertising or monetizing personal communication
  • Usernames and phone-number privacy controls reduce the need to reveal a number to new contacts
  • Official mobile and desktop apps support messaging, groups, voice calls, and video calls
  • Open-source clients and published protocol documentation enable external technical scrutiny
Read Signal review