Signal vs Facebook Messenger
Side-by-side comparison of features, pricing, ratings, and alternatives.
Signal is a nonprofit messaging app focused on privacy, with end-to-end encryption for all messages and calls by default and minimal metadata collection. It is the recommended choice for private communication.
Facebook Messenger is a messaging platform that allows individuals and groups to communicate privately. It offers a range of features, including messaging, voice and video calls, and file sharing.
Free and open source, funded by donations.
- Best-in-class privacy
- E2E encryption by default
- Open source
- Free, no ads
- Easy to use and navigate
- Offers end-to-end encryption for secure messaging
- Allows for file sharing and group chats
- Available on multiple platforms
- Requires phone number
- Smaller network than WhatsApp
- Fewer bells and whistles
- May have ads and sponsored content
- Requires a Facebook account to use
- May have limitations on free features
What reviewers say
Signal Reviews
4.8 (4)Great messaging
Tried Signal recently. Free, no ads. Minor gripe: fewer bells and whistles. Would recommend.
Solid choice
We rolled out Signal last quarter. Free, no ads. No real complaints. Would recommend.
Solid choice
We rolled out Signal last quarter. Best-in-class privacy. No real complaints. Would recommend.
Facebook Messenger Reviews
No reviews yet.
More alternatives & similar tools
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The Verdict
AI-generated from listing dataSignal offers best‑in‑class privacy with free, open‑source, end‑to‑end encryption; Messenger trades privacy for broader features and a larger user base.
Key differences
- •Signal is open source and nonprofit; Messenger is proprietary and owned by Facebook.
- •Signal requires only a phone number; Messenger requires a Facebook account.
- •Signal provides minimal metadata collection; Messenger may include ads and sponsored content.
- •Signal’s network is smaller than Messenger’s global user base.
- •Signal offers encrypted voice/video calls; Messenger also offers calls but with less privacy guarantees.
Pricing & value
Signal is completely free and donation‑funded; Messenger is free but tied to Facebook’s ad‑supported ecosystem.
Ease of use / learning curve
Messenger integrates with existing Facebook accounts and offers familiar UI, stickers, GIFs; Signal has a simpler UI but requires phone number onboarding.
Features & depth
Messenger supports group chats up to 250, file sharing, stickers, GIFs, and web access; Signal focuses on core messaging and calls.
Integrations & ecosystem
Messenger works within Facebook’s social platform and web; Signal has no listed integrations.
Collaboration
Messenger allows large groups (250) and rich media sharing; Signal supports smaller groups with fewer collaboration tools.
Scalability
Messenger’s user base is global and massive; Signal’s network is smaller.
Support
Messenger offers email and Help Center support; Signal provides no specified support options.
Security & privacy
Signal uses default end‑to‑end encryption and minimal metadata; Messenger’s encryption is optional and may involve ads.
Migration / lock‑in
Signal is open source with API access, easing data export; Messenger ties users to Facebook accounts.
Choose Signal if…
Privacy‑focused individuals who need strong encryption and no ads.
Choose Facebook Messenger if…
Users who prioritize feature richness, large group chats, and integration with Facebook.
Common questions
Is there any cost to use either app?
Signal is free and donation‑funded; Messenger is free but tied to Facebook’s ad‑supported model.
Which app offers stronger privacy guarantees?
Signal provides default end‑to‑end encryption and minimal metadata collection, whereas Messenger’s encryption is optional and it may serve ads.
Do I need an existing account to sign up?
Signal requires only a phone number; Messenger requires a Facebook account.