Facebook Messenger vs Viber
Side-by-side comparison of features, pricing, ratings, and alternatives.
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.
Viber lets users send instant messages, share media, and make voice or video calls worldwide over data or Wi‑Fi. It offers end‑to‑end encryption for private conversations and a rich sticker store for expressive chats. The service works on smartphones, tablets, and desktops, syncing contacts and chat history across devices, and includes group chat tools and public accounts for businesses and creators.
- Easy to use and navigate
- Offers end-to-end encryption for secure messaging
- Allows for file sharing and group chats
- Available on multiple platforms
- Free core messaging and calling
- End‑to‑end encryption for privacy
- Large user base and cross‑platform support
- Rich sticker and media sharing features
- May have ads and sponsored content
- Requires a Facebook account to use
- May have limitations on free features
- Calls to non‑Viber numbers require paid credits
- Limited integration with third‑party business tools
- Desktop app can be resource‑heavy on older machines
More alternatives & similar tools
Alternatives to Facebook Messenger
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Alternatives to Viber
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The Verdict
AI-generated from listing dataFacebook Messenger is completely free but limited to Facebook users and lacks an API; Viber adds a freemium model with richer calling, admin controls, and an API at the cost of occasional paid credits.
Key differences
- •Viber offers an API for integration, Messenger does not.
- •Viber supports video calls with up to 20 participants; Messenger’s video call capacity isn’t specified.
- •Viber includes a sticker marketplace and admin controls for group chats; Messenger’s stickers are limited to GIFs/emojis.
- •Calls to non‑Viber numbers require paid credits in Viber; Messenger only provides free messaging and calls between users.
Pricing & value
Messenger is entirely free; Viber is freemium and may incur costs for calls to non‑Viber numbers.
Ease of use / learning curve
Viber works without a separate social account, while Messenger requires a Facebook account.
Features & depth
Viber adds multi‑person video (20), sticker marketplace, and admin controls; Messenger’s feature list is less detailed.
Integrations & ecosystem
Viber provides an API; Messenger has no API.
Collaboration
Both support group chats up to 250 members and file sharing.
Support
Viber offers email and live chat; Messenger only offers email and a help center.
Security & privacy
Both provide end‑to‑end encryption for private chats.
Choose Facebook Messenger if…
Individuals who want completely free messaging and already use Facebook.
Choose Viber if…
Users needing API access, richer video/group features, or business‑oriented admin controls.
Common questions
Is there any cost to use either app?
Messenger is free; Viber is free for core messaging but charges credits for calls to non‑Viber numbers.
Can I integrate the messaging platform with other software?
Viber offers an API; Messenger does not provide an API.
Do both apps support end‑to‑end encryption?
Yes, both Messenger and Viber encrypt one‑to‑one chats by default.