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Viber
viber.com
What it is
Viber is a calling and messaging app for connecting through text, media, and voice or video calls. Its free core app covers messaging and calls between Viber users. Messages can contain photos, videos, files, voice messages, and video messages, and calls can include groups. Group chats allow up to 250 people; Communities have unlimited members, hide member phone numbers, and provide admin moderation controls. Community and channel admins can connect automated bots to help manage or interact with those spaces. Chats sync between mobile, tablet, and desktop, and users can transfer calls between devices. Activating Viber for Desktop requires an active Viber account on a mobile phone. Viber says one-on-one and group chats use end-to-end encryption by default, with keys stored on user devices. Privacy controls include disappearing messages, hidden chats, editing or deleting messages for everyone, and settings for online and delivery status. Viber Out supports calls to phone numbers outside Viber at destination-specific rates. Viber Plus offers an ad-free experience, privacy and customization features, and live chat support; its price is shown in the app.
Spec sheet
- What it does
- Viber is a calling and messaging app for messaging, voice and video calls, and other ways to connect.Read 3 Oct 2026 · viber.com
- Security
- Viber says one-on-one and group chats use end-to-end encryption by default, with encryption keys stored on user devices.Read 3 Oct 2026 · viber.com
- Support
- Viber says support is available 24/7, and Viber Plus includes live chat with support.Read 3 Oct 2026 · viber.com
- Headquarters
- Luxembourg, LuxembourgRead 28 Sep 2026 · viber.com
- Bots
- Community and channel admins can connect automated bots to help manage or interact with those spaces.Read 3 Oct 2026 · help.viber.com
- Calls
- Viber supports voice and video calls, including group calls.Read 3 Oct 2026 · viber.com
- Communities
- Communities support unlimited members, hidden member phone numbers, and admin moderation controls.Read 3 Oct 2026 · viber.com
- Desktop requirement
- Activating Viber for Desktop requires an active Viber account on a mobile phone.Read 3 Oct 2026 · viber.com
- Device sync
- Chats sync between mobile, tablet, and desktop, and users can transfer calls between devices.Read 3 Oct 2026 · viber.com
- Group size
- Viber group chats can have up to 250 people, while Communities can have unlimited members.Read 3 Oct 2026 · help.viber.com
- Messaging
- Users can send texts, photos, videos, files, voice messages, and video messages.Read 3 Oct 2026 · viber.com
- Privacy controls
- Features include disappearing messages, editing or deleting messages for everyone, hidden chats, and controls for online and delivery status.Read 3 Oct 2026 · viber.com
- Viber Out
- Viber Out lets users call domestic and international phone numbers that do not use Viber; the rate index lists destination-specific starting rates.Read 3 Oct 2026 · account.viber.com
Plans and prices
Viber core app Free Free messaging and calls to Viber users Read 3 Oct 2026 · viber.com
Viber Out Priced on request Prepaid credit or subscription; rates vary by destination Calls to landlines and mobile numbers, including people who do not use Viber Read 3 Oct 2026 · account.viber.com
Viber Plus Priced on request Monthly or annual subscription; price shown in the Viber Plus menu in the app Ad-free experience · privacy and customization features · live chat support Read 3 Oct 2026 · help.viber.com
Strong points and limits
Strong points
- Free calls and messaging between Viber users.
- Communities support unlimited members.
- Chats sync across mobile, tablet, and desktop.
- One-to-one and group chats use default end-to-end encryption.
- Disappearing messages and hidden chats are available.
Limits
- Group chats are limited to 250 people.
- Desktop activation requires an active mobile account.
- Viber Out rates vary by destination.
- Viber Plus price appears in the app.
Who it suits
Viber suits people who want messaging, voice and video calls, and large member communities across mobile and desktop. Desktop users need an active account on a mobile phone to activate the desktop app.
Verdict
Viber combines personal messaging and calling with larger moderated Communities and cross-device chat sync. Calls to people outside Viber and Viber Plus are separate offerings with pricing that varies or is shown in the app.
Where Specifiction places it
- Secure Messaging Apps#28 of 367.5
- Instant Messaging Software#24 of 307.5
