Google Play / communication / RAKUTEN VIBER MESSENGER
REVIEW
Viber is the messenger that won every market WhatsApp didn't notice.
Rakuten's chat app is huge across Eastern Europe, the Balkans, and pockets of Southeast Asia — and it does one thing WhatsApp still won't: let you call regular phone numbers cheaply.
BY THE APP COMRADE DESK · MAY 10, 2026 · 3 MIN READ
Rakuten Viber Messenger
VIBER MEDIA
OUR SCORE
6.9
GOOGLE PLAY
★ 4.1
PRICE
Free
In-app purchases
Viber is the messenger most Western tech writers forget exists and most of Eastern Europe opens before breakfast. Owned by Japan’s Rakuten, the app has spent the better part of a decade quietly holding network-effect monopolies in a string of markets — Ukraine, Belarus, Bulgaria, Greece, the Philippines — while the English-language tech press cycled between WhatsApp, Signal, and Telegram think-pieces.
The pitch is not novelty. It is the boring, durable thing that actually wins messengers: your contacts are there. On top of that, Viber offers two features that none of its better-known competitors do — a working credit-based system for calling regular phone numbers internationally (Viber Out), and a sticker economy that is genuinely woven into how people use the app rather than bolted on.
The honest review notes the tradeoffs. End-to-end encryption is on for one-to-one chats and one-to-one calls but not for Communities or group calls — Signal does better here, and WhatsApp arguably does too. The Android app carries more promotional surfaces (Discover tab, chat-list ads) than the privacy-first messengers. Performance on mid-range phones is fine but not best-in-class. Viber’s strength has never been Silicon Valley taste — it’s that your aunt in Sofia, your supplier in Manila, and your cousin in Kyiv all already have it open.
Viber's strength has never been Silicon Valley taste — it's that your aunt in Sofia, your supplier in Manila, and your cousin in Kyiv all already have it open.
FEATURES
Viber is a free messaging and calling app from Rakuten-owned Viber Media. The core feature set is the usual messenger checklist: one-to-one and group chats, voice and video calls, voice notes, file sharing, disappearing messages, reactions, and a sticker shop that is genuinely central to the product rather than an afterthought. Communities — Viber's take on broadcast channels — scale to very large group sizes and are where a lot of the app's Eastern European political and news activity actually happens.
End-to-end encryption is on by default for one-to-one chats, group chats, and one-to-one voice and video calls. The handshake uses a Signal-protocol derivative; Viber's own documentation is the canonical reference for the exact cryptographic details. Group calls and Communities are not end-to-end encrypted.
The paid product is Viber Out — credit-based calling to regular phone numbers, anywhere in the world, at per-minute rates that vary by destination. This is the feature that explains why Viber retained users in markets where international calling is still expensive. WhatsApp does not offer this; Signal does not offer this; Skype, the historical competitor, has been steadily wound down by Microsoft.
Free, with ads in the chat list and in the Discover tab. In-app purchases cover sticker packs and Viber Out credit.
MISSION ACCOMPLISHED
Regional reach is the entire pitch. In Ukraine, Belarus, Greece, Bulgaria, North Macedonia, the Philippines, and Myanmar — markets where the app hit critical mass early and never lost it — Viber is the default messenger the way WhatsApp is the default in India and Brazil. If your contacts are there, you install Viber; the network effect has already happened.
Viber Out is the one thing the WhatsApp-Signal-Telegram trio still doesn't replicate. Calling a landline in another country from your phone, billed in cents per minute against a prepaid balance, used to be Skype's job. Viber inherited it and kept it working. Diaspora communities and small-business users calling suppliers across borders are the load-bearing audience.
The sticker shop is more than decoration. Viber's sticker economy is a real product surface — branded packs, paid packs, animated packs — and the cultural register of how people use the app in its strongest markets is shaped by it.
ROOM TO IMPROVE
The Android app is heavier than it needs to be. Cold-start times on mid-range phones are slower than Signal or Telegram, the chat-list UI carries promoted content and Discover-tab clutter that the privacy-first messengers don't, and the settings tree is deeper than it should be for a chat app. The ad placements in the chat list specifically are a downgrade from the cleaner versions of the app from a few years ago.
Encryption coverage is uneven and worth understanding before you treat Viber as a privacy tool. One-to-one chats and one-to-one calls are end-to-end encrypted; Communities and group calls are not. Signal encrypts everything by default; WhatsApp encrypts group chats too. For sensitive communication, this matters — Viber is not the right tool, and it does not market itself as one.
CONCLUSION
Use Viber if your contacts use Viber — that is the only argument that matters for a messenger, and in much of Eastern Europe and Southeast Asia, it remains a strong one. Viber Out is a real reason to keep credit on the account if you call international landlines. For privacy-first chat, pick Signal. For a cleaner, lighter messenger with the same network in your country, WhatsApp is usually the answer. Viber's role in 2026 is regional and durable, not aspirational.