Viber Kaios ((install))

If you need video calls , pick WhatsApp KaiOS. If you want a lighter app that uses less RAM and you don't need video, Viber KaiOS is excellent.

: Even on a feature phone, users can stay synced with Viber's desktop or tablet versions, provided they are logged into the same account. viber kaios

Select "Install" or "Download." The file is small, so installation should take less than 30 seconds on a 4G connection. If you need video calls , pick WhatsApp KaiOS

Network SMS delay or your carrier blocking shortcodes. Fix: If you need video calls

. Unlike WhatsApp, which had a dedicated native app for years before ending support in late 2024, Rakuten Viber never officially developed a client for the platform. Platform Mismatch