Zalo

Zalo is the most popular instant messaging application in Vietnam, offering free text messaging, voice calls, video calls, and a comprehensive digital services ecosystem tailored for the Vietnamese market. The messaging platform supports one-on-one and group conversations with high-quality voice and video calls optimized for varying network conditions common in Southeast Asia. The sticker store features thousands of expressive stickers designed for Vietnamese cultural contexts and holidays. The Zalo OA official account platform enables businesses, media outlets, and public figures to broadcast messages and provide customer service to followers. The digital diary feature combines social posting with location-based content discovery. The payment integration enables peer-to-peer transfers and merchant payments through connected banking services. The multi-device synchronization keeps messages consistent across phones, tablets, and computers. Designed for Vietnamese users and businesses operating in Vietnam seeking a locally-optimized messaging and digital services platform.