Reviewers largely see WhatsApp as the default everyday messenger: simple, reliable, easy for text, voice, video, groups, file sharing, and web or cross-device use. Many rely on it because everyone around them is already there, and some use it heavily for team updates, business networking, and customer communication; the maker of says customers usually prefer WhatsApp for direct contact. Complaints center on buggy desktop and calling experiences, spam, backup and syncing friction, limited customization, phone-number dependence, and privacy concerns tied to Meta.