Reviewers mostly praise HeyGen for making avatar videos fast and easy to produce, with realistic results, strong dubbing and translation, and clear time or cost savings for marketing, courses, and social content. Several users say the interface is simple and the avatars can look convincingly human, though some note flat voices, weaker photo-based avatars, repetitive delivery, or the need for careful scripting. The main tension is support and policy reliability: multiple users report slow or generic support, moderation delays, broken links, rejected videos, and confusing credits or plan changes.