Reviewers largely see Perplexity as a fast, clean AI search tool that often replaces traditional search for research, learning, news, and everyday questions. The most repeated praise is source-backed answers, up-to-date web results, and concise summaries that save users from opening many tabs. People also like the minimal interface, mobile experience, voice features, and follow-up flow. The main caveat is reliability: several reviewers still report hallucinations, weak or missing citations, and context loss in long threads, while a few say ads and some deeper search features lag competitors.