Reviewers largely see Arc as a fresh, highly usable browser built around organization: spaces, vertical tabs, split view, profiles, shortcuts, and cross-device sync repeatedly help people manage heavy tab loads and separate work from personal browsing. Many say the interface feels cleaner and more thoughtful than Chrome or Safari, though several note a learning curve. The main complaints are performance and compatibility, especially CPU and memory use, some Windows rough edges, missing or awkward bookmark behavior, extension or site-specific issues, and uncertainty about Arc’s future pace of development.