Reviewers mostly praise Loops for being easy to set up, clean to use, and well suited to SaaS teams handling both transactional and marketing email. Common themes are a polished interface, smooth editing, straightforward onboarding, solid docs, responsive support, and a simple API that works well in developer workflows. Founders of and say setup was fast and useful for flows like drip sequences, welcome emails, and digests. Criticism is narrower: some want more advanced features, fewer editor bugs, and clearer industry vetting.