Reviewers see Brizzy as a simple, calming breathing app that removes friction: people like opening it in the browser with no install or signup and starting a session almost immediately. They repeatedly praise the cute, polished design, clear interface, gentle voice guidance, and short sessions that fit between calls, at a desk, before sleep, or when stress spikes. Several say guided techniques like box breathing, 4-7-8, and Wim Hof feel effective within minutes. Feedback is overwhelmingly positive, with no meaningful user complaints in the reviews provided.