I recently tested Heap Analytics, a product analytics tool that shines with automatic event tracking. Here is my detailed review based on practical usage and research: Heap Analytics impressed me right away by capturing every user click, tap, and interaction without manual tagging. I installed it on a test web app, and within minutes, I had full session replays and funnel insights flowing in real-time. No more guessing user behavior; it just works across web and mobile. The AI-powered analysis stood out during my week-long trial. It auto-suggests drop-off fixes and trends I would have missed, saving hours of setup. The dashboard feels intuitive, with clean visualizations for retention and cohorts. Integrations with tools like Slack kept my team looped in effortlessly. For growing teams, features like custom charts and data export are solid. Pricing starts free but scales with usage, which fits startups well. My one gripe: the free tier limits data volume, pushing upgrades sooner than expected.