EarOn Pro

The app for EQ Tool, EQ Tool Pro and EQ Tool Pro V2. Train your equalization, record and analyse sessions with your instructor.

EarOn Pro is the official training companion for EQ Tool, EQ Tool Pro and EQ Tool Pro V2 — the devices designed to help spearfishers and freedivers master ear equalization. Equalization is one of the most important skills in freediving and spearfishing. Practicing it on land, in a controlled and measurable way, lets you reach deeper depths more safely and consistently. WITH EARON PRO YOU CAN: • Connect your EQ Tool, EQ Tool Pro or EQ Tool Pro V2 over Wi-Fi or Bluetooth • Run guided equalization exercises with real-time feedback • Record every session with detailed pressure and timing data • Review your performance through clear charts and analytics • Share your results with your instructor for personalised coaching • Annotate sessions with audio and video notes Whether you are starting out or refining advanced techniques, EarOn Pro gives you the tools to train smarter, monitor your progress and dive with greater awareness. EarOn Pro is designed for athletes 18+ and is not a medical device.