Simple, reliable logs: track max depth, dive time, and surface intervals, temperature, descent/ascent speed, number of dives. Key Features: Live Depth and Time (Apple Watch 10 and later, Apple Watch Ultra all models). Custom units - Metric/Imperial. Quick Stats to show you total number of dives, max. depth, total dive time, and breakdown list with each dive in minutes and seconds, max. depth, max. descent/ascent speed and time stamp. Quick Glance UI with large, high‑contrast metrics. Works offline after start (no signal required underwater). One‑Time Unlock available via in‑app purchase for lifetime. Works best for pool training and open water dive session for beginners. Very simple to use and intuitive to get you started in the underwater adventures. Not for technical, commercial, or professional scuba diving. Always use proper training and backup instruments/tables. Never rely on a single device or app for critical dive information. Check local conditions and regulations before entering the water.