ShalloWeDive

Track your depth at a glance — right on your wrist, right underwater. ShalloWeDive is a real-time depth tracker built for shallow water — down to about 6 meters — using the Apple Watch depth sensor, with an iPhone companion for your dive logbook and dry-land breath-hold training. Snorkeling, freediving, spearfishing, or a mermaid set: see your depth, water temperature, heart rate, and dive time the moment you go under. No phone signal, no internet, no subscription — just your wrist and the water. Color-coded safety zones change as you descend — safe (teal), caution (yellow), danger (orange) — so you always know where you are without looking away from the water. New: How Far You Actually Swam Dynamic apnea is scored in distance, yet no dive computer measures it. Now your wrist does: the wall turns of a pool swim are counted from the watch's motion, and the rest screen shows the swim's distance — turns times the pool length plus the last partial length — marked "~" as the estimate it is. Correct it on your phone; the original stays beside your correction. The Clocks a Dive Computer Has — On Your Wrist, and Your Buddy's Static, dynamic, tables, interval, stopwatch and surface interval, all on the watch, all staying lit through Water Lock and wrist-down: - Static: taps before, at and after your target; the hold starts when your wrist goes under and ends on the Action button — or when your wrist comes out - Dynamic: the swim ends when you surface and the rest counts from that instant — shrinking-rest CO₂ sets or fixed-interval departures - Your phone's tables, run in the water: each hold a target, each rest from the moment you came up - As breath-holder or buddy: one program, timed by the water on one wrist and by a tap on the other; the phone shows both records side by side Breath-hold in water is done only with a trained buddy watching, never alone. Train Your Breath-Hold — On Dry Land The iPhone companion also coaches classic apnea tables, no watch required: - CO₂ table, O₂ table, or a single static hold — or build a table of your own - Every round runs a recovery first, then the hold, so you always start rested - Voice announcements pace each phase, even with the phone locked - Every session is recorded, round by round Dive Under Your Own Discipline Choose your discipline before the session and the watch applies its timing: Freedive — one deliberate descent per surfacing, with a surface rest timer between dives; Mermaid — a rehearsal set of short, shallow immersions inside a fixed window, with targets for depth, bottom time, and dive count. On Your Watch - Real-time depth and water temperature from the built-in depth sensor - Heart rate monitoring during every dive - Multi-dive session tracking with automatic dive counting - Descent and ascent times for every dive within the sensor's range - A dive logbook on your watch, saved between sessions The iPhone Companion Review your whole logbook on a bigger screen: - Dives group into outings, with search by site, buddy, tag, or note - Add the dive site, buddy, gear, notes, and a personal rating - Dives sync from your watch automatically — or all at once, on demand Your watch and iPhone connect directly, on-device — no account, no server, and your logbook never leaves your devices. Beyond the Measurement Range The depth sensor is built for about 6 meters. Past that, "No Limit" mode silences the depth alerts and shows a calm "beyond range" readout — and the logbook records the dive honestly as "6 m+", with no invented maximum or split. Private by Design All data stays on your devices. No account. No server. No tracking. No ads. Diving requires an Apple Watch with a depth sensor (Ultra, Ultra 2, Series 10, or later); breath-hold training runs on any iPhone. The two sync directly, no internet needed. ShalloWeDive is a reference tool. It does not replace certified equipment, proper training, or safe diving practices. Always dive within your personal limits.