Tides, offline
High and low water, the curve and the tidal window for 5,900 ports, with alerts before HW and LW. Checked against NOAA: median 0.3 minutes and 1 mm.
Bridge checklists
35 checklists and 386 points, each with a short how-to. Swipe right for done, left to postpone.
GMDSS
Distress, received alerts and false alerts, one decision at a time, with your ship's MAYDAY ready to read out.
Vessel identifier
Tap the lights you see: the vessel, her heading and what to do, with the COLREG rule.
Celestial and more
Sky, almanac and sight reduction; ETA; rest hours with an inspection PDF; compass error; true wind; air draft; a private journal.
Yours, and only yours
No account, no ads, no tracking. Your data lives on your phone and in your own iCloud, synced across your iPhones. English, Ukrainian and Russian.
GMDSS, the vessel identifier and ETA are free, and every other tool has a free part. Try everything free for 7 days — no charge, nothing renews — then buy only the tools you use, or all of them once. No subscription.
Bridge Con helps the watch. It does not replace the ship's SMS, official charts, tide tables and publications, or the Master's orders.