Scuba Deco Planner

Serious deco planning — Bühlmann ZHL-16C + Gradient Factors, fully offline. Min gas, contingencies, underwater card, QR sharing. Plan in minutes, dive with confidence.

Deco Planner brings full Bühlmann ZHL-16C + Gradient Factors decompression planning to your pocket — fully offline, on the boat or off the grid.

PLAN — depth, time, gas and tanks in a few taps SAFETY — 13 automatic checks: gas shortage, O₂ toxicity (ppO₂/CNS/OTU), narcosis (END), gas density, exceeding M-values, ICD and more INSIGHT — see the ceiling, when deco begins, and tissue-pressure graphs CONTINGENCY — a ±6 m × ±10 min matrix with warnings, computed in advance UNDERWATER — a high-contrast slate card with TURN and MIN GAS oversized TEAM — share the whole plan as a QR code; any camera app can read it

Important: this app is for education and plan exploration. It is not a substitute for training or a dive computer. Always follow your agency's procedures and dive within your certification.