Everything between the surface and 100 metres.
Plan the dive, pick the site, run the numbers. DiveTwin is a Bühlmann ZH-L16C planner, an atlas of dive sites, and a set of calculators — for every gas you breathe, from air to CCR trimix.
Depth
18 m
Gas
EAN32
Runtime
30 min
The planner
Build a profile in minutes. Trust it underwater.
Configure depth, time, gases, and equipment. DiveTwin generates a complete runtime with stops, gas consumption, and contingency plans you can export to your computer.
Depth
Up to 150 m, multi-segment.
Gas
Air, Nitrox, Trimix, diluent, bailout.
Decompression
Bühlmann ZH-L16C with GF.
Export
CSV, PDF, Shearwater.
Site Map 3D
From a sketch on a napkin to a 3D briefing.
Drop in a hand-drawn site map. DiveTwin reads the depths, places the pins, and renders the seabed in 3D — ready to share with your team before you splash.
- Upload — any photo or scan of a site sketch.
- Extract — AI reads pin depths and the north arrow; edit anything by hand.
- Share — send the 3D briefing as a single link — no account needed.
Dive sites
An atlas of dive sites, built into the planner.
84 sites across 39 countries — depths, typical conditions, and access notes, all linkable into a fresh dive plan.
- Cod Hole18 m
Great Barrier Reef · Australia
ReefBeginner - Andros Blue Holes30 m
Andros · Bahamas
CaveTechnical - Great Blue Hole40 m
Lighthouse Reef · Belize
WallAdvanced - Fernando de Noronha25 m
Atlantic · Brazil
ReefIntermediate - RMS Rhone25 m
Salt Island · British Virgin Islands
WreckIntermediate - Barkley Sound20 m
British Columbia · Canada
WallAdvanced
Your next dive starts dry.
Free for open water. Pro unlocks trimix and CCR.