iDeco Pro is a comprehensive dive planner designed for technical divers, supporting both Open Circuit Diving and Closed Circuit Rebreathers (CCR). It features decompression stops, gas usage tracking, CNS and OTU monitoring, Surface Interval tracking, and more. The program implements the Buhlmann ZHL16/C with Erik Baker's GF algorithm.

For Open Circuit - Scuba divers, it supports various gas mixtures from Air to TriMix with unlimited decompression gases and Thirds support for dive planning. Closed Circuit (CCR) divers can utilize any O2/He/N2 combination for diluent, with automatic bailout plan generation and a Cave/Wreck bailout option.

Additionally, iDeco Pro includes a Gas Fill/Mixer feature for easy filling of Air, Nitrox, and Trimix. Users can configure settings through the iPhone Settings, and it supports both US Imperial and Metric units. iDeco Pro offers enhanced user experience, in-app settings modification, My Gases list, new runtime display, improved pressure support, and superior email support for dive plans.