PastoDeco© is a diving decompression planification app for both Technical and recreational dives.

Features:
Buhlmann deco models ZH-L16A, ZH-L16A or ZH-L16C with Erik baker's Gradient Factors
VPM/B and VPM/B-GFS deco models
Metric and Imperial units
Open circuit and CCR Rebreather closed circuit
Air, Nitrox, Trimix, Heliox, Helitrox, Heliair dives
Altitude dives
Multilevel dives
Repetitive dives with interval gas breathing gas and tissues off-gassing charts
Per-dive customizable parameters
Bailout profiles
Contingency backup profiles ( time / depth violations )
Step by step gas consumption traking and tanks volumes edit
CNS and OTU's tracking
Dive charts with interactive tissues load chart
Save dive projects
Screenshot, Copy to clipboard, or send by email RunTimes
Customizable last stop depth ( 3~9 meters or 10~feet )
Deep stops
Customizable SAC rate ( at ascent, descent, deco stops, CCR )
Customizables ascent / descent speeds
Customizables tank switch time ( OC, CCR to OC, leaving Trimix )
Customizables deco steps
Customizables setpoints depending of depth
Possibility to download Shearwater Predator, Petrel, Petrel2 dive Profiles ( with separate app Shearwater Downloader )

Available in: English, French, Italian, Spanish, Portuguese, Poland, German, Greek, Turkish, Chinese

If you want to try it, there is a free version of PastoDeco on Play Store

NOTE:
Having a PastoDeco Pro for Android let's you to purchase a PastoDeco Pro desktop ( Win or Mac ) for only 5,99€ instead of 19,90€.
Download desktop free version on http://pastodeco.antoniopastorelli.com and register to pro version ( inside the app ) providing Play Store order number and date.