Double Dog Studios

Navigation Rules Pro

Paid

Navigation Rules Pro has everything in our popular Navigation Rules app plus an additional 100 pages of content.

Grenade Machine Gun for iPhone

Paid

Get a training manual for different gun on your iPhone.

Navigation Rules

Paid

Navigation Rules contains a complete copy of the International Regulations for Preventing Collisions at Sea, 1972 (COLREGS), including amendments...

Army Survival for iPad/iPhone

Paid

The U.S.Army knows how to train their personnel to survive.

Army Ranger Handbook

Paid

The ultimate resource for anyone who wants to know how Rangers think and work.

Boater's Pocket Reference

Paid

Hundreds of pages of boating information on your iPhone, iPod Touch or iPad.

Instrument Flying Handbook

Paid

Instrument Flying Handbook is the primary reference text for the Instrument Rating FAA Knowledge Exam and includes hundreds of pages of content.

Ship Captain's Medical Guide

Paid

Ever wonder what happens if you eye pops out of its socket?

Bike Fast Fit

Paid

Overall, this app is pretty cool.

Pilot Handbook

Paid

Pilot Handbook App presents the information from the The Pilot's Handbook of Aeronautical Knowledge in a format optimized for your iPhone/iPad.

Navy SEAL Fitness

Paid

Navy SEALs require an extraordinarily high level muscular strength, flexibility and cardiovascular fitness to carry out assigned missions.

Seamanship

Paid

Information and procedures every boater needs to know.

Home Improvement Calcs

Paid

You asked for more calculators and we've added them.

Pilot Calcs

Paid

With over 130 calculations and unit conversions, Pilot Calcs gives you access to quickly and easily solve a variety of calculations from your...

Airplane Flying Handbook

Paid

Airplane Flying Handbook is the official FAA source for learning to fly and the source for many FAA Knowledge Exams test questions.

Home Builder Pro Calcs

Paid

Love this app makes my job much easier.

Bike Fast Fit Elite

Free

Comprehensive Cycling Fitting Tool for iPhone