Delivering the next generation ebooks, calculator and fitness tools.

Popular Apps

Bike Fast Fit Elite

Bike Fast Fit Elite

Using sophisticated video analysis, Bike Fast Fit Elite provides insight into your cycling movement and body position by building a dynamic wire frame model over dots placed on your body.

Bike Fast Fit

Bike Fast Fit

Capture a video clip, measure key riding position angles and distances using Bike Fast Fit's video analysis tools and find the ideal riding position that's both powerful and comfortable.

Home Builder Pro Calcs

Home Builder Pro Calcs

With over 200 DIY calculations and unit conversions, Home Builder Pro Calcs lets you quickly and easily solve a variety of home construction calculations from your iPhone or iPad.

Navy SEAL Physical Fitness Guide

Navy SEAL Physical Fitness Guide

Navy SEALs require an extraordinarily high level of total body physical fitness. This guide shares the Navy SEAL's secrets of physical fitness training.

Army Survival

Army Survival

The U.S. Army knows how to train their personnel to survive. Their field manual is the most authoritative guide on survival.

Boater's Pocket Reference

Boater's Pocket Reference

1,800 page of boating information on your iPhone or iPod Touch! The Boater’s Pocket Reference caters to all levels of boating expertise with 1,800 pages of illustrations, photos, charts and graphs. Boater’s Pocket Reference is a popular and useful printed book and the app is even better.

Navigation Rules

Navigation Rules

Navigation Rules contains a complete copy of the International Regulations for Preventing Collisions at Sea, 1972 (COLREGS), including amendments and the Inland Navigation Rules, in effect for all inland waters, including the Great Lakes.

Pilot Handbook

Pilot Handbook

The FAA's Pilot’s Handbook of Aeronautical Knowledge. This app provides knowledge that is essential for pilots, student pilots, and instructors.