NSD Swimmer is an App designed to pair with NSD Swim, a precision Swim Training Aid, to serve and help swimmers, indoor and outdoor, become a PRO. The App works with smart phone to Log, Track and Analyze various factors of swimmers performance based on their weight and height. NSD Swim also features:
•Performs stationary resistance training
•Turns any small backyard pool into an endless pool
•Counts strokes, SWOLF score, and calories
•Displays time/distance/distance per stroke/average speed
•Provides video footage with play-by-play statistics
•Offers Day Log, Training, Challenge and Analysis - 4 Modes
•Verbally reminds swimmers of their remaining distance
•Compatible with Google Fit.

With this new invention, you are able to build a secret swim training base at your place!