The Deeper Sonar

Hello IDO friends, just wondering if anybody has used the Deeper Sonar and could post their thoughts about how well it works. Here’s a link for those that aren’t familiar with the product.

http://geekbeat.tv/deeper-smart-fishfinder-turns-your-phone-or-tablet-into-sport-sonar/

I could see shore fishermen tieng a tether to it and tossing it out to see depth contour and fish activity…just don’t fumble-finger that smartphone onto the rocks or in the drink.