A sonar on your phone - SonarPhone and it works with Navionics
$ 5.99 · 4.7 (229) · In stock
SP200 T-BOX Compatibility · Issue #1 · scherererer/SonarPhony · GitHub
Lowrance FishFinder and Sonar To Monitor or TV for large screens in Ice Huts and Boats! via Link App
Lucky WiFi Fish Finder for Android and iPhone/iPad
i-Marine Apps: Vexilar SonarPhone now on Navionics
This is how I set-up my Vexilar Sonar Phone T-BOX
Navionics Metstrade
WIFI Fishfinder Sonar IPHONE IPAD IOS Android Fish Finder Wireless range 50M
Wireless Sonar Sensor River Lake Sea Fish Finder - Banggood.com
Lucky WiFi Fish Finder for Android and iPhone/iPad
SonarPhone by Vexilar on the App Store
EchoZilla review, testing sonar function at high speed.
ACCESSORIES How I turn your smartphone into a sonar and fishfinder
SonarPhone by Vexilar - Apps on Google Play