PMY - Power&Motoryacht

$2.99; www.chronglobal.com

Now you can use your smartphone or tablet device to check the local tide. Available for iPhones, iPads, and the Android operating system, ChronGlobal’s Tidal Chronoscope HD app uses the gps on a smartphone or tablet to deliver timely tide predictions from more than 9,400 worldwide tidal-reporting stations. It also lets users add custom reporting stations. The app is based on the same technology used in Krieger tide-predicting watches.