There are a number of GPS trackers offering similar features and services in the market. It gets a bit overwhelming when deciding which GPS tacking device to buy especially when you are new to this and there so many choices available.
This post discusses the subscription options offered by Trak-4 mobile GPS tracker and how it compares with others.
Trak-4 Mobile GPS Tracker offers 3 subscription options for its buyers to choose from. Each plan comes with a range of update frequencies ranging from 1 minute to 1 hour. Update frequency or ping rate is the time duration between two successive location updates the tracker reports while moving.