Basically, S7 and S5 trackers offer GPS capabilities, 24/7 monitoring, and vehicle motion detection. S7 trackers are simple yet effective in monitoring a car. Plus, S7 trackers come at a comparatively lower price than S5. On the other hand, S5 trackers offer the features S7 trackers have and some advanced features including remote immobilisation. Unlike S7 trackers, S5 trackers must have a driver identification device.