FlightTrack

FlightTrack's richly detailed maps are the most impressive of the lot. You get a full satellite view with weather radar data, and I really like that you can zoom in and scroll around the map with your finger.
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Photo by: Screenshot by Kent German/CNET / Caption by:

FlightView

Though the FlightView map shows weather radar data and the actual flight path, other details are lacking and you can't zoom.
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Photo by: Screenshot by Kent German/CNET / Caption by:

FlightWise Flight Tracker

FlightWise's maps are extremely minimalist and show only the outlines of land masses and unlabeled dots for cities. On the other hand, it details the actual flightpath down to the smallest course change.
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Photo by: Screenshot by Kent German/CNET / Caption by:

Flight Status

Powered by FlightView, the Flight Status maps are unremarkable.
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Photo by: Screenshot by Kent German/CNET / Caption by:

Flight Tracker Live

These bare-bones maps show only the present position of the flight instead of the full flight path. Still, you get useful information like the altitude, airspeed, and projected flight time.
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Photo by: Screenshot by Kent German/CNET / Caption by:
The Google Maps used by Flight Update won't show the plen's path in the sky, but they will denote its current position. You can zoom in, as well.
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Photo by: Screenshot by Kent German/CNET / Caption by:

Live Flight Tracker

The Live Flight Tracker map is simple, but it offers a lot of information. I like the progress bar at the bottom that shows flight time. You can't zoom in, though.
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Photo by: Screenshot by Kent German/CNET / Caption by:
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