what are the best used car apps?
['Used Car Search Pro. APPLE US:AAPL | ANDROID. Used Car Search Pro is the dark horse of car apps. ... ', 'CarMax. APPLE | ANDROID. ... ', 'Autotrader. APPLE | ANDROID. ... ', 'Edmunds. APPLE | ANDROID. ... ', 'Car Buying by Kelley Blue Book. APPLE | ANDROID. ... ', 'TrueCar. APPLE | ANDROID. ... ', 'Instamotor. APPLE | ANDROID. ... ', 'Cars.com. APPLE | ANDROID.']