Best New York City app EVER: Best Parking.
Type in your zip code (post code) you want to park in as well as your arrival and departure times. Voila! Parking lots with prices are displayed. WARNING: The differences in price will shock you!
The app even shows you discounts if you have a coupon and–wait for it–emails you the coupon upon request.
Now that is joined up thinking!
Tonight my parking fee went from $30 to $16! Woot Woot!