In my opinion Cool New York is one of the best New York City guides available for iPhones/iPads.
Wonderful photos with excellently researched reviews and – very important – an offline map to find everything, even when you are not online!
It’s absolutely worth the money.
Overview of the functions:
• Around Me GPS Locator
• Offline map available for download (in the “about” section)
• City Info with the most important addresses, websites, and phone numbers
• Explore by District or by Category
• Visual Tour
• Create your own tour
• Extended Picture Gallery for all Locations
• Direct Links to all Locations
• Share content via Facebook or Twitter
• Frequent Updates
If this link doesn’t work in your country – search for “Cool New York” in iTunes!