Below is the top 50 paid applications in the Navigation category(data is pulled from iTunes). We also have a list for the best free navigation iPhone apps.

• MotionX GPS Drive – MotionX™
• iExit – Allstays LLC
• MotionX GPS – MotionX™
• NAVIGON MyRegion U.S. East – NAVIGON AG
• NAVIGON MyRegion U.S. West – NAVIGON AG
• Geocaching – Groundspeak Inc.
• Where To? – GPS points of interest – FutureTap
• TomTom U.S.A. – TomTom International BV
• MapQuest Navigator – MapQuest
• iTrans NYC Subway – iTrans
• NAVIGON MyRegion U.S. Central – NAVIGON AG
• GPS Phone Tracker – Patrick Giudicelli
• City Maps 2Go – Ulmon Solutions
• Isle Royal National Park – Topo – Flytomap
• Black Hills National Forest (SD/WY) – Topo – Flytomap
• New York Subway – Presselite
• 高德导航 Autonavi Navigation – AutoNavi Information Technology Co. Ltd.
• Chicago Parking – Nick Capizzani
• Spyglass (AR tracker, compass, sextant, gps, maps) – Pavel Ahafonau
• Tide Graph – Brainware
• iHikeGPS – James Associates Inc.
• Where To Eat? Find restaurants using GPS. – Networking 2.0
• CityTransit – Official NYC Subway Maps – Magnetism Studios
• MobileNavigator North America – NAVIGON AG
• Walk Me To My Car – Mobility
• Spot A Cop – SpotACop.com LLC
• GPS-Compass – CLO Software
• G-Park – PosiMotion
• TomTom U.S. & Canada – TomTom International BV
• Traffic – CLO Software
• Theodolite – Hunter Research and Technology, LLC
• Friend Locator – S. MIZRAHI
• CTA Tracker – Livespark
• NextTrain DC Metro – AR – Adam Eisenman
• Maps Buddy – SpiceLoop
• Park'n Find – Affinicore, Inc.
• Compass – Piet Jonas
• VoxTrek turn by turn GPS navigation + text to speech directions + offline maps + speed camera spotter – Yannick Semail
• Pocket MUNI – Nozzy
• Tides – Mobile Geographics
• Marine: US East – Navionics
• NYC Subway 24-Hour KickMap – KICK Design
• onTime : LIRR – Mobileware Inc.
• National Park Maps – Cartosoft, LLC
• find a metro dc – jrbapps
• Exit Strategy NYC Subway Map – JWeg Ventures LLC
• Elevation Pro – Precognitive Research, LLC
• Open WiFi Spots – Free Wi-Fi Finder – Ombros Brands Inc.
• Compass Go – Tommy Westerberg
• Where To Go? Find Points of Interest using GPS. – Networking 2.0