WingX Pro7 for iPad/iPhone requires a $99.95 annual subscription or $199.95 three-year subscription (30-day Free Period option - not on iPad 1). Synthetic Vision requires a separate $99.95 annual subscription. Viewing your aircraft on an approach chart requires a $74.99 subscription. Fuel Prices (100LL.com) require a $29.95 subscription. Aviation Consumer (Feb 2013) "Five Top Apps - WingX Pro7 is a Standout"GPS Options iPad/iPhone internal GPS Dual XGPS150, XGPS170, or Bad Elf ADS-B ReceiverFeatures includes:GPS-Enabled Moving Map Track Up (not on iPad 1) Split Screen Technology ADS-B In-Flight Weather and Traffic - support for about 10 ADS-B receivers! Works with X-Plane and MS Flight Sim Ground Proximity Warning System (GPWS) - terrain and obstacles SmartTaxi - advanced taxi warning system FlightShare - share routes with others on the ground or in the air! Auto Airport Diagram (Auto APD) auto-switches to DP on take-off and APD on landing with user-configurable switching speeds VFR Sectionals and IFR low/high enroute charts with Legends Class B Transitions Search And Rescue Grids and Patterns (old/new format) - Parallel, Square, Sector, and Auto Fill Grid - supports MGRS Overlay terrain and obstacles (terrain up to 60N) Range Information - drag to see time/distance to point State Lines Aspen Connected Panel Zaon XRX Traffic Displays Class B, C, and D Airspaces, SUAs, and TFRs Airspace Notifications Passive RADAR Altimeter shows Terrain Elevation or Approximate AGL Terrain Profile View AHRS-driven Attitude Indicator (UDP) with caging! Moving Map Simulator Moving Map Brightness Rubber-Banding (use tap-n-hold) User-Defined Waypoints - e.g. SJC09015 or N37.5W119.56 Multi-Page Notepad with Undo Route CDI, ETEs, and ETAs Direct-To option Knots, MPH, km/h Show Military Frequencies and TACAN info Runway Extensions and Traffic PatternsA/FD and AOPA Directory Comprehensive A/FD includes Airports, NavAids, and Fixes VOT, TORA, TODA, LDA, ASDA, LAHSO AOPA Directory with Airport Diagrams Includes Bahamas and Puerto Rico Sunrise/Sunset timesApproach Charts SmartTaxi ChartTouch Technology to add approach chart waypoints Filter on All, ILS Only, GPS Only, or Six-Pack Print charts wirelessly Rotate DPs and STARs easily Draw on the approach chart to highlight frequencies, missed approach procedures etc.Wx Text Color-coded and decoded METARs, TAFs, winds/temps aloft Fast nearest airport, VOR, Fix search Includes Alaska and Hawaii Calculates METAR Density Altitude and Freezing LevelsWx Images NOAA weather images include Animated RADAR, Satellite, Icing, Wind, Flight Conditions, Weather Forecast, Prog Charts, Lightning, etc Includes Alaska and HawaiiRoute Planning Victor Airways and Jetways Drag points to reorder Waypoints automatically inserted in correct position Total and Longer Than Direct distances Flight Log shows Magnetic Headings, Groundspeed, ETE, Fuel Burn using winds aloft information Optimize Altitude for winds aloftDUATS Flight Plans and Weather Briefings using secure connection (optional) and are official and recorded by DUATS.com. Can be reused for fast filing File, Close, and Cancel flight plans Route and Area Weather Briefings Aircraft Manager for auto-fill Part 135 friendlyE6B Conversions Distance-Speed-Time Pressure/Density Altitude Winds Aloft Runway Winds IFR Climb Descent RateAirport Status Show Major Airport DelaysDocuments FARs including Parts 1, 43, 61, 91, 119, 121, 135, 137, 141, NTSB 830, 1552, and 1562 Parts of the AIM AC61-65E - Including Endorsements AC61-67C - Stall and Spin Awarenes Pilot/Controller Glossary Aeronautical ContractionsIntegrated Help System Built-in mini-manualNote: Continued use of GPS running in the background can dramatically decrease battery life.Follow us on twitter: mobilewingx