What's New

- Increase accuracy.
- Fix bugs.

App Description

★★★Merry Christmas And Happy New Year!!★★★ ★★★StarTracker HD is out! Incredible fluid StarGazing experience at 60fps!★★★
★★★iPhone 4 exclusive! Retina display and build-in gyroscope enabled!★★★
It's so excited to introduce you the best 3D Compass app on iPhone4!
This is a virtual 3D compass with perfect application of virtual reality technology! Full utilization of the build-in gyroscope, digital compass and accelerometer drive the best user experience.

Features:
- With iPhone 4, the build-in gyroscope will be fully utilized and combined with the accelerometer to give you a full position sensitive experience.
- The 3D compass in a fantastic crystal ball will always point to True North or Magnetic North by your choice, no matter you rotate or position the phone in any direction.
- True North or Magnetic North switch button. (Note that True North is only available when your location is determined, if the icon is disabled, please wait a while for app to get your location)
- Orientation number display (between the small arrow and the True North/Magnetic North).
- Horizontal mode with dynamically zoom in effect when put down the phone horizontally.
- Smooth motion flow and quick response which is realized by cutting edge signal processing technique.
- Superb high quality graphic display by enabling the retina display of iPhone4 and full screen anti-aliasing technology employment.

IMPORTANT: 3D Compass for iPhone4 using the build-in gyroscope of iPhone4 and not support other models.

A wonderful experience you never had before !
Just Go and Enjoy it !

iPhone Screenshots

(click to enlarge)

3D Compass for iPhone4 (Gyroscope enabled) screenshot 1 3D Compass for iPhone4 (Gyroscope enabled) screenshot 2 3D Compass for iPhone4 (Gyroscope enabled) screenshot 3 3D Compass for iPhone4 (Gyroscope enabled) screenshot 4 3D Compass for iPhone4 (Gyroscope enabled) screenshot 5

App Changes

  • October 06, 2014 Price increase: $0.99 -> $1.99
  • October 04, 2014 Price decrease: $1.99 -> $0.99
  • May 17, 2014 Price increase: FREE! -> $1.99
  • May 15, 2014 Price decrease: $1.99 -> FREE!
  • April 26, 2014 Price increase: $0.99 -> $1.99
  • April 24, 2014 Price decrease: $1.99 -> $0.99
  • April 06, 2014 Price increase: $0.99 -> $1.99
  • April 03, 2014 Price decrease: $1.99 -> $0.99
  • March 15, 2014 Price increase: $0.99 -> $1.99
  • March 13, 2014 Price decrease: $1.99 -> $0.99
  • February 23, 2014 Price increase: FREE! -> $1.99
  • February 21, 2014 Price decrease: $1.99 -> FREE!
  • February 01, 2014 Price increase: $0.99 -> $1.99
  • January 30, 2014 Price decrease: $1.99 -> $0.99
  • January 13, 2014 Price increase: FREE! -> $1.99
  • January 11, 2014 Price decrease: $1.99 -> FREE!
  • December 18, 2013 Price increase: FREE! -> $1.99
  • December 16, 2013 Price decrease: $1.99 -> FREE!
  • December 09, 2013 Price increase: $0.99 -> $1.99
  • December 07, 2013 Price decrease: $1.99 -> $0.99
  • November 16, 2013 Price increase: FREE! -> $1.99
  • November 14, 2013 Price decrease: $1.99 -> FREE!
  • October 28, 2013 Price increase: $0.99 -> $1.99
  • October 26, 2013 Price decrease: $1.99 -> $0.99
  • October 06, 2013 Price increase: FREE! -> $1.99
  • October 05, 2013 Price decrease: $1.99 -> FREE!
  • September 16, 2013 Price increase: $0.99 -> $1.99
  • September 12, 2013 Price decrease: $1.99 -> $0.99
  • August 06, 2013 Price increase: $0.99 -> $1.99
  • August 04, 2013 Price decrease: $1.99 -> $0.99
  • July 15, 2013 Price increase: FREE! -> $1.99
  • July 12, 2013 Price decrease: $1.99 -> FREE!
  • June 01, 2013 Price increase: $0.99 -> $1.99
  • May 30, 2013 Price decrease: $1.99 -> $0.99
  • April 20, 2013 Price increase: $0.99 -> $1.99
  • April 18, 2013 Price decrease: $1.99 -> $0.99
  • March 30, 2013 Price increase: $0.99 -> $1.99
  • March 28, 2013 Price decrease: $1.99 -> $0.99
  • March 09, 2013 Price increase: $0.99 -> $1.99
  • March 07, 2013 Price decrease: $1.99 -> $0.99
  • February 16, 2013 Price increase: FREE! -> $1.99
  • February 14, 2013 Price decrease: $1.99 -> FREE!
  • January 26, 2013 Price increase: $0.99 -> $1.99
  • January 24, 2013 Price decrease: $1.99 -> $0.99
  • January 07, 2013 Price increase: FREE! -> $1.99
  • January 06, 2013 Price decrease: $1.99 -> FREE!
  • December 08, 2012 Price increase: $0.99 -> $1.99
  • December 06, 2012 Price decrease: $1.99 -> $0.99
  • November 19, 2012 Price increase: FREE! -> $1.99
  • November 16, 2012 Price decrease: $1.99 -> FREE!
  • October 27, 2012 Price increase: $0.99 -> $1.99
  • October 25, 2012 Price decrease: $1.99 -> $0.99
  • October 06, 2012 Price increase: $0.99 -> $1.99
  • October 05, 2012 Price decrease: $1.99 -> $0.99
  • September 15, 2012 Price increase: $0.99 -> $1.99
  • September 13, 2012 Price decrease: $1.99 -> $0.99
  • August 25, 2012 Price increase: FREE! -> $1.99
  • August 23, 2012 Price decrease: $1.99 -> FREE!
  • August 04, 2012 Price increase: $0.99 -> $1.99
  • August 02, 2012 Price decrease: $1.99 -> $0.99
  • July 14, 2012 Price increase: $0.99 -> $1.99
  • July 13, 2012 Price decrease: $1.99 -> $0.99
  • June 23, 2012 Price increase: $0.99 -> $1.99
  • June 21, 2012 Price decrease: $1.99 -> $0.99
  • June 02, 2012 Price increase: $0.99 -> $1.99
  • May 31, 2012 Price decrease: $1.99 -> $0.99
  • May 13, 2012 Price increase: $0.99 -> $1.99
  • May 10, 2012 Price decrease: $1.99 -> $0.99
  • April 21, 2012 Price increase: $0.99 -> $1.99
  • April 19, 2012 Price decrease: $1.99 -> $0.99
  • April 01, 2012 Price increase: $0.99 -> $1.99
  • March 30, 2012 Price decrease: $1.99 -> $0.99
  • March 10, 2012 Price increase: $0.99 -> $1.99
  • March 08, 2012 Price decrease: $1.99 -> $0.99
  • February 18, 2012 Price increase: $0.99 -> $1.99
  • February 16, 2012 Price decrease: $1.99 -> $0.99
  • January 28, 2012 Price increase: $0.99 -> $1.99
  • January 27, 2012 Price decrease: $1.99 -> $0.99
  • November 19, 2011 Price increase: $0.99 -> $1.99
  • November 18, 2011 Price decrease: $1.99 -> $0.99
  • October 29, 2011 Price increase: $0.99 -> $1.99
  • October 28, 2011 Price decrease: $1.99 -> $0.99
  • October 08, 2011 Price increase: $0.99 -> $1.99
  • October 07, 2011 Price decrease: $1.99 -> $0.99
  • September 18, 2011 Price increase: $0.99 -> $1.99
  • September 17, 2011 Price decrease: $1.99 -> $0.99
  • June 24, 2011 New version 1.2.1