It’s the ExploreMetro Christmas Sale! For the first time you can download any of our amazing iOS metro maps for just $0.99 each – that’s 50% off the usual price. The discounted price will be available until midnight on 31st December 2013. Planning a trip to any of our cities in mainland China? Grab a copy of Explore Shanghai, Explore Beijing and Explore Guangzhou. We also have apps for Explore Hong Kong, Explore Taipei, Explore Singapore and Explore Seoul.