Mars Globe App for iOS
'Take a tour of the mysterious Red Planet. This virtual globe combines a high-resolution satellite map with laser altimeter data and advanced topographic lighting to present the planet Mars as it appears from above. An Introduction and Guided Tour present some of Mars' most intriguing features. You can leave the guided tour and explore Mars as you like; over 1500 surface features have been annotated with information and links. Mars Globe is a must-have app for anyone interested in our solar system.'
This is a free app