Android apps....

gvSIG Mini Maps
Many maps viewer. Location, share position, routes, searches, WMS, on/offline.
gvSIG Mini Maps allows you to browse and navigate with GPS a full set of free on/offline maps from your phone or tablet.

Google Earth
Explore the world from the palm of your hand with Google Earth.
Use Google Earth to fly around the planet with the swipe of a finger. Explore distant lands or reacquaint yourself with your childhood home. Search by voice for cities, places, and businesses. Browse layers including roads, borders, places, photos and more.

Latest Quakes
Get the latest earthquake information from all over the world. View the last 7 days of earthquakes in a list or on a map. Filter earthquakes by their magnitude, date and distance. See all the details of an earthquake: magnitude, date, time, location, distance, and depth. View the shaking intensity for major earthquakes.

Interactive geological mapping of the UK. iGeology is for anyone who wants to explore their local geology, at street-level scale, virtually anywhere in the UK. Amateur geologists, walkers and gardeners can look at what’s in their local area, to find out about the rocks at the surface (superficial deposits) or the bedrock beneath.

World Atlas
World atlas with over 260 countries and 230 capitals.

Test Your Geography
Learn the capitals of countries around the globe, US state capitals, or associate flags with their respective countries?

Geography Pro
Enjoy entertaining, and free quiz at your fingertips! Challenge yourself or share with friends. The multiple-choice quiz format is easy-to-use, fun and educational.

Map Game
This geography game help you learn the location of countries on the globe. It helps you know the names of different countries & their neighbours.

National Geographic
National Geographic is the application online to explore the world (not official National Geographic application)

Geography Natural Features 2
Glacier, Jungle, Headland, Erratic, Mountain, Waterfall. This entertaining and interactive game uses 50 inspiring photos to teach you the names of natural geographical features.

National Geographic World Map
A distinctive basemap that reflects National Geographic's cartographic design, typographic style, and map policies. Designed to be aesthetically pleasing, the National Geographic World Map is for users who want to display minimal data on a vibrant, highly detailed background.

World Geography Quiz
World Geography Quiz game will test your knowledge of the world's oceans, mountains, capital cities, lakes, rivers, deserts, and national landmarks.

iOS apps.....

Google Earth
Use Google Earth to fly around the planet with the swipe of a finger.

Students can see the latest earthquakes and get a push notification every time an earthquake is recorded

National Geographic World Atlas (£1.49)
National Geographic's world maps

World Customs and Cultures
Customs, cultural information, and facts on over 165 different countries.

UN Country Stats
Data visualization tool to compare key economic, social, environmental, trade, and area & population indicators for 216 countries and territories.

Living Earth - Clock and Weather (£1.99)
3D simulation of earth with global weather, forecasts and world clock for cities around the world. View live global cloud patterns, hurricanes and tropical storms.

Quakefeed Earthquake Map
Earthquake app

Atlas for iPad
World Atlas

Fotopedia Heritage
Created in cooperation with the UNESCO World Heritage Centre, Fotopedia Heritage provides a virtual passport to the hundreds of sites that constitute the world’s collective cultural and natural human legacy.

Graphical information system. Students can load, view, investigate, create and export their own data over a background of map service imagery.

iLearn Geography
An amalgamation of earths landmarks, brought to life by an intuitive user interface.

View, create, and share maps made with the MapBox suite of open source map-making tools.

Mission Antartica
Follow an Antarctic expedition and research program.

Stuck on Earth
Travel guide of the world

TapQuiz Maps World Edition
Interactive map of the world game

Interactive 3D app that lets students interact with country, region, and ocean outlines.

Interactive data visualization tool which provides access to the World Bank Open Data Catalog with over thousand global development indicators.

Interactive weather and radar map, providing current conditions and forecasts from Weather Underground’s network of 30,000 weather stations.