Upon launching the app, you will be prompted to download Wikipedia onto your device. Every article will be available for you with no Internet connection required. It has been meticulously compressed (English is under 3GB) while maintaining all of the data in every single article. (Note that pictures and tables are not included, but can be downloaded from within the app). This download is fully resumable and hosted on high speed servers located around the world.
After that, you can download the latest version of the database in the app, or you can download additional languages. Please note that there is a nominal $0.99 fee to partially offset our costs to deliver such large files (we usually lose money on this).