Many developers start application design by starting with the database layout. They create a whole slew of tables, including complicated join tables.

This means that users can have all the same Python tutorials available on the iPad right from their pockets. With the iPhone version, Tinkerstellar also introduces a refreshed design.

News 9 Weather App Tutorials From David Payne Editor's note: News 9 Chief Meteorologist David Payne tells you about the latest in innovative technology - the News 9 weather app. Watch all five ...