"Diary" app can manage two or more diaries for the person who is writing the diary distinguishably by the purpose such as "Travel", "Day book", and "Observation diary".

'Main features'
・Two or more diaries can be managed.
・Each diary can be locked by the passcode.
・The wallpaper of each diary (background image) can be set.
・Retrieval by a tag or a keyword
・The inspection ability (all diaries) to cross each diary is offered.
・"Table List" or "Flow Cover" can be selected as the main screen.
・Petit Twitter client

'Operation to an episode'
・Attachable two or more photographs.
・Recordable the location information.
・Providing the simple ability to manage the revenue and expenditure.
・The content is transmitted with an email. (The photograph is reduced to the size of about 300x400 and transmitted.)

First of all you should read the manual shown when you tap the button at the right upper corner on the navigation bar in the information screen.
You should also make sure of the settings in Diary app with Setting app.