Which top 5 applications are the ones on your cellphone that you would advise me to have?

• 2Do: A feature-rich yet simple to-do app.
• Pocket: It lets you save online articles to your phone from your PC or mobile phone browser to read it later offline.
• Quora: As if I need to eloborate on this one!
• Documents: One of the best file managers available for iOS with built-in audio/video player, photo viewer and almost every type of document reader, the ability to share files with other apps as well as cloud storage services.
• Dropbox: Simple and clean cloud service.
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