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Price: Free, Premium subscriptions
Compatibility: iPhone, iPod touch and iPad. Requires iOS 5.0 or later.
Evernote remains a versatile, popular application available on different platforms. The app is generally used as a note-taker; allowing a user to create notes, to-do lists, capture photos, save and view webpages and record voice reminders.
Notes stored in your Evernote account are searchable no matter where your location -- and can synced across different devices, organized by different tags and shared via email or social media.
The app works well with Evernote Business, and can be securely locked with a PIN number if you purchase the premium version.
Via: Apple App Store