CloudSix for Dropbox is a full featured and free client app for Dropbox.
CloudSix for Dropbox lets you bring all your photos, docs, and videos anywhere and share them easily. Access any file you save to your Dropbox from all your computers, phones and even the Dropbox website!
• Access all your photos, docs and videos from any device.
• Automatically save photos and videos to Dropbox when your phone is charging
• Share a link to even your biggest files — no more attachments!
• Add files to your “Favorites” for fast, offline viewing.
• Multi-accounts: access to your dropbox accounts without sign in/sign out
• Protect your files with a pin-code