
If your primary email account is Gmail, you do not have to look for any other email accounts, the Gmail for iOS is very good email app for Gmail and Google Apps. You can save the documents from email attachments to cloud services like Dropbox, Box, SkyDrive, Google Drive.
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It runs on iPhone, iPod and iPad and needs an IMAP account. You can optionally attach photos, videos, documents, emails, locations information with map and address, audio clips, pasteboard content and contacts information (vCard or text). Group Email is a mail client to read and manage your emails and send emails with attachments to single contacts, to groups, to handpicked set of contacts or to distribution lists.

Since app uses the web interface it has almost all features of Gmail including stars, labels, readers etc. IMailG is actually a wrapper app for Gmail web interface and it supports Gmail as well as Google apps account. It is compatible with Hotmail, Exchange/Outlook and IMAP (Gmail, Rackspace, Yahoo, AOL, iCloud & any other modern email account). With only two taps, you can file your messages, regardless of how many folders you have. eMailGanizer allows instant messaging processing. Don’t waste time waiting to file important messages until you are at a desktop.

This tool provides intelligent, predictive, email filing with complete calendar and task connectivity. EMailGanizer is also a powerful, Outlook compatible, email reader that provides integration with your task manager and the iPhone calendar.
