CloudMagic is a must have tool if you want to search your emails, Twitter posts, Facebook posts, Evernote, iCloud, Dropbox, Microsoft Exchange and other applications in just one place. The recent update Cloud Magic 2 incorporates all these features and more. The beauty of this tool is you can have multiple Gmail or Google Apps Mail accounts, and still be able to search with a Chrome browser extension or in an Android App or in iOS (iPad app and iPhone app) and locate your files, contacts, calendars easily.
Gmail search is faster also but you can only search one email account at a time, whereas with CloudMagic you can add multiple accounts in one place.
To add accounts go to CloudMagic online and add any of the below accounts at this link: