Thanks to mobile devices, you no longer need a laptop to stay productive on the go -- just the right software to turn your smartphone or tablet into a portable work powerhouse.
To help transform your Android device into a laptop replacement, I tested five popular office suites to find the best overall productivity setup for Android users: DataViz's Documents to Go, $15 for the full premium version (needed for most features); Google's free Google Docs service, now part of the Google Drive app; Kingsoft Office Software's free Kingsoft Office; Mobile Systems' $15 OfficeSuite Pro; and Quickoffice's Quickoffice Pro, $15 for smartphones and a separate $20 purchase for tablets. (Quickoffice also offers a free version to paid Google Apps for Business subscribers.)
To assess the quality of each contender, I analyzed how it handles word processing, spreadsheet editing, and presentation management. I took into account the app's interface -- on both the smartphone and tablet form -- as well as the breadth and quality of the features it offers. I also tested several stand-alone apps to find the best Android tablet tool for PDF manipulation, as most office suites don't natively provide that function.
(Note: Google acquired Quickoffice last summer but has thus far continued to offer the company's products as stand-alone non-Google apps; a Google spokesperson was not able to confirm if or when that approach might change.)
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