Grammarian Pro2 is better than Pages’ Proofreader feature
<p style="margin-left:0px; margin-right:0px">One of the advantages Microsoft's Word has over Apple's Pages is a good grammar checker. Pages' Proofreader feature just isn't as comprehensive. If you want to add better grammar checking features to Pages, try <a target="_blank" href="http://bit.ly/1ooyQP9" rel="noopener noreferrer">Grammarian Pro2 X </a>($49.95) from Linguisoft. It checks grammar and spelling errors interactively (as-you-type) or batch checking (all-at-once).</p>