I've used Evernote in the past for simple word doc creations. Since, I have purchased Pages which has worked nicely on my iPad. I have purchased on my Mac recently for some projects I was working on on my iPad and wanted it to sync to my Mac.
There's an app that just turned free at the App Store called Wisdom Writer. It was regularly $4.99 and now free for a limited time. I have downloaded it and am impressed. Easy to insert pics, etc. so...have a look at this one and see if it fits your needs: