It’s an extension for the Feed to Post add-on, that allows you to integrate the SpinnerChief article spinner into Feed to Post so that your posts won’t look like junk content. They will look like high quality content which means you can reliably use SpinnerChief with a product like WP RSS Aggregator for Tier 1 links or even for a profitable money site and Google won’t be able to tell that the content is spun.
WordAI automatically rewrites entire paragraphs and sentences – this functionality is offered by most content spinners nowadays, but not many are good at it. WordAI tries to understand in the best possible way, not just the words in the sentence, but the entire meaning of the sentence as well as its connection to subsequent sentences in the paragraph.
Some article spinners out there require you to enter your text with properly formatted spintax to create the end result. To create formatted spintax, you'll usually need another tool. But Article Rewriter by Small SEO Tools doesn't require that. Instead, it does all the thinking for you, from taking in the context of every phrase to creating additional textual content that is as readable and meaningful as the text you originally entered.
Very Readable Content – for this one they recommend setting the 1st input to “Very Readable” and allowing both sentence rewriting and paragraph editing (2nd and 3rd input), but disallowing automatic paragraph spinning (the 4th input). Keep in mind that this type of spinning will generate much less unique versions of your content as less synonyms will be used for the words.

As you can see, WordAI is a lot more loose with the meaning of the text and uses synonyms wherever it can in order to produce the most unique content possible – this one is calculated at 98% uniqueness. Again, the purpose of such content should be for the lower tiers where you would need a higher quantity of links with not that high quality content.

Looking at both spinner’s spun articles, they both seem to generate spun content that looks pretty good. Both have some grammar issues I would correct if I was posting it on a high tier 1 site, but overall SpinnerChief produced better content. Not sure if WordAi is being overly aggressive on the spins at the cost of quality. This test is very hard to call. If you go by raw numbers, SpinnerChief won. I want to leave this up to you to decide which one won. Winner none – draw!
Don't you hate it when your synonyms make no {sense|perception}? Don't settle for the "content garbage" that most spinners vomit out. WordAi can tell subtle differences between words and makes sure each synonym it picks makes complete sense. This gives you articles that are automatically readable, without you needing to spend countless hours fixing them up!