Has a 250,000 words monthly limit on the “Turing Spinner” and a 2,500,000 words monthly limit on the “Standard Spinner”. Anything above that will be charged additionally ($10 per 1,000,000 words for the “Standard Spinner”, and $3 per 10,000 for the “Turing Spinner”). However, they do offer custom plans for heavy API users – all you need to do is contact them.
Using our online paraphrasing tool, you can rewrite unlimited content without any limitations. There isn’t any word or query limit. You can spin the article spinner as many times as you want. All the words or phrases which are replaced by our paraphrase tool are highlighted in different colors. You can click on any one of the highlighted words to get the detailed information including original word and suitable suggestions.
WordAI also comes with several settings that can help you do the things you need to do. These help make your content more readable and unique so that there will be no issues with Google. One of the things you will surely appreciate about this tool is that this take and replaces words with exactly the same meaning then puts these in the sentences in a way that makes sense to the readers.
Imo it is not possible for google to detect properly spun content, it is not worth computing power it requires. They can do this using ngrams for example, but it is uses a lot of queries. And for example article spinner I coded beats this algo, so google cant detect that the content is spun. Manual spinning is also good but it takes more than 30 minutes per article.
I've ranked websites in the past with spun content, and now they are still on #1 position of google. First year (2014) google found me because my spun was really bad, many paragraphs were just copied and my position drop from #2 to around #20 after a panda update. Later I cleaned all my text with better spun (I didn't buy any article!), my ranking went up again, and with more backlinks I reached #1 and it is still there