Spin Rewriter 5.0 technology was a previous edition that allowed their clients to use the basic article rewriting system. Their newer versions over the years have just kept getting better and better. The new Spin Rewriter 9.0 technology gives you the option of assigning variables to your content. Their software is dead easy to use. In just three steps you can have up to 50 uniquely spun articles.
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.
SpinnerChief 5 has super-advanced functions such as auto-grammar fix, for example it will correct "a apple" to "an apple," plus it can spin "I want to eat the apple, orange and banana" to "I want to eat the banana, orange and apple." We can't list all functions here, there are too many to list! - But one thing is sure, SpinnerChief 5 will give you the best rewritten article - no other spinner can do what SpinnerChief 5 does!
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.