Word AI - Too expensive for what it offers. Plus they nickel and dime you beyond the initial costs, imposing monthly limits to how many articles you can spin using their best spinning algorithm. Feature wise, it's entirely web based and there aren't many options or settings to choose from at all. It's not good for hand spinning at all because of this. Their auto spinning algorithms produce better results than the competitors, but still not good enough to use on your money sites, so that kind of negates paying so much for their service.
SpinReWriter - Another web based tool. It's much better than WordAI for hand spinning and offers more features overall so you can choose between hand spinning and auto spinning, or some hybrid of the two. It's also priced much more competitively, with a simple annual subscription cost. But it has some significant flaws too which make it frustrating to use. It's database of synonyms has a bunch of misspelled words and it often suggests words in the wrong tense. Because of this, you can't really rely on it's auto spinning because you then have to clean all these up in your spun articles, otherwise it becomes a bit of a fingerprint of sorts that you're spinning your content. Their auto spinning is OK, about as good as WordAI, but you can improve upon it further by building out a list of negative words for it to ignore and not replace. Another annoying flaw with Spin ReWriter is that you can only save one article at a time to come back to and finish spinning. Numerous times I would be hand spinning a 1000+ word article which was taking me hours, and I would save it only to come back and find it had disappeared for some unexplained reason. In terms of file management, the tool just simply lists your previously spun articles in chronological order, you can't really group and organize them as you would with a desktop application just saving the files directly to your computer. Also in terms of spinning, it's not particularly good for spinning entire sentences or paragraphs, mainly just word by word. It can do nested spinning, but it just doesn't do it great - especially if you are trying to hand spin with it.
The Best Spinner - This wasn't my first choice when I finally bought one of these tools, but it's my current favorite. It's not perfect, but it's much more feature rich. and it's the least expensive of the three if you look for some discount offers online. Unlike the other two, it offers multiple workflows for spinning your articles, so you can choose from several to find one you are the most comfortable with. It also gives you more options to customize the synonym database to your liking, so you can improve its auto spinning. I like that it makes it relatively easy to create nested spun articles. I generally start by spinning at the sentence level, then go through the article again and spin it at a word by word level (all manually, no auto spinning). It takes some time per article, but it produces very unique and legible results when done right.
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