You can copy/paste up to 10 articles and spin them. You have the option to either download the completed articles or you can download them in Spintax format. You can also import articles from files if you need to. It only takes a few moments to churn out 10 unique articles that are ready to post. The only drawback is that you can only spin 10 articles at a time. This is to reduce the server load.
Not from my experience. If you want a free option then the Article Spinner is the best option. If you want to pay, then Spinner Chief is the best. One of the most common mistakes that a beginning website owner does is to just copy and paste the marketing materials from the pamphlets onto the website. Writing for the Web needs to be different from writing for print. The way the Web works is different from print and the writing need to reflect that.
Spin Rewriter integrates with almost any SEO software. This allows you to post high quality articles quickly and easily. The only drawback is that you only get something like 300 API requests every 24 hours. You can quickly burn through this if you’re doing multiple campaigns. The developer does not currently offer a plan for heavy API users but maybe they will in the future.