AI writer is really easy to use, now as the software still in the beta stage you can use it for free without any registration. the only thing you need to use the software is the keywords you need to write articles on, you just need to enter the keywords and enter you email id. the app will automatically scrap the web for articles based on the content and create an article by rewriting it. when the process is completed, you'll get an email update.
now the software works like this, it will automatically rewrite the article to 55% and give it to you, you can tweak it as you like to get as unique as it can get. you can also get the sources listed and sentences in the raw form as it is so you can manually view it or use is to get ideas. there is also another tab that gives you links to the sources from which the information was collected.