I want to know if there is anything paid (SEO plugin) which is considered better then Yoast SEO or other free plugins ?
I did lots of testing last year including A-B testing and "All in one SEO pack" outperformed Yoast consistently as well as some other top SEO plugins. I am not saying Yoast is bad, because compared to some others it's great, i'm just saying that All in One was better as far as results as well as ease of use and support. They have both a Free and Paid version but most of the time the Free is all you will need.
If so, I really haven't seen any. I believe that yoast and all-in-one SEO plugin are advanced enough to optimize your site. The rest is up to you as far as writing and delivering useful content that your audience will appreciate. I definitely would not recommend paying for some SEO plugin when there are several free ones that are advanced enough to do the trick.
Yoast Plugin is the best of Wordpress If you want to waste your money then choose a Paid plugin for Wordpress
I was mostly speaking about this plugin : http://codecanyon.net/item/premium-seo-pack-wordpress-plugin/6109437 which has more than +5000 sales so I was wondering why some people are buying it while there are Yoast and other plugins . I don't want to waste my money but if it's worth buying then I don't mind buying it and giving it a shot .
Paid or otherwise I would recommend using All in One SEO pack. They have both free and paid and the Free one is awesome and you aren't going to get better results with that one on codecanyon. You might also want to look at the response time if you need support with the codecanyon one: "This author's response time can be up to 10 business days." Also, they only have 69% of buyers giving it a 5 star rating. Look at the buyer rating and click where it says "more information". I'd save the $40 and use it for another purpose.
Yoast is the best according to me. There is nothing this tool can't do for you when talking about plugins about SEO
You are very welcome my friend. I have all in one on a few dozen websites and it's always been great. It's also nice because it's a lot easier to setup and deal with. Good Luck.
I guess SEO paid plugins would be really helpful for an enterprise package or if you are managing/optimizing multiple websites. A free SEO plugin tool would be enough if you are just managing a single site, Yoast is a good example.