Personally, I used a blogger to create a post-it is simple and easy to use. But in practice, you totally not customize your blog but in the case in WordPress, there are provided a lot of plugins to optimize image, SEO friendly, Edit website by drag-drop and so more features are available.
There has its own advantage or disadvantage of WordPress or blogger. We talk about security then obviously blogger win in that situation because blogger is the site of google so google maintains it's secure day by day.
SEO FriendlyWe write more SEO friendly article in WordPress because there have SEO optimize plugins tools. But in blogger, we totally customize our blog article for ready to rank.
But there is more SEO optimization extension are available in chrome that helps to correct your grammar mistake. i.e Grammarly.
SimplicityIf we discussed simplicity then blogging is the first position because blogging is understanding those people who haven't knowledge about the internet.
But in the case of WordPress, there are more extra level features are available that normal people easily confuse.
EarningIf we discussed earning then there is no more difference in WordPress or blogging. But WordPress article more chance to rank easily then earning is more than blogging.
SecurityIf we discussed security in WordPress or blogger then blogger is best than WordPress. Why? because blogging is run by google so they check security issues minutes by minutes.
But WordPress is totally controlled by you so you need to install plugins for secure.
But in the case of WordPress, you get plugins to optimize site speed.If you discussed WordPress or blogger which one is more costly then WordPress is more costly than blogging.
It is why because blogging is free provided by google. Google provides web hosting and subdomain free for bloggers. But WordPress more costly because you want to buy a domain and web hosting through web hosting providers.
CostlyIf we are discussed about WordPress or blogger- which one is best for beginners. Then obviously blogging is best for you. Because it is easy to use and easy to write an article.
In the case of WordPress, WordPress is more difficult than a blogger you need to understand all control panel in WordPress.
Affiliate MarketingIf you create an article for affiliate marketing then WordPress is best for you. There are totally customize your blog with drag-drop features.
But in the case of a blogger, there is so difficult to choose the best template for affiliate marketing. And you need to hire for HTML expert to make a template for your choice.