This info-graphic found on the wpbeginner website best summarizes the long debate on what platform to use. Here is the link to the info-graphic and I am sure it will help .
Info-graphic : What Blogging Platform to use
Otherwise heres a guide on which to choose between Blogger or WordPress.

So you want to start a blog but you are confused on where to start. So basically if you are not web savvy you should probably know of Blogger and WordPress.
These are the two most popular blogging platforms available online and luckily for you they also offer part of their service for free.
So we will start with the Pros and Cons of using Bloggger as a blogging platform.
Pros
|
Cons
|
| Its Free | Pro’s don’t use it |
| You can monetize it | Limited customizability |
| Easier to gain popularity | Blogger owns your blog |
| Easy to install | No monetary value |
| Free to experiment with | Common amongst spammers |
Next we will look at the Pros and cons of using WordPress. In order to make this a fair battle we will give the Pros and cons of wordpress’ free version . But we highly recommend self-hosting.
Pros
|
Cons
|
| Its Free | You cant run a custom theme |
| Automatic Backups | Cant upload plugins |
| Everything is taken care of (setup, spam etc) | Cant hack the PHP code behind your blog |
| You get extra traffic from blog of the day | |
| Easier to find likeminded bloggers using tags |
As usual Martin will be glad to entertain constructive comments on what platform you use, and any suggestion or feedback.