Krigus

Plugin WP Views Counter is counting views of pages or posts in your blog
In Edit Post screen plugin shows views of current post
You can manage settings of plugin in Settings->Page Views screen 
Plugin settings: 
* Post types, in which plugin is counting views 
* Show additional statistic for authorized users in admin panel or no
Plugin creating widget, in which users can see the most viewed posts of the blog 
Widget settings: 
* Widget name 
* Posts count – count of posts in widget 
* Show numeric value of viewsin widget or no

WP Views Counter

Plugin WP Views Counter is counting views of pages or posts in your blog

chandra sekhar Gudavalli

This one is counts and dipslay all unique users hits or views for each post on our blog. 
We are saving every information in the database. 
Once we activate this plugin, it will automatically create table in the database.

Unique Post Views Counter

This plugin will enable you to display how many times a post has been viewed by unique users and we can get the total views also.

WP Views Counter vs Unique Post Views Counter