Rating Posts (Only with Comment)

Hello all,

I looking for a rating plugin what only allows visitors who writes comments, to rate the article. I’ve tested GD Star Rating, but at the first look it seems this thing is a overkill.

So I ask if you know a litte Rating-Plugin which only allows ratings by comments (for the posts, not comments).

This is for a review Custom Type. And I think, if anyone review a review article it is logic that he have to say why he gives it 5 stars or only 1.

I don’t have a problem if I’ve to change some code, edit my theme (is custom) or something other.

Greetings,
Sascha