There are tons of keyword tools available, and until you have tried them all out it can be hard to know which keyword tool is worth your money. So, I went and tested all the major ones out!
$69.95/mo (pro), $159.95/mo (guru), $549.95/mo (business)
Free basic use, or $48-88/month
5 searches a day for free, then $29-$49/mo for basic or premium access
$15-250/mo (2 week free trial)
From $79/mo-$999/mo. (or from $49/mo if paid annually)
$27/mo - $99/mo