Conversion GemsConversion Gems

Free keyword research tools

4 keyword research tools we review offer a free plan. Filter and sort the table, or open any tool's review.

Scored by the Conversion Gems editorial team · reviewed June 2026 4 tools with a free plan · median paid plan $90/mo
4 tools
DetailsPricingFree planFree trialWhat the plan includesReview
marketmuse7.1 / 10Freemium$99/moYesYesFree tier; paid from $99/mo (Optimize)Review marketmuse
Topicmojo6.8 / 10Freemium$90/moYesYesFree (5 queries/mo); Starter $90/yrReview Topicmojo
Soovle6.7 / 10FreeFreeYes—Free (no signup)Review Soovle
wordtracker6.6 / 10Freemium$27/moYesYesFree tool; paid from $27/moReview wordtracker
marketmuse7.1 / 10
Freemium · $99/mo · Free trial

Free tier; paid from $99/mo (Optimize)

Topicmojo6.8 / 10
Freemium · $90/mo · Free trial

Free (5 queries/mo); Starter $90/yr

Soovle6.7 / 10
Free

Free (no signup)

wordtracker6.6 / 10
Freemium · $27/mo · Free trial

Free tool; paid from $27/mo