Category · 14 tools · 5 comparisons
Keyword research tools
Find what people search for, how hard it is to rank and what it's worth.
At a glance
- Tools tracked
- 14
- Entry plans
- $5.50–$117.33/mo
- Typical entry plan
- $20.75/mo
- Free plan
- 9 of 14
- Cheapest paid
- eRank, $5.50/mo
- Best value score
- eRank, 8/10
Every tool we cover
Price tracker →| Tool | Score | From | Top listed plan | Free plan | Trial | Pages |
|---|---|---|---|---|---|---|
 Marketing MinerMarketing Miner | 7.0 | €19/mo* | €114/mo | Yes | 10 days | Review |
 LowFruitsLowFruits | 6.9 | $20.75/mo* | $62.45/mo | No | — | Review |
 eRankeRank | 6.9 | $5.50/mo* | $22.50/mo | Yes | — | ReviewPricingAlternatives |
 SpyFuSpyFu | 6.5 | $29/mo | $187/mo | No | — | ReviewPricingAlternatives |
 Keywords EverywhereKeywords Everywhere | 6.4 | $7/mo* | $120/mo | Yes | — | ReviewPricingAlternatives |
 MangoolsMangools | 6.3 | $37.70/mo* | $97.70/mo | Yes | 10 days | ReviewPricingAlternatives |
 Sale SamuraiSale Samurai | 6.1 | $16.65/mo | $19.99/mo | Yes | 3 days | Review |
 Keyword ToolKeyword Tool | 6.0 | $68/mo* | $628/mo | Yes | — | ReviewAlternatives |
 Exploding TopicsExploding Topics | 6.0 | $39/mo | $249/mo | No | 7 days | ReviewAlternatives |
 Keyword Magic ToolKeyword Magic Tool | 5.8 | €112.52/mo | €238/mo | Yes | — | Review |
 SemrushSemrush | 5.8 | $117.33/mo | $248.17/mo | Yes | Yes | ReviewPricingAlternatives |
 UbersuggestUbersuggest | 5.3 | $16/mo* | $54.75/mo | Yes | 7 days | ReviewPricingAlternatives |
 AnswerThePublicAnswerThePublic | 5.2 | $10/mo | $99.50/mo | No | — | ReviewPricingAlternatives |
| Long Tail ProLong Tail Pro | 2.2 | $25/mo* | $98/mo | No | 7 days | ReviewAlternatives |
* Lower confidence: the vendor's pricing page couldn't be read directly or didn't list every price, so the figure was compiled from other public sources and may be incomplete. Check the vendor's page before you buy.
Head-to-head
Highest scored
Marketing MinerMarketing Miner
A capable SEO research and tracking suite; check the limits and AI add-on costs before switching.
LowFruitsLowFruits
Worth considering for SERP-based keyword checks; budget for credits and verify the results yourself.
eRankeRank
Good value for Etsy research; don’t mistake keyword suggestions for a sales strategy.
Keyword research tools: quick answers
How much do keyword research tools cost?
Paid plans for the 14 keyword research tools we track start between $5.50 and $117.33 a month, and the typical entry plan is about $20.75 a month. 9 of them have a free plan. Prices are the vendors' own, checked Nov 6, 2026; most quote the per-month price when billed annually.
Which keyword research tool is the cheapest?
eRank has the lowest paid entry plan at $5.50 a month, followed by Keywords Everywhere at $7. If you can live with limits, Marketing Miner, eRank, Keywords Everywhere and Mangools have a free plan.
Which keyword research tools have a free plan?
Marketing Miner, eRank, Keywords Everywhere, Mangools, Sale Samurai, Keyword Tool, Keyword Magic Tool, Semrush and Ubersuggest have a free plan. Exploding Topics and Long Tail Pro offer a free trial instead. Free plans are usually capped on usage, seats or features; each review lists the limits.
Which keyword research tool scores highest in our reviews?
Marketing Miner scores highest at 7.0/10. A capable SEO research and tracking suite; check the limits and AI add-on costs before switching. On value for money alone, eRank rates best (8/10).