Honest, hands-on reviews of every tool we cover. Start with the comparison table, then dig into the one that fits you.
| # | Tool | Best for | Keyword database | Starts at | Rating | Visit link |
|---|---|---|---|---|---|---|
| 1 | Semrush Best overall | Agencies & serious marketers | 25B+ keywords | $139.95/mo | 4.8 | Try free |
| 2 | Ahrefs Best for competitive research | Backlinks & competitive research | 29B+ keywords | $129/mo | 4.7 | Visit |
| 3 | SE Ranking Best value | Freelancers & small business | 5B+ keywords | $65/mo | 4.6 | Try free |
| 4 | Mangools Best for beginners | Bloggers & long-tail terms | 2.5B+ keywords | $29/mo | 4.5 | Try free |
| 5 | Surfer SEO Best for content | Writers optimizing to rank | SERP-based | $99/mo | 4.4 | Try free |
| 6 | Moz Pro Best metrics | Trusted difficulty & DA scores | 1.25B+ keywords | $49/mo | 4.3 | Try free |
| 7 | Serpstat Best budget all-in-one | Budget all-in-one suite | 9B+ keywords | $59/mo | 4.2 | Try free |
| 8 | Keywords Everywhere Best browser add-on | Quick on-page volume data | Browser add-on | From $5/mo | 4.1 | Try free |
| 9 | Ubersuggest Best low-cost starter | Low-cost starter | ~4B keywords | $29/mo | 4 | Try free |
| 10 | Google Keyword Planner Best free (from Google) | Free PPC volume data | Google’s own data | Free | 3.9 | Visit |
| 11 | AnswerThePublic Best for question research | Questions & content ideas | Autocomplete-based | From $11/mo | 3.8 | Visit |
Agencies and in-house marketers who want one tool for search-term research, competitor spying, PPC, and content — and won’t outgrow it.
Read the Semrush review →SEOs who live in competitor analysis and backlinks, and want the cleanest keyword data and SERP history in the business.
Read the Ahrefs review →Freelancers and small businesses who want ~90% of Semrush’s power at roughly half the price.
Read the SE Ranking review →Bloggers, creators, and anyone who wants to find low-competition search terms without a learning curve.
Read the Mangools review →Writers and content teams who’ve found their search terms and now need to turn them into pages that rank.
Read the Surfer SEO review →Teams who want trusted, easy-to-read difficulty and authority metrics — and a gentle on-ramp to SEO.
Read the Moz Pro review →Solo SEOs and small agencies who want keyword research, rank tracking, audits, and competitor data in one suite without a premium price tag.
Read the Serpstat review →People who want search volume, CPC, and related terms overlaid directly on Google, YouTube, Amazon, and other sites — without opening a separate dashboard.
Read the Keywords Everywhere review →Beginners and budget-conscious creators who want straightforward keyword ideas and basic competitor data — with an unusual one-time “lifetime” pricing option.
Read the Ubersuggest review →Anyone who wants volume and forecast data straight from Google for free — especially advertisers planning paid campaigns.
Read the Google Keyword Planner review →Content marketers and creators who want to map the questions, prepositions, and comparisons people search around a topic — a fast way to find article angles and FAQ fodder.
Read the AnswerThePublic review →