Best Keywords Tool in 2026: 8 Options Compared

A
By the Ainotely Editorial Team.
Updated November 2026. 11 min read. Prices and features researched from each vendor's official pages and app store listings at time of writing.
Best Keywords Tool
Quick picks
  1. 1Ahrefs logo
    AhrefsSEOs who want keyword data plus backlink research
    Visit
  2. 2Semrush logo
    SemrushMarketers who want keyword, competitor, and content tools together
    Visit
  3. 3Moz logo
    MozSEOs who want keyword research with domain metrics
    Visit
  4. 4Google Keyword Planner logo
    Google Keyword PlannerAdvertisers who want free keyword volume data from Google
    Visit
  5. 5Ubersuggest logo
    UbersuggestSmall businesses that want affordable keyword ideas
    Visit
Short version:
In this guide Quick comparisonThe best keywords toolHow we picked theseWhat to check before you chooseFrequently asked questionsSources

Quick comparison

ProductIdeal forPrice fromFree version
AhrefsSEOs who want keyword data plus backlink researchSee websiteFree trialVisit
SemrushMarketers who want keyword, competitor, and content tools togetherSee websiteFree trialVisit
MozSEOs who want keyword research with domain metricsSee websiteFree trialVisit
Google Keyword PlannerAdvertisers who want free keyword volume data from GoogleFreeYesVisit
UbersuggestSmall businesses that want affordable keyword ideasSee websiteYesVisit
AnswerThePublicContent creators who want question-based keyword ideasSee websiteYesVisit
SerpstatTeams that want keyword, competitor, and audit tools at a lower priceSee websiteFree trialVisit
SE RankingAgencies and small teams that want keyword tracking plus auditsSee websiteFree trialVisit

The best keywords tool

We compared official feature pages, pricing pages, app store listings, privacy policies, and public reviews for the options below, and we kept only products that exist and work in October 2026 and truly fit best keywords tool.

Ahrefs logo
#1

Ahrefs

Ideal for: SEOs who want keyword data plus backlink research

Ahrefs website
ahrefs.com homepage

Ahrefs fits SEOs who want keyword data plus backlink research. Its starting price is listed as See website, and its free plan status is Free trial. Check the official pricing page for the plan that matches your needs. Its backlink data suits people who research competitors as well as keywords. In our comparison, the points that stood out were keyword research, along with the other strengths listed above. Weigh that against how you plan to use the product day to day. The catch is price for solo users, so try the trial and check the plan that fits your sites. If that drawback is a deal breaker for you, look at the next options in this list, since one of them may handle that part better while still covering the core job. A short trial or a free plan, where one is offered, is the safest way to find out before you pay for a full year.

The good and the bad
  • Keyword research
  • Backlink data
  • Site audit and rank tracking
  • Paid plans are pricey for solo users
  • Learning curve for beginners
Semrush logo
#2

Semrush

Ideal for: Marketers who want keyword, competitor, and content tools together

Semrush website
semrush.com homepage

Semrush fits marketers who want keyword, competitor, and content tools together. Its starting price is listed as See website, and its free plan status is Free trial. Check the official pricing page for the plan that matches your needs. Its combined tools suit teams that want one platform for search work. In our comparison, the points that stood out were keyword research, along with the other strengths listed above. Weigh that against how you plan to use the product day to day. The catch is size and price, so start with the features you will actually use weekly. If that drawback is a deal breaker for you, look at the next options in this list, since one of them may handle that part better while still covering the core job. A short trial or a free plan, where one is offered, is the safest way to find out before you pay for a full year.

The good and the bad
  • Keyword research
  • Competitor analysis
  • Content and site tools
  • Paid plans are pricey
  • The toolset can feel large at first
Moz logo
#3

Moz

Ideal for: SEOs who want keyword research with domain metrics

Moz website
moz.com homepage

Moz fits SEOs who want keyword research with domain metrics. Its starting price is listed as See website, and its free plan status is Free trial. Check the official pricing page for the plan that matches your needs. Its metrics suit people who compare sites and track rankings over time. In our comparison, the points that stood out were keyword research, along with the other strengths listed above. Weigh that against how you plan to use the product day to day. The catch is plan limits, so check keyword and tracking limits for your sites. If that drawback is a deal breaker for you, look at the next options in this list, since one of them may handle that part better while still covering the core job. A short trial or a free plan, where one is offered, is the safest way to find out before you pay for a full year.

The good and the bad
  • Keyword research
  • Domain authority metrics
  • Rank tracking
  • Data depth varies by plan
  • Interface feels older than rivals
Google Keyword Planner logo
#4

Google Keyword Planner

Ideal for: Advertisers who want free keyword volume data from Google

Google Keyword Planner fits advertisers who want free keyword volume data from Google. Its starting price is listed as Free, and its free plan status is Yes. Check the official pricing page for the plan that matches your needs. Its free data suits anyone starting keyword research before buying a paid tool. In our comparison, the points that stood out were free keyword volume ranges, along with the other strengths listed above. Weigh that against how you plan to use the product day to day. The catch is range data, so use it for direction, not exact volumes. If that drawback is a deal breaker for you, look at the next options in this list, since one of them may handle that part better while still covering the core job. A short trial or a free plan, where one is offered, is the safest way to find out before you pay for a full year.

The good and the bad
  • Free keyword volume ranges
  • Google Ads integration
  • Location filters
  • Volume data is in ranges
  • Needs a Google Ads account
Ubersuggest logo
#5

Ubersuggest

Ideal for: Small businesses that want affordable keyword ideas

Ubersuggest fits small businesses that want affordable keyword ideas. Its starting price is listed as See website, and its free plan status is Yes. Check the official pricing page for the plan that matches your needs. Its simple ideas suit small teams that want quick keyword lists without a large tool. In our comparison, the points that stood out were keyword ideas, along with the other strengths listed above. Weigh that against how you plan to use the product day to day. The catch is daily limits and depth, so larger research needs may need a premium tool. If that drawback is a deal breaker for you, look at the next options in this list, since one of them may handle that part better while still covering the core job. A short trial or a free plan, where one is offered, is the safest way to find out before you pay for a full year.

The good and the bad
  • Keyword ideas
  • Content ideas
  • Site audit basics
  • Free plan has daily limits
  • Data depth is lower than premium tools
AnswerThePublic logo
#6

AnswerThePublic

Ideal for: Content creators who want question-based keyword ideas

AnswerThePublic fits content creators who want question-based keyword ideas. Its starting price is listed as See website, and its free plan status is Yes. Check the official pricing page for the plan that matches your needs. Its question ideas suit writers who want topics people actually ask about. In our comparison, the points that stood out were question and phrase ideas, along with the other strengths listed above. Weigh that against how you plan to use the product day to day. The catch is limited free searches, so plan your research in batches. If that drawback is a deal breaker for you, look at the next options in this list, since one of them may handle that part better while still covering the core job. A short trial or a free plan, where one is offered, is the safest way to find out before you pay for a full year.

The good and the bad
  • Question and phrase ideas
  • Visual keyword maps
  • Search listening
  • Free searches are limited
  • Depth varies by plan
Serpstat logo
#7

Serpstat

Ideal for: Teams that want keyword, competitor, and audit tools at a lower price

Serpstat fits teams that want keyword, competitor, and audit tools at a lower price. Its starting price is listed as See website, and its free plan status is Free trial. Check the official pricing page for the plan that matches your needs. Its combined tools suit teams that want broad coverage without premium pricing. In our comparison, the points that stood out were keyword research, along with the other strengths listed above. Weigh that against how you plan to use the product day to day. The catch is country coverage, so check data for your target markets first. If that drawback is a deal breaker for you, look at the next options in this list, since one of them may handle that part better while still covering the core job. A short trial or a free plan, where one is offered, is the safest way to find out before you pay for a full year.

The good and the bad
  • Keyword research
  • Competitor data
  • Site audit
  • Data coverage varies by country
  • Interface takes learning
SE Ranking logo
#8

SE Ranking

Ideal for: Agencies and small teams that want keyword tracking plus audits

SE Ranking fits agencies and small teams that want keyword tracking plus audits. Its starting price is listed as See website, and its free plan status is Free trial. Check the official pricing page for the plan that matches your needs. Its tracking suits teams that watch many keywords across client sites. In our comparison, the points that stood out were keyword tracking, along with the other strengths listed above. Weigh that against how you plan to use the product day to day. The catch is scaling costs, so count your keywords before you pick a plan. If that drawback is a deal breaker for you, look at the next options in this list, since one of them may handle that part better while still covering the core job. A short trial or a free plan, where one is offered, is the safest way to find out before you pay for a full year.

The good and the bad
  • Keyword tracking
  • Site audit
  • Competitor research
  • Pricing scales with keywords tracked
  • Advanced features need higher tiers

How we picked these

We started from the topic itself and looked for products that cover the core job, not products that only touch it in passing. For each candidate, we compared its official feature page, its pricing page, app store listings where they exist, its privacy policy, and public reviews from users. We left out products we could not confirm as current and working in October 2026, and we left out products whose main job sits in a different category. We did not claim hands-on testing that did not happen. Instead, we weighed published features, published pricing, free plan terms, and honest weaknesses, and we gave extra weight to products with clear safety, privacy, and support practices. Where a price could not be confirmed from the vendor, we wrote See website rather than guessing a number.

What to check before you choose

Start with the job you need done most often, not with the longest feature list. A product that handles your main task well and stays out of your way on the rest will usually serve you better than a product that does a little of everything and nothing well. Write down your top three needs before you open any pricing page, and use that short list to judge every option. Next, check total cost, not only the headline price. Look for per-user fees, add-ons, limits on the cheaper plans, and whether a free plan covers the features you actually need. If pricing is quote-based, ask for a written quote for your exact use, and ask what happens when you grow past the first tier. Then check the parts that are easy to skip and hard to fix later: data export, privacy terms, support hours, and how easy it is to cancel. A product that locks your data in or makes cancellation hard can cost more in time than it saves in money. A short trial, a free plan, or a month-to-month start will tell you more than any feature page.

Frequently asked questions

Which best keywords tool option is best for beginners?

For most beginners, Ahrefs is a sensible starting point because it is built for seos who want keyword data plus backlink research. Semrush is another good starting point if you want a different balance of price and features. Start with a free plan or a trial where one is offered, and only move to a paid plan once you know you will use it regularly.

Is there a free best keywords tool option?

Yes, some options in this list offer a free plan or a free trial, and the comparison table shows which ones do. Free plans often limit features, usage, or support, so read the plan details before you rely on one for daily work. If no free plan is listed for the product you want, check its official site for a trial offer.

How much do best keywords tool options cost?

Prices range from free plans to quote-based enterprise pricing, and the starting price column in the table gives the figure we could confirm for each product. Where we could not confirm a current price, we wrote See website rather than guessing. Always confirm the current price on the official site, since prices and plan names change.

What should I check before choosing?

Check that the product covers your main task, that its price fits your budget, and that its privacy and support terms are clear. Read recent public reviews for the parts that matter to you, such as reliability and support response. Then run a short trial with real tasks before you commit to a paid plan.

Sources

  1. https://ahrefs.com
  2. https://www.semrush.com
  3. https://moz.com
  4. https://ads.google.com
  5. https://neilpatel.com
  6. https://answerthepublic.com
  7. https://serpstat.com
  8. https://seranking.com