Best software · Marketing
10 Best Keyword Research Tools of 2026
This list is for content marketers, bloggers and editors who need to pick topics that people actually search for and that a site of their size can realistically rank for. We compared documented features and published prices for 10 tools, from full SEO suites to a browser extension, a question finder and a SERP weakness checker. Scores weigh features at 40%, ease of use at 30% and value at 30%. Features are judged on keyword database size, how difficulty is estimated, idea generation, clustering and limits on the cheapest useful plan. Prices are the vendors' own US dollar figures where the page showed them; two vendors are marked as pending because their pricing pages did not show a USD figure when we checked.
By the Mojolin research desk · Updated November 9, 2026 · 10 tools compared · Prices checked on vendor pages, latest November 9, 2026
Questions or corrections: editorial@mojolin.com
Mojolin is self-funded How we score
Semrush is our top pick because its Keyword Magic Tool draws on more than 28 billion keywords across 142 regional databases, and Keyword Strategy Builder turns a seed list into topic clusters for a content plan, with a free plan of 10 reports a day to start. Ahrefs Keywords Explorer is a close second, with a Keyword Difficulty score built only from backlinks to the top-ranking pages plus Traffic Potential and Parent Topic, which help writers aim at a whole topic rather than one phrase. KWFinder is the friendliest tool for finding low difficulty long tail keywords, and SE Ranking bundles unlimited keyword research into a full suite. LowFruits is the specialist for spotting weak sites in the results, Moz Keyword Explorer adds search intent and striking distance keywords, and Ubersuggest is a low cost suite from US$29. Keywords Everywhere puts volume data in your browser from $7 a month billed annually, Google Keyword Planner is free with a Google Ads account, and AnswerThePublic is the quickest way to collect the questions people ask.
Top picks
Best overall
Semrush
8.6 / 10
Content teams that want keyword ideas, competitor gaps and a topic plan from one account.
Read the review →Runner-up
Ahrefs Keywords Explorer
8.5 / 10
Writers and SEOs who want a difficulty score tied to the links they would need to compete.
Read the review →Also great
KWFinder
8.4 / 10
Bloggers and small content teams who want simple, low difficulty keyword ideas.
Read the review →Comparison table
| # | Tool | Pricing | Score | |
|---|---|---|---|---|
| 1 | Semrush | Content teams that want keyword ideas, competitor gaps and a topic plan from one account. | Free plan with 10 reports a day; SEO plan $139 per month, or $117.33 per month billed annually | 8.6 |
| 2 | Ahrefs Keywords Explorer | Writers and SEOs who want a difficulty score tied to the links they would need to compete. | Ahrefs Free for your own site; Starter $29 per month; Lite $129 per month | 8.5 |
| 3 | KWFinder | Bloggers and small content teams who want simple, low difficulty keyword ideas. | See vendor pricing (USD check pending) | 8.4 |
| 4 |  SE Ranking | Content teams and agencies that want unlimited keyword research inside a full SEO suite. | See vendor pricing (USD check pending) | 8.3 |
| 5 |  LowFruits | Bloggers and niche site owners who distrust KD scores and want to see weak spots in the actual results. | Standard $29.90 per month or $20.75 per month billed yearly; pay-as-you-go credits from $25 for 2,000 | 8.2 |
| 6 |  Moz Keyword Explorer | Marketers who want difficulty, intent and striking distance keywords from a familiar SEO brand. | Free Keyword Explorer access; Moz Pro entry plan $49 per month for one website; Standard $99 per month or $79 billed yearly | 8.1 |
| 7 |  Ubersuggest | Solo marketers and small businesses who want a simple suite on a small budget. | Paid plans listed at US$29 to US$99 per month; 7-day free trial on monthly plans; free account and lifetime plans available | 8.0 |
| 8 |  Keywords Everywhere | Writers who want keyword data while they browse and research topics. | Free features with no sign up; Bronze $7 per month billed annually ($84 a year) for 100,000 credits | 7.9 |
| 9 |  Google Keyword Planner | Marketers who want Google's own search estimates at no cost and already use Google Ads. | Free with a Google Ads account | 7.7 |
| 10 |  AnswerThePublic | Content marketers who need question-based topic ideas and FAQ angles fast. | Free daily searches; Starter US$20 per month or US$120 per year; Growth US$99 per month | 7.6 |
Scoring weights
Every tool gets three editorial scores out of 10, from vendor documentation, product pages and the published price. The overall score is the weighted average below, the same method on every list. Full method
The full ranking
Rank 1 · Best overall
Semrush
A search marketing suite whose keyword toolkit covers idea generation, difficulty, competitor gaps, topic clusters and AI prompt research.
semrush.com8.6
out of 10
Best for: Content teams that want keyword ideas, competitor gaps and a topic plan from one account.
Semrush covers every step a content marketer takes from seed idea to publishing plan. The Keyword Magic Tool searches a database of more than 28 billion keywords across 142 regional databases, Keyword Overview shows the value and competition of a single term, and the keyword gap report lists high value and low competition terms your rivals already rank for. Keyword Strategy Builder then groups keywords into topic clusters, which saves the manual sorting most teams do in spreadsheets. Semrush also says you can find pages ranking just outside the top spots, a quick source of refresh work, and Prompt Research shows what people ask AI assistants about a topic. The free plan gives 10 reports a day, and paid access starts with the SEO plan at $139 a month or $117.33 a month billed annually. The trade-offs are cost and seats: each extra colleague starts at $45 a month, so a three person content team pays well above the headline price.
Standout feature
Keyword Strategy Builder maps a keyword list to topic clusters you can publish against.
Use cases
Content leads
Turn a seed topic into clusters of related keywords
Outcome: A quarter of article ideas grouped by topic
SEO writers
Find keywords competitors rank for that the site does not
Outcome: A gap list of new article targets
Editors
Spot pages ranking just outside the top results
Outcome: A short list of articles worth refreshing
Key features
- Keyword Magic Tool with a database of 28B+ keywords
- 142 regional keyword databases with local and personalized metrics
- Keyword Strategy Builder that maps keywords to topic clusters
- Keyword gap analysis against competitors
- Prompt Research for topics people ask AI assistants about
Pros
- Largest set of keyword research tools on this list in one subscription
- Topic clusters turn a keyword list into a content plan
- Free plan and a seven-day trial before you pay
Cons
- SEO plan at $139 a month is among the most expensive entry prices here
- Additional users start at $45 a month each
- The free plan stops at 10 reports a day
Rank 2 · Runner-up
Ahrefs Keywords Explorer
Ahrefs' keyword research tool with backlink-based difficulty, Traffic Potential, Parent Topic and instant clustering.
ahrefs.com8.5
out of 10
Best for: Writers and SEOs who want a difficulty score tied to the links they would need to compete.
Ahrefs Keywords Explorer is built around metrics that answer the content marketer's two questions: how much traffic a topic can bring and how hard it is to win. Ahrefs states that its Keyword Difficulty score is based solely on the average number of backlinks to the top-ranking pages, so a low score has a clear meaning. Traffic Potential estimates what the number one page earns across all its keywords, and Parent Topic tells you whether a broader article would rank for your phrase anyway. The index holds 28.7 billion keywords filtered from 110 billion discovered, across 217 locations, and AI tools suggest seeds and group ideas by Parent Topic. Ahrefs also says you can find easy wins where weak websites rank high. Entry options run from Ahrefs Free for your own site to Starter at $29 a month and Lite at $129. Keyword clusters, search intents and SERP updates sit on Standard at $249, which is a real cost for small teams.
Standout feature
Its difficulty score is based only on backlinks to the top-ranking pages, which makes it easy to interpret.
Use cases
Bloggers
Filter ideas by low Keyword Difficulty and high Traffic Potential
Outcome: Topics a newer site can realistically win
Content strategists
Group a long keyword list by Parent Topic
Outcome: One article per topic instead of near duplicates
SEO managers
Check SERP history before committing to a keyword
Outcome: Fewer bets on unstable results
Key features
- Keyword Difficulty calculated from backlinks to the top-ranking pages
- Traffic Potential estimates traffic to the number one result
- Parent Topic shows the broader topic to target instead
- 28.7B keywords filtered from 110B discovered, in 217 locations
- AI keyword ideas and instant clustering by Parent Topic
Pros
- Difficulty method is documented and easy to reason about
- Traffic Potential helps rank topics by total traffic, not one phrase
- SERP history shows how volatile a result has been
Cons
- Keyword clusters and search intents need the $249 Standard plan
- Lite keeps 6 months of historical data
- Extra Lite users cost $40 a month each
Rank 3 · Also great
KWFinder
Mangools' keyword tool for finding long tail keywords with low SEO difficulty, with local data for about 65,000 locations.
mangools.com8.4
out of 10
Best for: Bloggers and small content teams who want simple, low difficulty keyword ideas.
KWFinder is built for the exact task this list covers: finding long tail keywords with low SEO difficulty and enough search volume to be worth an article. You search by keyword or by a competitor's domain, and the results show difficulty, exact search volumes and historical trends, so seasonal topics are easy to spot. Mangools reports about 2.5 billion related keywords and about 65,000 supported locations, including cities and districts, which helps with local content. A free account gives 5 lookups per 24 hours with 15 related and 5 competitor keywords each, enough to judge the interface. KWFinder is part of the Mangools SEO package alongside SERPChecker, SERPWatcher, LinkMiner and SiteProfiler, which cover SERP analysis, rank tracking and backlinks. The limits are depth and price clarity: it has no topic clustering like Semrush or Ahrefs, and its pricing page did not show USD figures from our location, so check the price before you buy. Mangools refunds within 48 hours of payment.
Standout feature
Its whole interface is designed around finding long tail keywords with low SEO difficulty.
Use cases
Niche bloggers
Find long tail keywords with low difficulty in a new niche
Outcome: A first batch of winnable article ideas
Local businesses
Research keywords for a specific city
Outcome: Location pages based on local search demand
Freelance writers
Check a competitor domain for keywords it ranks for
Outcome: Topic suggestions for a client pitch
Key features
- Keyword difficulty and exact search volumes for each keyword
- Competitor keyword research by domain or URL
- Historical search volumes and trends for seasonal topics
- Local keyword research in about 65,000 locations
- Part of the Mangools SEO package with SERPChecker, SERPWatcher, LinkMiner and SiteProfiler
Pros
- Free account with 5 lookups per 24 hours
- Focused on low difficulty long tail keywords, the core of this list
- Sits in the same Mangools package as SERP analysis and rank tracking tools
Cons
- USD prices did not load on the pricing page when we checked
- Free lookups show only 15 related and 5 competitor keywords
- Rank tracking updates weekly except on the Agency plan
Rank 4
SE Ranking
An SEO platform whose Keyword Tool covers volume, difficulty, intent and SERP data across 188 locations.
seranking.com8.3
out of 10
Best for: Content teams and agencies that want unlimited keyword research inside a full SEO suite.
SE Ranking suits content teams that want keyword research to flow straight into planning and tracking. Its Keyword Tool shows search volume, difficulty, intent and SERP data across 188 locations, and the suggestions include related, long-tail and question keywords as well as low search volume terms. You can import a list or run bulk checks to compare volume, difficulty and intent side by side, then save keywords into lists that feed Keyword Grouper, Content Editor and Rank Tracker. Historical SERP data back to 2020 helps you show clients why a keyword made the list. The Core plan includes unlimited keyword, competitor and backlink research with 10 projects, 2,000 daily tracked keywords and one manager seat, and both Core and Growth offer a 14-day free trial that needs no credit card. The catch for this list is pricing transparency from our location: the page showed euro prices only, so confirm the USD figure before you commit.
Standout feature
Its Core plan includes unlimited keyword, competitor and backlink research.
Use cases
Agency content teams
Research keywords for several clients and markets
Outcome: Saved lists per client ready for grouping and briefs
In-house marketers
Bulk check an existing keyword list for difficulty and intent
Outcome: Weak targets cut before they reach the plan
International sites
Compare search demand across country databases
Outcome: Content prioritized by market
Key features
- Keyword Tool with search volume, difficulty, intent and SERP data
- 188 country databases
- Related, long-tail, question and low search volume suggestions
- Historical SERP data back to 2020
- Saved lists that feed Keyword Grouper, Content Editor and Rank Tracker
Pros
- Core plan includes unlimited keyword, competitor and backlink research
- 14-day free trial with no credit card required
- MCP access connects keyword data to AI assistants
Cons
- USD price did not show on the pricing page from our location
- Full project history needs the Growth plan
- Core includes one manager seat
Rank 5
LowFruits
A SERP analysis tool that finds keywords where weak, low authority sites already rank.
lowfruits.io8.2
out of 10
Best for: Bloggers and niche site owners who distrust KD scores and want to see weak spots in the actual results.
LowFruits takes a different approach to realistic difficulty. Instead of a single KD number, it extracts the search results for each keyword and highlights weak spots, such as low Domain Authority sites already ranking, along with content word count, title relevance and site type. You can import your own keywords or generate long-tail ideas from Google autocomplete, including wildcard searches that surface combinations other tools miss, and LowFruits groups keywords that share similar intent into clusters. The Standard plan costs $29.90 a month or $20.75 a month billed yearly and includes 3,000 credits, 100 tracked keywords and competitor extractions; one analyzed keyword uses one credit. Pay-as-you-go packs start at $25 for 2,000 credits and last a year, which suits occasional research. Monthly credits do not roll over, and the tool does not replace a full suite for audits or backlinks. LowFruits offers a 14-day refund if you used fewer than 100 credits.
Standout feature
It judges difficulty by highlighting weak sites in the live results rather than a single score.
Use cases
Niche site owners
Bulk analyze a long-tail list for weak sites in the top results
Outcome: A short list of keywords with forum or low authority results
Bloggers
Run wildcard searches around a topic
Outcome: Long-tail ideas competitors are not targeting
Content planners
Cluster keywords by shared intent
Outcome: One article brief per cluster
Key features
- Bulk SERP analysis that highlights low Domain Authority sites
- Keyword clustering by shared intent
- Wildcard (*) searches for long-tail ideas from Google autocomplete
- Allintitle and KGR tool
- Competitor ranking, keyword idea and sitemap extractions
Pros
- Shows why a keyword is easy instead of relying on one score
- Pay-as-you-go credits for occasional research
- 14-day money back guarantee if fewer than 100 credits were used
Cons
- Monthly subscription credits do not roll over
- Each analyzed keyword uses a credit
- Fewer suite features than Semrush, Ahrefs or SE Ranking
Rank 6
Moz Keyword Explorer
Moz's keyword research tool with 1.25 billion+ keyword suggestions, difficulty, organic CTR and AI-generated search intent.
moz.com8.1
out of 10
Best for: Marketers who want difficulty, intent and striking distance keywords from a familiar SEO brand.
Moz Keyword Explorer gives content marketers a practical mix of demand and competition data. Each keyword shows Monthly Volume, Organic CTR, Difficulty and Minimum Domain Authority, which gauges the ranking strength of the pages in the results, and Moz AI adds a Primary Search Intent label. Enter your own site to see the keywords you already rank for, including terms just outside the top 10, which makes a quick refresh list. Keyword Suggestions has a Questions filter for FAQ style content, and you can group keywords by lexical similarity into lists. Moz reports 1.25 billion+ keyword suggestions across 170 Google search engines. Moz offers a free version of the tool, and full access comes with Moz Pro, whose entry plan costs $49 a month for one website; Standard is $99 a month or $79 billed yearly. Extra seats are $49 a month each, and the index is smaller than the two leaders, so very niche topics may return fewer ideas.
Standout feature
Minimum Domain Authority gauges how strong the pages ranking for each keyword are.
Use cases
Small business marketers
Find keywords the site ranks for just outside the top 10
Outcome: A refresh list with quick ranking potential
Content writers
Filter suggestions to questions
Outcome: FAQ sections built on real searches
SEO managers
Compare Organic CTR across target keywords
Outcome: Fewer targets where SERP features take most clicks
Key features
- 1.25 billion+ keyword suggestions and 170 Google search engines
- Monthly Volume, Organic CTR, Difficulty and Minimum Domain Authority metrics
- Primary Search Intent generated by Moz AI
- Ranking keywords for your site, including striking distance terms
- Questions filter and keyword grouping by lexical similarity
Pros
- Free keyword research tool to try before paying
- Organic CTR shows when SERP features will take clicks
- Entry plan at $49 a month for a single website
Cons
- Full Keyword Explorer access needs a Moz Pro plan
- Additional user seats cost $49 a month each
- Smaller keyword index than Semrush or Ahrefs
Rank 7
Ubersuggest
A low cost SEO suite with keyword suggestions, content ideas, rank tracking and site audits.
neilpatel.com8.0
out of 10
Best for: Solo marketers and small businesses who want a simple suite on a small budget.
Ubersuggest is the budget suite for content marketers who want keyword ideas and content inspiration without a large monthly bill. The pricing page lists plans from US$29 to US$99, and the comparison table shows the first plan with 150 reports a day, 20,000 keyword suggestions and 2,000 content ideas a month, rising to 900 reports and 100,000 suggestions on the top plan. Bulk analysis checks 50 to 1,000 keywords at once, and newer features add AI prompt ideas, search intent for keywords and AI search visibility checks. Rank tracking and weekly site audits are included, so a solo marketer can cover basic SEO in one place. A one-time 7-day free trial applies to monthly subscriptions, you can downgrade to a free account at any time, and a lifetime plan is sold as a one-time payment, though those purchases are non-refundable. The limits are the trade-off: daily report caps and smaller bulk checks make it less suited to large research projects.
Standout feature
Its Content Ideas report pairs keyword research with topics that already earn attention.
Use cases
Solo founders
Find keyword and content ideas for a company blog
Outcome: A monthly topic list on a small budget
Small agencies
Bulk check difficulty for a client keyword list
Outcome: A prioritized list for the next content sprint
Bloggers
Track rankings for published posts
Outcome: Weekly view of which topics are working
Key features
- 20,000 to 100,000 keyword suggestions per month by plan
- 2,000 to 10,000 content ideas per month
- Bulk keyword analysis for 50 to 1,000 keywords
- AI prompt ideas and AI search visibility checks
- Rank tracking and weekly site audits
Pros
- Lowest entry price among the full suites here
- Content Ideas report suits topic research
- Lifetime plan option for a one-time payment
Cons
- Entry plan allows 150 reports per day
- Bulk analysis is capped at 50 keywords on the first plan
- Lifetime purchases are final and non-refundable
Rank 8
Keywords Everywhere
A browser extension that adds search volume, CPC and competition data to Google, YouTube, Amazon and 15+ other sites.
keywordseverywhere.com7.9
out of 10
Best for: Writers who want keyword data while they browse and research topics.
Keywords Everywhere is the lightest tool on this list and the cheapest paid one. It is a browser extension for Chrome, Firefox and Edge that adds search volume, CPC, competition and 12 month trend data to Google results, YouTube, Amazon, Etsy and more than 15 other sites, so writers see demand while they research a topic. Widgets for related keywords and people also search for terms keep working even without credits. The free features, including prompt templates and traffic and backlink data, work without an API key, and a paid plan adds the volume metrics. Bronze costs $7 a month billed annually, or $84 a year, for 100,000 credits and one user seat; Silver at $14 a month adds three seats. One credit covers one keyword, so a single Google search with many suggestions can use dozens. Credits expire after a year, plans are billed annually only, and it is not a replacement for the clustering or SERP analysis in the larger tools.
Standout feature
It shows keyword metrics directly on Google, YouTube and marketplace search pages.
Use cases
Freelance writers
Check search volume while researching an article on Google
Outcome: Headings chosen around terms people search
YouTube creators
See keyword metrics on YouTube searches
Outcome: Video topics backed by search data
Ecommerce marketers
Compare demand on Amazon and Etsy searches
Outcome: Product listing keywords ranked by volume
Key features
- Search volume, CPC, competition and 12 month trend data in the browser
- Works on Google, YouTube, Bing, Amazon, eBay, Etsy and more
- People also search for and related keywords widgets
- Domain top keywords and traffic metrics
- MCP server for ChatGPT, Claude, Cursor and VS Code
Pros
- Cheapest paid plan on this list
- Data appears where you already search
- Free features work without an API key
Cons
- All plans are billed annually, not monthly
- Credits expire after one year
- No difficulty analysis as deep as the full suites
Rank 9
Google Keyword Planner
Google's free keyword research tool inside Google Ads, with monthly search estimates and bid estimates.
ads.google.com7.7
out of 10
Best for: Marketers who want Google's own search estimates at no cost and already use Google Ads.
Google Keyword Planner is the free baseline every content marketer should know. Google describes it as a free resource to help advertisers build keyword lists, and that focus shapes what you get. You enter words or a website and receive keyword ideas, estimates of monthly searches and how they have changed over time, plus bid estimates that hint at commercial value. You can also upload an existing list to get search volume and forecasts, filter by competition and keyword text, and auto organize keywords into groups. Access requires completing Google Ads account setup, including billing information, and Smart Mode accounts must switch to Expert Mode first. For content work the main gap is difficulty: the competition metric describes advertisers, not how hard it is to rank organically, and there is no SERP analysis. It works best as a free check on demand next to a tool that scores organic difficulty.
Standout feature
It is free and uses Google's own search estimates.
Use cases
Startup marketers
Get keyword ideas from a competitor's website
Outcome: A free first list of topics with search estimates
Teams running Search ads
Compare search estimates and bids for blog topics
Outcome: Content aimed at commercially valuable searches
Content writers
Upload a draft keyword list for volume estimates
Outcome: Low demand topics removed at no cost
Key features
- Keyword ideas from words, phrases or a website
- Estimates of monthly searches and how they change over time
- Bid estimates for each keyword
- Filters by competition, impression share and keyword text
- Forecasts of clicks, impressions and conversions for a plan
Pros
- Free, with data from Google
- Accepts a website as a seed for keyword ideas
- Useful for teams that run Search ads too
Cons
- Requires Google Ads account setup with billing information
- Built for advertisers, so competition refers to ads, not organic difficulty
- Smart Mode accounts must switch to Expert Mode
Rank 10
AnswerThePublic
A search listening tool that collects the questions, prepositions, comparisons and related searches people type around a topic.
answerthepublic.com7.6
out of 10
Best for: Content marketers who need question-based topic ideas and FAQ angles fast.
AnswerThePublic answers a different question from the other tools: not how hard a keyword is, but what people want to know about a topic. Enter a keyword and it returns the questions, prepositions, comparisons and related searches people type into search engines, which makes it quick to build FAQ sections, article outlines and content angles. Paid plans add more daily searches, Search Listening Alerts that email a weekly digest of new questions, comparisons of search behavior over time, Keyword Lists and CSV export. Plans also bundle the Composeo AI content suite, with 6 articles a month on Starter. Starter costs US$20 a month or US$120 a year, Growth is US$99 a month and Business US$199 a month, and the company notes that prices are localized by region. Free use is limited by a daily search cap. It has no difficulty scoring or SERP analysis, so treat it as an idea source and check each topic in a tool that scores difficulty.
Standout feature
It turns one keyword into the questions, comparisons and prepositions people actually search.
Use cases
Content writers
Collect questions people ask about a topic
Outcome: An outline and FAQ section built from real searches
PR and brand teams
Set alerts for new questions about a brand or category
Outcome: A weekly digest of emerging topics
Content strategists
Compare how questions on a topic change over time
Outcome: Seasonal angles for the editorial calendar
Key features
- Questions, prepositions, comparisons and related searches for a keyword
- Search Listening Alerts with weekly email digests
- Compare search behavior over time
- Keyword Lists to organize research by project
- Composeo AI content suite bundled with paid plans
Pros
- Fastest way on this list to collect questions for FAQs and outlines
- Free daily searches to start
- Yearly Starter plan works out to US$10 a month
Cons
- Not a difficulty tool; pair it with one of the suites
- Prices are localized by region, so the charge may differ
- CSV export and more daily searches need a paid plan
Frequently asked questions
+What is the best keyword research tool in 2026?
Semrush scores highest for content marketers, with 28B+ keywords, topic clustering in Keyword Strategy Builder and a free plan of 10 reports a day; its SEO plan costs $139 a month. Ahrefs Keywords Explorer is a close second, with Lite at $129 a month and a $29 Starter tier.
+Which keyword tool is best for finding low difficulty keywords?
KWFinder is designed around long tail keywords with low SEO difficulty, and LowFruits checks the live results for weak, low authority sites. Ahrefs also lets you filter by Keyword Difficulty, which it bases on backlinks to the top-ranking pages.
+Is there a free keyword research tool?
Google Keyword Planner is free with a Google Ads account. Semrush has a free plan with 10 reports a day, KWFinder gives 5 lookups per 24 hours, AnswerThePublic has free daily searches, and Keywords Everywhere's free features need no sign up.
+What is the cheapest paid keyword research tool?
Keywords Everywhere Bronze costs $7 a month billed annually, or $84 a year, for 100,000 credits. AnswerThePublic Starter is US$20 a month, LowFruits Standard is $29.90 a month, and Ahrefs Starter and Ubersuggest start at $29.
+Is Google Keyword Planner enough for content marketing?
It is a good free source of search estimates, but it is built for advertisers. Its competition metric describes ads, not organic ranking difficulty, so pair it with a tool such as KWFinder, Ahrefs or LowFruits before choosing topics.
+Semrush or Ahrefs for keyword research?
Choose Semrush if you want topic clusters and keyword gap reports on the entry SEO plan. Choose Ahrefs if you prefer a backlink-based difficulty score with Traffic Potential and Parent Topic, and note that its keyword clusters need the $249 Standard plan.
About this list
Updated November 9, 2026 by the Mojolin research desk. Mojolin is self-funded
Questions or corrections: editorial@mojolin.com
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