Competitor keyword research tools: what they can and cannot show you
No free Google tool will show you someone else's keywords. What the paid tools reconstruct instead, how they do it, and which entry plans include competitor data.
The short version
Competitor keyword research is the single clearest reason to pay for a tool, because no free Google product will ever show you someone else's data. Search Console covers only sites you have verified; Keyword Planner has no competitor view at all.
What a paid tool sells you is a reconstruction. It keeps its own index of search results, finds which pages of a domain appear for which terms, and attaches its own volume estimate to each. It is not the competitor's analytics — it is an outside observer's best model of them.
What the reconstruction can actually see
A competitor keyword report typically gives you the terms a domain appears for, the position it holds, an estimated volume for each term and an estimate of the traffic that position might produce. That is enough to answer the three questions worth asking: what are they covering that I am not, where are they weak, and what kind of page do they use for this topic.
What it cannot see is everything that happens after the click. It does not know their conversion rate, their revenue, which pages they are actually investing in, or which of those rankings arrived by accident. A competitor with a hundred rankings you lack may be doing beautifully or may have published a hundred pages that earn nothing.
How the entry plans compare on competitor data
Competitor keyword data on each tool's entry plan, read 24 September 2026
| Tool | Entry plan | Price a month | What the entry plan gives you |
|---|---|---|---|
| Mangools KWFinder | Basic | $30.50 | Search by domain as well as by keyword; the free account allows 5 competitor keywords per lookup |
| SE Ranking Keyword Tool | Core | $129.00 | Unlimited keyword, competitor and backlink research, plus organic SERP and ads history |
| Ubersuggest | Individual | $12.00 | 5 competitors per project; 10 on Business, 15 on Enterprise |
| Ahrefs Keywords Explorer | Starter | $29.00 | Described by Ahrefs as "see what people search and spy on competitors", on 200 credits a month |
| Google tools | Free | $0 | Nothing at all — no competitor view exists in Search Console or Keyword Planner |
Mangools KWFinder
- Entry plan
- Basic
- Price a month
- $30.50
- What the entry plan gives you
- Search by domain as well as by keyword; the free account allows 5 competitor keywords per lookup
SE Ranking Keyword Tool
- Entry plan
- Core
- Price a month
- $129.00
- What the entry plan gives you
- Unlimited keyword, competitor and backlink research, plus organic SERP and ads history
Ubersuggest
- Entry plan
- Individual
- Price a month
- $12.00
- What the entry plan gives you
- 5 competitors per project; 10 on Business, 15 on Enterprise
Ahrefs Keywords Explorer
- Entry plan
- Starter
- Price a month
- $29.00
- What the entry plan gives you
- Described by Ahrefs as "see what people search and spy on competitors", on 200 credits a month
Google tools
- Entry plan
- Free
- Price a month
- $0
- What the entry plan gives you
- Nothing at all — no competitor view exists in Search Console or Keyword Planner
The cheapest way to look at a competitor at all is Ubersuggest at $12 a month with five competitors per project, though this site carries no link to it because its affiliate terms are password-protected. The most generous is SE Ranking's Core plan, which does not meter research at all.
SE Ranking is the one that stops counting
If competitor work is the bulk of your week, the metering matters more than the headline price. Most tools charge you per lookup, and competitor research is lookup-hungry: one domain analysis, then twenty keyword checks off the back of it, then the same again for the next rival.
SE Ranking's Core plan at $129 a month, or $103.20 prepaid annually, lists "Unlimited keyword, competitor and backlink research" among its included features, alongside organic SERP history and ads history. That is the clearest answer on this site to the daily-cap problem, and it comes with a 14-day trial that asks for no card, which is the cheapest way to find out whether it suits you.
The SE Ranking link is marked sponsored and pays this site a share of what you spend if you subscribe. You pay the vendor’s list price either way, and the share does not move anything up or down these pages. The whole arrangement, written down.
Three different questions people mean by this
"Competitor keyword research" covers three jobs that need different features, and buying for the wrong one is how people end up disappointed by a tool that works fine.
- What do they rank for that I do not? This is a gap report, and it needs two domains compared at once. Most tools offer some version of it.
- What are they ranking for lately? This needs history — a record of positions over time — which is a rank tracking feature rather than a keyword research one, and is usually metered separately.
- What are they spending on ads? This is a different index again. SE Ranking lists ads history on its entry plan; most keyword tools do not cover paid at all.
If your real question is the second one, you are shopping for a rank tracker rather than a keyword tool, and the prices on this site will mislead you.
A method that works with any of them
- Pick three real competitors — sites that appear for the terms you want, not the biggest names in your industry. The biggest names are usually not competing for the same pages.
- Pull their keywords and immediately discard anything branded. A rival's own brand terms are not an opportunity.
- Sort by position, not by volume, and look hardest at where they rank between four and fifteen. Those are contested terms where someone is beatable.
- Open the actual pages. The tool tells you which keywords; only the page tells you what kind of answer wins, and that is the part you have to match.
- Cluster what is left before you plan anything, or you will write five thin pages where one belonged. The clustering tools note covers that step.
Choosing the right three competitors
The most common waste of a competitor report is analysing the wrong sites. People enter the biggest brand in their industry, get five thousand keywords back, and learn nothing they can act on, because that brand is not competing for the pages they can realistically win.
A useful competitor is a site of roughly your size that already appears for terms you want. The quickest way to find three is to search five of your target terms yourself and write down which domains keep reappearing outside the household names. That list is almost always more useful than the one you would have written from memory, and it costs nothing to produce.
The trap in the numbers
Every volume in a competitor report is the same modelled estimate discussed elsewhere on this site, and the traffic estimate on top of it is a second model layered on the first — position multiplied by an assumed click-through rate. Two models stacked is twice the uncertainty, which is why "this page gets 4,000 visits a month" should be read as "this page probably gets meaningful traffic".
Why two tools disagree on the same keyword explains the first layer. If you are still choosing, the eight keyword research tools with their entry prices side by side is the page to compare from.
Questions about competitor keyword tools
Can I see a competitor's keywords for free?
Not properly. Google gives you nothing about anyone else's site: Search Console covers only domains you have verified, and Keyword Planner has no competitor view. Mangools' free account allows 5 competitor keywords per lookup, which is a sample rather than a report. Everything beyond that is a paid feature.
How do these tools know a competitor's keywords?
They keep their own index of search results and record which pages appear where, then attach their own estimated volume to each term. It is an outside reconstruction, not access to the competitor's analytics, so both the keyword list and the traffic estimate are models rather than measurements.
What is the cheapest tool with competitor keywords?
Ubersuggest's Individual plan at $12 a month, which allows five competitors per project. Ahrefs' $29 Starter plan is next, described by Ahrefs itself as letting you "see what people search and spy on competitors". Mangools Basic at $30.50 lets you search by domain as well as by keyword. Prices read 24 September 2026.
Are competitor traffic estimates reliable?
They are estimates built on estimates — a modelled search volume multiplied by an assumed click-through rate for a recorded position. Read them as orders of magnitude. If a tool says a page gets 4,000 visits a month, the safe conclusion is that it gets meaningful traffic, not that it gets four thousand.
How many competitors should I analyse?
Three is usually plenty, and they should be sites that actually appear for the terms you want rather than the biggest brands in your sector. A fourth rarely adds a new idea, and the time is better spent opening the pages you have already found.
Buttons on this page are partner links, marked sponsored. If one turns into a subscription, this site keeps a share of it, and you pay the vendor’s list price either way. Several tools recommended here pay nothing at all, and those are named too — the whole arrangement is on one page.
Picking a tool rather than reading about one? The eight keyword research tools with their entry prices side by side is the page to start from, and what the free tiers actually give you is worth reading first if you have not spent anything yet.