Semrush vs SE Ranking: which SEO tool fits you?

Semrush and SE Ranking are both all-in-one SEO platforms that cover keyword research, rank tracking, site audits and backlink analysis, and both now offer AI search tools. Semrush has the bigger database and more specialised tools, while SE Ranking is the lighter option, and an experienced reviewer says it is the better fit if budget decides. Which is right depends on how much depth you need and how many sites you manage.

Updated: November 2026

The short version

SEO tools answer practical questions. Which words do people type into Google? Where does my page rank for them? What is broken on my site? Who links to me and to my competitors? Semrush and SE Ranking both answer all four, and for the basics they are closer than their reputations suggest.

The differences show up in the details. This guide leans on a detailed side-by-side review by an SEO writer at Exploding Topics, “SE Ranking vs. Semrush”, last updated in January 2026. The reviewer says she has used both tools extensively over five years. Her overall view is that both are strong options, but that Semrush comes out ahead in a few key areas. It is one person's experience, so treat the verdicts as one informed opinion. I have not run my own tests of either product, so everything below is attributed to that review.

Two terms you will see often. A SERP is a search engine results page, the list Google shows you after a query. Backlinks are links from other websites to yours, which search engines treat as a signal of trust.

Keyword research: size of the database versus ease of use

Keyword research is where the two tools differ most visibly. According to the review, the Semrush database holds 26.6 billion keywords, while SE Ranking holds 4.9 billion. A bigger database means you are more likely to find data for an obscure or very specific search term, and the reviewer says she rarely has to refresh Semrush data because a lot of information appears for almost any keyword she enters.

SE Ranking is not empty-handed, though. The reviewer says its database is smaller but "gets the job done": it found almost every keyword she wanted to research, and she liked its keyword list builder visually. It offers two main tools here: a core keyword tool with search volume, competition and pay-per-click (PPC) cost, plus a keyword grouper that sorts terms into clusters of similar ones.

Semrush splits the job into five tools, according to the review:

• Keyword Overview: essential metrics for any term, with adjusted difficulty and position projections for a domain.
• Keyword Magic Tool: suggestions filtered by SERP feature, query type and goals.
• Position Tracking: monitors ranking changes, including for specific ChatGPT queries.
• Keyword Strategy Builder: Semrush's keyword clustering tool. The reviewer says she can get several complete content clusters in 15 minutes or less.
• Organic Traffic Insights: connects Google Analytics and Google Search Console to show which terms drive traffic.

Her advice: choose SE Ranking if it fits your budget best, and Semrush if you plan to produce a lot of SEO content, since the Keyword Strategy Builder smooths that process.

Rank tracking and competitor research

Both platforms include a keyword rank tracker. Competitor research is also very similar: after you enter a domain you see how trustworthy the site looks, monthly organic traffic, organic and paid keywords, traffic changes over time, top organic competitors and the sites linking to it.

The notable gap is history. The review says SE Ranking's historical domain data goes back to 2020, while Semrush shows traffic changes dating back to 2012 in her example. If you analyse long-term trends of a competitor, such as how it behaved through past Google updates, that extra depth matters. If you mostly care about the last few years, it probably does not; the reviewer herself suggests SE Ranking if you don't need highly detailed historical data.

On the AI side of tracking, the review says SE Ranking offers AI Overview rank tracking (Google's AI-written summaries at the top of results), and that Semrush can track a site's position for ChatGPT responses. More on that below.

Site audits and technical SEO

A site audit crawls your website and lists technical problems: broken links, slow pages, missing tags and similar issues. The review calls the two tools equally good here. SE Ranking gives a detailed snapshot of errors, warnings and notices in a neatly laid-out, easy-to-digest report. Semrush's report is very similar, with an intuitively categorised overview of technical health.

The differences are small and partly a matter of taste. The reviewer prefers Semrush's horizontal tabs for moving around the report and calls SE Ranking's sidebar menu quite cluttered. SE Ranking has a SERP Analyzer, a visual aid for spotting ranking correlations among top pages for a keyword. She adds a fair caution: such correlations do not always exist given how complex modern Google search is, so do not over-read them.

Semrush has a feature of its own, which the review presents as unique among the two: a Log File Analyzer, which shows how real crawlers behave on your site and where your crawl budget (the number of pages crawlers spend time on) goes. The reviewer argues it matters more as AI-first search spreads, because sites that are more accessible to crawlers may earn better AI citations.

Backlinks and local SEO

Both tools let you check your site's backlink profile and look for backlink gaps against a competitor, meaning sites that link to them but not to you. The review says SE Ranking does this solidly, and recommends it if you mainly want to monitor backlink health or watch a competitor's links.

Semrush goes a step further with a Link Building Tool that finds backlink prospects, with contact information. If your job is to win new links, not just audit existing ones, that is a real advantage, especially for niche products where you do not know where to start.

Local SEO tools are similar. According to the review, both let you check local and Google Maps rankings, update listings in online directories, manage reviews, improve your Google Business Profile and schedule posts. In both tools you can add them to any plan, and Semrush also lets you subscribe to them as a standalone service, useful if local SEO is all you need.

AI features: writing help and AI search visibility

“AI” covers two different things in these products. The first is help with writing and content. The review describes the SE Ranking content marketing tool, available as an add-on to any plan, as at heart a content briefing tool. It scans your text and suggests semantic keywords (related terms that signal topic coverage) and optimisations. The reviewer found it works best if you build a brief, save it and share it with a writer, but disliked the amount of set-up: adding target links, adding and removing keywords and more. Some content managers may like that control.

Semrush's SEO Writing Assistant is built for feedback while you write. You enter one or two keywords, it generates a list of semantic terms, then it scores your text and suggests improvements. Per the review, on the Guru and Business plans the content marketing tools are included at no extra cost. Neither description in the review is about generating whole articles; both are optimisation aids. Treat any AI-drafted text as a first draft that needs human editing and fact-checking.

The second area is AI search visibility: measuring whether your brand appears in answers from tools like ChatGPT or Google's AI summaries. The review says both companies have specialised AI SEO tools, a Semrush AI Visibility Toolkit and an SE Ranking AI Search Toolkit, and that Semrush sells a bundle called Semrush One that combines its SEO toolkit with the AI Visibility Toolkit. I have no detail on how the two toolkits compare feature by feature, so check their current pages. The topic matters, as discussed in our pieces on ChatGPT Search's share of Google's volume and on how Google's AI search is reshaping publishing, and in our guide to Perplexity vs Google AI Mode. Keep in mind that AI answers vary from run to run, so any visibility score is an estimate, not a fixed ranking.

Data for Spain and Latin America

This is the one criterion where I cannot give you a confident answer. The review I relied on does not break down data coverage by country, so I cannot say how many keywords or how fresh the data is for Spain, Mexico, Argentina, Colombia or Chile in either tool. Do not assume that the global database sizes above carry over equally to Spanish-language searches.

My practical suggestion, framed as my opinion: before paying, run the same ten to twenty keywords in both tools, for your country and language, and compare. Check whether volumes exist for long-tail Spanish terms, whether the tool lets you choose country and city for rank tracking, and whether results look plausible against your own Google Search Console data. A free plan or trial makes that easy. The review points to a free Semrush plan and mentions none for SE Ranking, so Semrush is the easier one to try at no cost; check each provider's site for current trial offers.

Ease of use, plans and limits

On usability the review gives no clear winner. The reviewer finds Semrush's audit navigation easier, and SE Ranking's content tool fiddly, but also its keyword list tool pleasant and its customer support always very helpful. Semrush is the bigger platform with more tools, which usually means more menus to learn.

On plans, the review says Semrush offers several set plans with clear allowances: Pro, Guru and Business. SE Ranking lists Essential, Pro and Business tiers. The reviewer calls Semrush expensive and SE Ranking affordable. White-label reports for clients (reports carrying your agency's branding) are available in both, but cost extra. I am not quoting prices here: plan prices, project limits and add-ons change often and I have no official pricing page to cite, so check Semrush and SE Ranking directly and add up the add-ons you actually need. Then compare the cost of the total package, not the headline price.

How to choose and get started

Start from your real tasks, not the feature lists. Write down the three jobs you do most often: for example, tracking 50 keywords, auditing one site monthly and sending a client report. Then check which plan covers them, including add-ons.

1. Test with your own market. Run the same keywords and domains in both tools and compare against Search Console.
2. Count the add-ons. Local SEO, content tools and white-label reporting may cost extra in either tool.
3. Check the AI toolkits separately. They are distinct products from the core SEO plans, so confirm what is included.
4. Commit monthly first. If a monthly option exists, use it for a few months before an annual commitment.

Limits and risks of both tools

No SEO tool gives you true Google data. Search volumes, difficulty scores and traffic estimates are modelled, and two tools will show different numbers for the same keyword. Use them to compare and prioritise, not as exact measurements. Google Search Console remains the reference for your own site.

Second, tools do not replace judgement. A keyword with high volume may bring the wrong audience, and an audit's long list of warnings contains many items that do not matter. Third, AI writing features can push you toward bland, over-optimised text; scoring tools reward including related terms, not being useful. Finally, AI visibility numbers are young metrics, and methods vary between vendors, so avoid promising clients specific results from them.

Verdict by use case

This is my recommendation, based only on the facts above.

• Freelancers on a tight budget: SE Ranking looks like the better starting point, since the review calls it affordable and says its smaller database still gets the job done. If you want to try before paying, Semrush's free plan is worth a look first.
• Small businesses: SE Ranking if you mainly track rankings, run audits and monitor backlinks. Semrush if you also want link prospecting or help producing a lot of content.
• Content-heavy sites and writers: Semrush, thanks to the Keyword Strategy Builder and the live-feedback SEO Writing Assistant. SE Ranking suits teams that hand briefs to writers.
• Link builders: Semrush, because of its prospecting tool with contact details.
• Agencies: both offer client reports and white-labelling at extra cost. Semrush's deeper history, Log File Analyzer and standalone local SEO suit complex clients; SE Ranking suits agencies watching margins. Price out the full package for your client count.
• Spain and Latin America: no clear winner from the evidence I have. Test both on your target countries.

Frequently asked questions

Is Semrush better than SE Ranking?

It depends on what you value. The review finds Semrush stronger in database size, historical data, link prospecting and writing feedback, while SE Ranking wins on affordability and is equal in site audits. For many basic tasks the difference is small.

Is there a free version of either tool?

According to the review, there is a free Semrush plan; it mentions none for SE Ranking. Offers and trials change, so check each provider's site.

Do they track visibility in AI search?

Yes, both have AI search tools. The review mentions SE Ranking tracking AI Overviews and Semrush tracking ChatGPT response positions, plus dedicated toolkits from each. Treat the scores as estimates.

Can I use them for Spanish-language SEO?

Both can be tested for it, but I could not confirm country-level data quality for Spain or Latin America from my sources. Compare results for your own keywords and country before paying.