Semrush
Semrush is the only major SEO platform that treats paid search as a first-class data set — competitor Google Ads copy, keyword bids, and spend estimates sit alongside organic data in one subscription. Essential in this category.
The take
What is Semrush?
Semrush is an all-in-one SEO and digital marketing platform that combines keyword research, rank tracking, competitor analysis, technical audits, and paid search intelligence in one subscription. Its defining strength is treating paid search as a first-class data set alongside organic SEO.
Domain Overview shows any site’s traffic, top keywords, and backlinks. Position Tracking monitors daily rankings. Advertising Research surfaces competitor Google Ads copy and estimated spend — data that organic-only tools do not provide.
Semrush anchors the SEO tools we cover alongside Ahrefs. It connects to Google Search Console for verified search data and to Google Analytics for traffic context. For teams running organic and paid search from the same desk, Semrush is the default platform.
How does Semrush work?
Semrush crawls the web and maintains its own keyword and backlink databases. When you query a domain or keyword, Semrush returns data from those databases instantly rather than running a live search. The platform organizes work into projects, each tied to a domain you manage and track over time.
Keyword and competitor research
Enter a seed keyword and Semrush returns thousands of variations grouped by topic, with search volume, difficulty (0–100), and intent tags.
Advertising Research
Advertising Research is Semrush’s clearest advantage. It estimates a competitor’s Google Ads spend, lists the keywords they bid on, and shows the live ad copy they run. This lets a paid search manager benchmark a competitor’s strategy and harvest keyword ideas without guessing. No backlink-focused tool offers this depth of paid-search data.
Site Audit and content tools
The content toolkit adds topic research, an SEO writing assistant that scores drafts against ranking pages, and a brand monitoring tracker. Together these cover the full content production loop inside one platform.
How does Semrush compare to Ahrefs and Ubersuggest?
Semrush leads on combined SEO plus PPC data and content workflow breadth. Ahrefs leads on backlink index size and freshness for link building. Ubersuggest is the low-cost entry point for keyword research without professional depth. The table below shows the trade-offs.
| Attribute | Semrush | Ahrefs | Ubersuggest |
|---|---|---|---|
| Best for | Combined SEO + PPC, content | Link building, backlink research | Budget keyword research |
| PPC / ad data | Comprehensive (best) | Limited | Basic |
| Free tier | Yes | Yes | Yes |
| 80/20 verdict | Pick when running SEO + paid search | Pick for link building | Pick for solo budget research |
Who uses Semrush in 2026?
Marketing teams that run both organic and paid channels use Semrush as their single source of search data — tracking rankings, auditing sites, and pulling competitor ad intelligence in one place. Agencies use it heavily for client reporting, with white-label PDF exports and per-client projects.
The common profile: a team where SEO and Google Ads are both ongoing channels, not a side project. For those teams, the cross-channel data justifies the price. A solo blogger doing occasional keyword research will overpay — Ubersuggest or free Google Search Console data covers that need at a fraction of the cost.
How much does Semrush cost?
Semrush has a free plan. Paid plans start at $117.33 per month, per Semrush’s official pricing page as of October 3, 2026. Semrush offers a 7-day free trial on paid tiers; additional users start at $45/mo.
| Plan | Price (as captured) | Notes |
|---|---|---|
| Free | $0/mo | For trying out the platform; no credit card |
| SEO | $117.33/mo | Billed annually ($139 monthly) |
| SEO + AI Search (Starter) | $165.17/mo | Billed annually ($199 monthly) |
| SEO + AI Search (mid tier) | $248.17/mo | Billed annually ($299 monthly) |
| Advanced SEO + AI Search | $455.67/mo | Billed annually ($549 monthly); API access |
Prices as captured from Semrush’s pricing page on October 3, 2026. Vendors change pricing often, so check the live page before you buy.
Semrush now sells a unified “SEO + AI Search” lineup.
When should you skip Semrush?
Semrush is the wrong choice in these situations. Use the listed alternative instead.
- You only run SEO, never paid search. Semrush’s biggest advantage is its advertising data. If you never touch Google Ads, you are paying for a toolkit you will not use — a leaner platform fits better.
How we evaluated Semrush
Every fact on this page (pricing, plans, free-tier status and features) was captured from Semrush’s official pages (about, home, integrations, pricing) on October 3, 2026 and checked against that capture before publishing. Claims we could not confirm on those pages were removed rather than guessed. The verdict and the when-to-use guidance are Marcus Reed’s editorial judgment. See our evaluation methodology for how we score tools.
Strengths & trade-offs
What earns the score
- The strongest combined SEO and PPC platform — covers both in one subscription
- Advertising Research reveals competitor ad copy and estimated paid spend
- Position Tracking and reporting are agency-friendly with white-label exports
- Large feature surface covers technical audits, content, social, and local SEO
Where it falls short
- Backlink index is smaller and slower-updating than Ahrefs for link building
- Steep learning curve — the toolkit is broad and the UI is dense
- Add-ons for local SEO and agency tools raise the real monthly cost quickly
How it compares
| Tool | Score | Tier | From |
|---|---|---|---|
 Ahrefs | 92 | Essential | $129/mo |
| Semrush | 87 | Essential | $117.33/mo |
 Ubersuggest | 70 | Strong | $16/mo |
Frequently asked questions
Is Semrush better than Ahrefs?
Neither is strictly better — they optimize for different work. Semrush wins for teams running SEO and paid search together, with deeper Google Ads intelligence and a broader content toolkit. Ahrefs wins for link building, with a larger and faster-updating backlink index. Teams focused on backlinks pick Ahrefs; teams managing both organic and paid pick Semrush.
Does Semrush have a free version?
Semrush does not offer a permanent paid-tier replacement for free. Cancel anytime'), and Semrush also publishes a set of limited free tools. For ongoing keyword research without paying, Ubersuggest or Google Search Console's own data is a more practical free starting point.
Is Semrush good for small businesses?
Semrush works for small businesses that run both SEO and Google Ads, but the $117.33 entry SEO plan is a significant cost for a solo operator. Small teams doing occasional keyword research without paid search will get more value from a cheaper tool. The platform's depth pays off when SEO and PPC are core, ongoing channels.