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Most buyers should pick Semrush.
Pick Semrush if you want an SEO and AI-visibility toolkit at a lower listed starting price: $117.33/month billed annually, plus a free plan. Choose Similarweb when market, audience, app, retail or sales intelligence matters alongside SEO; its listed annual starting price is $125/month. Similarweb's entry plans include one user, while Semrush lists additional users from $45/month. The better fit depends on whether you need SEO workflows or broader digital intelligence.
01Side by side
| Similarweb | Semrush | |
|---|---|---|
| Starting price | $125/month billed annually; $199 monthly | $117.33/month billed annually; $139 monthly |
| Free plan | No free plan listed; 7-day trial | Free plan with 1 demo project |
| Best for | Market, audience, app and competitor intelligence | SEO and AI-search visibility workflows |
| Core strength | Website, app, retail and sales intelligence | Keywords, backlinks, rankings and content tools |
| Learning curve | Ease-of-use review score: 6.5/10 | Ease-of-use review score: 7/10 |
| Integrations/data | APIs, data feeds and data partnerships | MCP access; API on custom plans |
| Team/seat costs | Entry plans include 1 user; enterprise seats custom | Additional users start at $45/month |
| Support | Review support score: 5/10 | Review support score: 3.8/10 |
Similarweb Choose Similarweb if
- Choose Similarweb if market and audience benchmarking matter.
- Choose Similarweb if app, retail or sales intelligence is in scope.
- Choose Similarweb if API and data-feed access fits a custom plan.
Semrush Choose Semrush if
- Choose Semrush if you want a free plan to start.
- Choose Semrush if SEO research, tracking and audits are the priority.
- Choose Semrush if a lower listed annual starting price matters.
02Pricing compared
Semrush has the lower listed starting price: $117.33 per month when billed annually, versus Similarweb at $125. Semrush also has a free plan with one demo project and 10 reports per day; Similarweb lists no free plan, but offers a seven-day trial. Month to month, Semrush’s SEO plan is $139 and Similarweb’s Competitive Intelligence plan is $199.
Check seat and usage limits before comparing totals. Similarweb’s listed plans include one user, and its SEO and AEO plan costs $333 per month annually with 150 tracked AI prompts and 100 data credits. Semrush Starter is $165.17 per month annually, with five websites, 500 daily tracked keywords and 50 daily prompts. Semrush additional users start at $45 per month. Enterprise pricing for both is custom.
03Features and depth
These tools overlap on competitor and search research, but they are not direct substitutes. Semrush is the more SEO-centered option: its listed tools cover keyword research, backlinks, rank tracking, content optimization and technical audits. It also tracks AI visibility. Its homepage says its keyword database covers 29 billion keywords and its backlink database 43 trillion links.
Similarweb is broader digital intelligence. Alongside website, market and audience research, it covers app performance, sales intelligence, retail analytics and data services such as APIs. Its SEO and AEO plan includes six months of historical data and 150 tracked AI prompts; the entry Competitive Intelligence plan has three months of history and 100 data credits. Semrush Starter includes SEO and AI tools, with 50 prompts tracked daily, while Pro+ raises that to 100. Pick Semrush for defined SEO workflows; pick Similarweb when app, retail, audience or sales data belongs in the same research stack.
04Ease of use and learning curve
The available details do not establish how quickly a new user can learn either interface, so we would not treat a usability verdict as settled. Our review scores put Semrush slightly ahead for ease of use, at 7 versus Similarweb’s 6.5.
The more practical onboarding difference is scope. Semrush’s free plan offers a way to try basic tools, though it is capped at one demo project and 10 reports per day. Similarweb has a seven-day trial, and its paid entry plan includes one user. Both products span multiple workflows, so teams should confirm which tools and data limits they need before switching.
Questions people ask
Is Similarweb an Israeli company?
The published material for this comparison does not establish Similarweb’s country of origin, so we can’t confirm whether it is an Israeli company from these details. Check the company’s official corporate or legal information for a reliable answer.
Who are Semrush’s biggest competitors?
The published material does not name or rank Semrush’s biggest competitors. Similarweb is one relevant alternative for teams comparing SEO with broader market and audience intelligence, but this comparison alone does not establish a definitive competitor list.
Who are Similarweb’s main competitors?
The published material does not identify or rank Similarweb’s main competitors. Semrush overlaps with Similarweb on competitor research and SEO, but Semrush is more focused on SEO workflows while Similarweb also covers app, retail, audience and sales intelligence.
Is Semrush really worth it?
It may be worth the price if you need its SEO and AI visibility workflows: the annual SEO plan is listed at $117.33 per month and includes five websites and 500 daily tracked keywords. The free plan is limited, and added users cost from $45 monthly.