Semrush vs Similarweb: pricing, features and which to choose

Semrush is a brand visibility platform made by Semrush, now an Adobe company. The company says it has spent more than 17 years helping marketers scale and grow, which places its founding around 2008, although the cited product pages do not identify a separate launch year for the product. Its core work covers keyword research, competitor analysis, backlink data, rank tracking, technical site audits, content, paid media, social marketing, local search, and AI search visibility. Adobe completed its acquisition on April 28, 2026. The company says Semrush is used by more than 28 million users globally, ranging from scaling startups to Fortune 500 companies. The acquisition moves Semrush from a standalone public company into Adobe's customer experience portfolio, while the product remains aimed at marketers and agencies.

A typical Semrush workflow begins with a domain, project, or competitor. Users can discover keywords, compare competing sites, crawl technical problems, track positions, generate content guidance, and assemble reports for colleagues or clients. The current plans combine SEO with AI visibility, while specialist toolkits cover traffic and market analysis, local marketing, content, social, advertising, and AI public relations. AI visibility features track brand appearances, sentiment, and competitors across Google Search, ChatGPT, Perplexity, and Gemini. Starter includes MCP access and an AI-ready Site Audit. Pro+ adds historical SEO data, content optimization, keyword cannibalization analysis, multi-location tracking, and device tracking. Advanced adds API access, SEO Share of Voice, and deeper automation. Reports can combine Semrush data with Google Analytics and Google Search Console.

Semrush's breadth comes with quotas, separate toolkit purchases, and a configuration burden that may exceed the needs of a small business seeking a basic rank tracker. Its search and AI visibility figures are measurement products, not first-party analytics, and AI appearances cannot guarantee conversions. Ahrefs is a strong alternative for backlink and keyword analysis, Moz Pro focuses on established SEO workflows, and Similarweb emphasizes traffic, audience, and market estimates. Semrush is the better fit for agencies and marketing teams that need SEO, AI visibility, reporting, and specialist tools in one account. Buyers should pick it when cross-channel visibility matters more than a narrow, lower-cost SEO tool.

Founded in 2007 by Or Offer in Tel Aviv, Similarweb is a digital data and analytics company operated by Similarweb Ltd., which trades publicly on the New York Stock Exchange under SMWB. The company reports more than 1,000 employees across six continents and analyzes over 100 million websites, 4 million apps, 235 million product SKUs, 10 years of historical data, 10 billion content pages, 250 million display ads, 5 billion search terms, and more than 20 million companies. Its offerings include software subscriptions, data feeds, and advisory services for marketing, sales, ecommerce, research, investment, and strategy teams. In practice, these products help users compare digital activity, assess markets, identify prospects, and support decisions with measurable online indicators.

Similarweb is a digital analytics platform for comparing estimated activity across websites, apps, keywords, companies, and technologies. Users can examine traffic, engagement, acquisition channels, audiences, search terms, advertising, rankings, referrals, and competitors, with available filters for country, device, timeframe, and segment. Its products cover Web Intelligence, Market Intelligence, App Intelligence, Sales Intelligence, SEO, advertising, generative AI, dashboards, reporting, conversion analysis, and custom data feeds. A limited free service offers high-level data, while listed Web Intelligence plans start at $199 monthly or $1,500 annually for Starter. Higher tiers add historical depth, country filtering, rank and ad tracking, market intelligence, APIs, integrations, security, and custom dashboards. Teams should assess data limits, permitted uses, and integration needs before choosing a plan.

Similarweb’s main weakness is cost, especially for country-level analysis, longer history, backlink research, and larger exports. Its traffic and engagement figures are estimates, so companies should use first-party analytics for sites they own. Semrush, Ahrefs, and SE Ranking offer more conventional SEO workflows, particularly for backlink-focused work. Similarweb covers a wider set of needs, including websites, apps, audiences, advertising, markets, companies, and technologies, which can help teams compare external digital activity and identify shifts across channels. That wider scope may support market planning, sales prospecting, investment analysis, and competitive reviews, but the listed paid plans become expensive as data depth and access increase. Similarweb suits teams that value broad competitor and market intelligence more than a low-cost SEO toolkit, while Semrush, Ahrefs, or SE Ranking fit SEO specialists prioritizing rankings and links.