OmniSEO vs SEMrush

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Two SEO tools side by side: what each does, what it costs and who it suits.

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The verdict Side by side Plans and pricing Who each is for Other options

The verdict

On the data we hold, SEMrush comes out ahead. Here is why, point by point.

What the data says

Both have a free plan, so you can try each before you pay.
Only SEMrush has an MCP server, so an AI employee can work in it directly.
In our SEO ranking, SEMrush places 3 and OmniSEO 14 of 15.

Side by side

OmniSEO and SEMrush compared
At a glance	OMOmniSEO	SEMrush
Starts at	$74.17/mo	€112.52/mo
Free plan	Yes	Yes
API	No	Yes
MCP server	No	Yes
Links	Visit	Visit

Plans and pricing

OmniSEO

EssentialsSmall teams tracking early AI visibility$89/mo
ProfessionalAgencies needing CSV/PDF exports$349/mo
EnterpriseLarge orgs requiring multi-brand support$899/mo

SEMrush

FreeFor trying the platform: 1 demo project and 10 reports per day, no credit card.Free
SEO5 websites and 500 keywords tracked daily; EUR 134 monthly or EUR 112.52 per month billed annually.€134/mo
Starter (SEO + AI Search)Adds AI visibility tracking (50 prompts) and MCP access; EUR 190 monthly or EUR 158.40 per month billed annually.€190/mo
Pro+ (SEO + AI Search)15 websites, 1,500 keywords, 100 prompts; EUR 286 monthly or EUR 238 per month billed annually.€286/mo
Advanced (SEO + AI Search)40 websites, 5,000 keywords, API data integration; EUR 526 monthly or EUR 436.99 per month billed annually.€526/mo

Prices as the vendors list them. They change often; the final price is on their sites.

Who each is for

Choose OmniSEO if…

We haven't written up who OmniSEO suits yet.

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Choose SEMrush if…

Marketing teams, agencies and growth marketers who want keyword research, backlink analysis, site audits, rank tracking and now AI search visibility in one subscription.

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Other options worth a look

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SurferSEO
Optimise your content in real time with recommendations based on top-ranking search results.
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From €49/mo yearlyAffiliate link
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Ahrefs
Combines backlink analysis, keyword research, rank tracking and technical audits built on an extensive web index.
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From €27/moFree plan
Sign up on Ahrefs
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Frase
Research competitors, draft long-form content and optimise it for Google and generative search.
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From $39/mo yearly
Sign up on Frase
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Otterly.AI
Monitor how your brand appears inside AI search results across ChatGPT, Perplexity, Google AI and Copilot.
SEO
From $25/mo yearly
Sign up on Otterly.AI
ToolClient acquisition
Semrush AI Toolkit
Track how your brand appears in AI search answers and measure your share of voice.
SEO
From €94.94/moAffiliate link
Sign up on Semrush AI Toolkit
ToolClient acquisition
Profound
Tracks how AI assistants describe your brand and recommends content changes to improve those answers.
SEO
Free plan
Sign up on Profound