Semrush vs SEoptimer

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Semrush is the stronger AI pick in SEO Tools: it has a visibility score of 64.3 versus 2.3 for SEoptimer, and ranks ahead in 100% of the answers that name both.

Choose Semrush if…

You want the brand AI engines rank higher (64.3 vs 2.3)
You prefer a larger, established vendor (1,001–5,000 employees)
Widely recommended as a top-tier all-in-one platform for broad suites
Strong keyword research, competitor analysis, and site auditing

Choose SEoptimer if…

Low, predictable entry costs for DIY users
Fast, actionable SEO audit recommendations
Easy for non-technical teams to understand

AI visibility side by side

Latest weekly run · Nov 2

Metric	Semrush	SEoptimer
Visibility score	64.3%	2.3%
Change vs last week	New	New
Rank in SEO Tools	#1	#25
Share of voice	12.3%	0.6%
Mentions this run	63	3
Positive in AI answers	49%	—

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

Semrush 0pp · SEoptimer 0pp over 0 weekly runs.

Engine by engine

Semrush leads on 3 of 3 engines

ChatGPT

77%

AI Mode

64.3%

4.3%

Perplexity

51.7%

2.6%

SemrushSEoptimer

Head to head in AI answers

1 engine answers name both brands

1Semrush ranked higher

0SEoptimer ranked higher

Prompt	Engine	Semrush	SEoptimer
What are the best SEO Tools tools in 2026?	AI Mode	#1	#5

Features, pricing & fit

Dimension	Semrush	SEoptimer
Pricing model	Flat tiers	—
Entry price	Free; paid from $139 / mo	—
Free plan	Yes	—
Deployment	—	Cloud-based
Support	Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager	—
Founded	2008	—
Headquarters	Boston, MA	Singapore
Employees	1,001–5,000	1–10
Funding	IPO	—
Best for	Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams.	Marketers and agencies that need SEO audits and branded client reports.