FullStory vs Semrush

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

The short answer

FullStory is the stronger AI pick in Web Analytics: it has a visibility score of 4.6 versus 2.4 for Semrush, and ranks ahead in 100% of the answers that name both.

Choose FullStory if…

You want the brand AI engines rank higher (4.6 vs 2.4)
You need SOC 2 Type II or SOC 3 or ISO 27001 or ISO 27017 or ISO 27018 or ISO 27701 or ISO 42001 coverage
session replay and UX friction analysis
combines quantitative and qualitative data

Choose Semrush if…

AI answers describe it more positively (49% vs 19% positive)
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

AI visibility side by side

Latest weekly run · Nov 2

Metric	FullStory	Semrush
Visibility score	4.6%	2.4%
Change vs last week	New	New
Rank in Web Analytics	#16	#24
Share of voice	1.8%	0.8%
Mentions this run	10	4
Positive in AI answers	19%	49%

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

Visibility score trend

Weekly runs over the last 60 days

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

Engine by engine

FullStory leads on 2 of 3 engines

ChatGPT

3.3%

AI Mode

1.3%

2.6%

Perplexity

9.1%

4.4%

FullStorySemrush

Head to head in AI answers

2 engine answers name both brands

2FullStory ranked higher

0Semrush ranked higher

Prompt	Engine	FullStory	Semrush
What are the best Web Analytics tools in 2026?	Perplexity	#13	#17
Official website of the top web analytics tool vendors	Perplexity	#8	#15

Features, pricing & fit

Dimension	FullStory	Semrush
Pricing model	Flat tiers	Flat tiers
Entry price	Contact sales	Free; paid from $139 / mo
Free plan	Yes	Yes
Compliance	SOC 2 Type II, SOC 3, ISO 27001, ISO 27017, ISO 27018, ISO 27701, ISO 42001	—
Support	Onboarding with Fullstory specialists, Professional services: Insights+ consulting and Data+ configuration, Advantage Subscription expert guidance	Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager
Founded	2014	2008
Headquarters	Atlanta, GA, United States	Boston, MA
Employees	501–1,000	1,001–5,000
Funding	Series C (one source: $32M led by Stripes)	IPO
Best for	Product, UX, and growth teams	Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams.