AmplitudeMake every release smarter than the last.

SimilarwebAI-powered digital data intelligence for market, competitive and consumer insights.

Comparison · Web Analytics · weekly run Nov 2

Amplitude vs Similarweb

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

The short answer

Amplitude is the stronger AI pick in Web Analytics: it has a visibility score of 30.9 versus 7.2 for Similarweb, and ranks ahead in 80% of the answers that name both.

Choose Amplitude if…

You want the brand AI engines rank higher (30.9 vs 7.2)
You want a free plan to start
AI answers describe it more positively (47% vs 0% positive)
You need SOC 2 Type II or ISO 27001 or ISO 27017 or ISO 27018 or GDPR or CCPA or HIPAA or EU-US Data Privacy Framework (self-certified) coverage

Choose Similarweb if…

You need ISO/IEC 27001:2022 or SOC 2 Type 2 or SOC 3 coverage
You prefer a larger, established vendor (1,001–5,000 employees)
Flat tiers pricing suits your budget better than usage-based
competitive web traffic analysis and market intelligence

AI visibility side by side

Latest weekly run · Nov 2

Metric	Amplitude	Similarweb
Visibility score	30.9%	7.2%
Change vs last week	New	New
Rank in Web Analytics	#4	#12
Share of voice	9.1%	2.5%
Mentions this run	44	13
Positive in AI answers	47%	0%

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

Visibility score trend

Weekly runs over the last 60 days

Amplitude 0pp · Similarweb 0pp over 0 weekly runs.

Engine by engine

Amplitude leads on 3 of 3 engines

ChatGPT

20.7%

3.1%

AI Mode

35%

5.2%

Perplexity

37%

13.2%

AmplitudeSimilarweb

Head to head in AI answers

10 engine answers name both brands

8Amplitude ranked higher

2Similarweb ranked higher

Prompt	Engine	Amplitude	Similarweb
How do I choose a web analytics tool for a mid-market team?	Perplexity	#3	#9
What are the best Web Analytics tools in 2026?	Perplexity	#4	#11
Compare the leading Web Analytics platforms	Perplexity	#4	#12
Which web analytics tool has the best reviews?	Perplexity	#3	#6
Best web analytics tool with AI features	AI Mode	#1	#4
Which web analytics tool offers a free trial?	AI Mode	#5	#4
Which web analytics tool offers a free trial?	Perplexity	#7	#4
Which Web Analytics tools offer annual discounts?	Perplexity	#7	#11
Official website of the top web analytics tool vendors	AI Mode	#4	#7
Official website of the top web analytics tool vendors	Perplexity	#5	#14

Features, pricing & fit

Dimension	Amplitude	Similarweb
Pricing model	Usage-based	Flat tiers
Entry price	Contact sales	Contact sales
Free plan	Yes	No
Deployment	Cloud-hosted on AWS, with US and EU data centers.	—
Integrations	159+	—
Compliance	SOC 2 Type II, ISO 27001, ISO 27017, ISO 27018, GDPR, CCPA, HIPAA, EU-US Data Privacy Framework (self-certified)	ISO/IEC 27001:2022, SOC 2 Type 2, SOC 3
Support	Online support, Access to community and education resources, Customer success and assigned account manager on Enterprise, Professional services	Email support (support@similarweb.com), Dedicated enterprise support, Sales chat
Founded	2012	2009
Headquarters	San Francisco, California, US	New York, NY, United States
Employees	501–1,000	1,001–5,000
Funding	Series C · $336M raised	IPO (NYSE) · $240M raised
Best for	Product teams that want analytics, experimentation and AI-driven insights in one platform, from early-stage startups on the free plan to large enterprises.	Marketers, researchers, and SEO and PPC teams