HeapBetter Insights. Faster.
vs
SimilarwebAI-powered digital data intelligence for market, competitive and consumer insights.
Comparison · Web Analytics · weekly run Nov 2
Heap vs Similarweb
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Similarweb is the stronger AI pick in Web Analytics: it has a visibility score of 7.2 versus 3.3 for Heap, and ranks ahead in 25% of the answers that name both.
Choose Heap if…
- You want a free plan to start
- AI answers describe it more positively (15% vs 0% positive)
- You need SOC 2 Type II or GDPR compliant or CCPA compliant or ISO 27001 or ISO 27701 or ISO 27017 or ISO 27018 coverage
- Usage-based pricing suits your budget better than flat tiers
Choose Similarweb if…
- You want the brand AI engines rank higher (7.2 vs 3.3)
- You need ISO/IEC 27001:2022 or SOC 2 Type 2 or SOC 3 coverage
- 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 | Heap | Similarweb |
|---|---|---|
| Visibility score | 3.3% | 7.2% |
| Change vs last week | New | New |
| Rank in Web Analytics | #20 | #12 |
| Share of voice | 1.8% | 2.5% |
| Mentions this run | 9 | 13 |
| Positive in AI answers | 15% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Heap 0pp · Similarweb 0pp over 0 weekly runs.
Engine by engine
Similarweb leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
HeapSimilarweb
Head to head in AI answers
4 engine answers name both brands
3Heap ranked higher
1Similarweb ranked higher
| Prompt | Engine | Heap | Similarweb |
|---|---|---|---|
| What are the best Web Analytics tools in 2026? | Perplexity | #12 | #11 |
| Compare the leading Web Analytics platforms | Perplexity | #6 | #12 |
| Which Web Analytics tools offer annual discounts? | Perplexity | #8 | #11 |
| Official website of the top web analytics tool vendors | Perplexity | #10 | #14 |
Features, pricing & fit
| Dimension | Heap | Similarweb |
|---|---|---|
| Pricing model | Usage-based | Flat tiers |
| Entry price | Contact sales | Contact sales |
| Free plan | Yes | No |
| Deployment | Cloud-based; deployment starts by installing a free tracking snippet on the site | — |
| Integrations | 100+ | — |
| Compliance | SOC 2 Type II, GDPR compliant, CCPA compliant, ISO 27001, ISO 27701, ISO 27017, ISO 27018 | ISO/IEC 27001:2022, SOC 2 Type 2, SOC 3 |
| Support | Email support, Standard support, Dedicated customer success manager (Premier), Heap Community | Email support (support@similarweb.com), Dedicated enterprise support, Sales chat |
| Founded | — | 2009 |
| Headquarters | — | New York, NY, United States |
| Employees | — | 1,001–5,000 |
| Funding | Series D · $205M raised | IPO (NYSE) · $240M raised |
| Best for | Product and growth teams that want complete user behavior data without engineering-led event tagging | Marketers, researchers, and SEO and PPC teams |
Plans side by side
Heap
Free$0month, up to 10k monthly sessions
GrowthCustomestimate after installing snippet
ProCustomcustom session pricing
PremierCustomcustom session pricing
Pros and cons
Themes from the AI answers that mention each brand
Heap
- Automatic event capture (autocapture)
- Retroactive analysis without a predefined tracking plan
- Reduced manual instrumentation and faster implementation
- Links product analytics with UX and digital-experience analytics
- Free tier available
- Paid pricing largely quote-based, not published
- Free plan limited to about 10,000 monthly sessions
Similarweb
- competitive web traffic analysis and market intelligence
- cross-domain traffic sourcing and market share benchmarking
- competitor benchmarking and market research
- free trial and limited free version
- not suited to precise first-party conversion measurement
- ranked behind Google Analytics and Amplitude in one comparison
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Heap vs Similarweb”, https://slateindex.ai/compare/heap-vs-similarweb, data of Nov 2, 2026. Licence: CC BY 4.0.