Head-to-head
PostHog vs Similarweb
Two leading analytics tools, compared on pricing, features, and editorial fit. Updated for 2026.
Similarweb
Digital data intelligence for web, app, and AI search competitive insights
From $125/mo
Visit SimilarwebAt a glance
| PostHog | Similarweb | |
|---|---|---|
| Tagline | The product OS for developers. | Digital data intelligence for web, app, and AI search competitive insights |
| Pricing model | Freemium | Paid |
| Starts at | Free | $125/mo |
| Founded | 2020 | — |
| AI-native | ||
| Categories | Analytics | Paid Ads, Analytics, SEO |
| Vendor claimed |
Quick take
Pick PostHog if you need the product os for developers. Pick Similarweb if you need digital data intelligence for web, app, and ai search competitive insights.
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Frequently asked
- Is PostHog better than Similarweb?
- It depends on your use case. PostHog is the product os for developers, while Similarweb is digital data intelligence for web, app, and ai search competitive insights. See the comparison above for which fits your team.
- What's the price difference between PostHog and Similarweb?
- PostHog starts at Free. Similarweb starts at $125/mo.
- Can I migrate from PostHog to Similarweb?
- Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.