PostHog vs Semrush
A side-by-side look at PostHog and Semrush: what each costs to start, whether there is a free plan, how easy they are to pick up, and which features and integrations they cover.
Which should you choose?
Choose PostHog if
- Startups and product teams that want one tool for analytics, replay and flags
- Engineering-led companies comfortable with events and SQL
- Teams needing EU data hosting for product analytics
Choose Semrush if
- Agencies running SEO and PPC for multiple clients
- In-house marketing teams that need competitor intelligence
- Content teams that want research and optimization in one suite
Cheapest to start
Not comparable
Free plan
PostHog, Semrush
Highest editor rating
Semrush · 4.7
| Compare | PostHog |
|---|---|
| Free plan | Yes |
| Free trial | No |
| Starting price | Pay as you go |
| Editor rating | 4.5 |
| Ease of use | Moderate (3/5) |
| Category | Analytics |
| Pricing model | Free monthly allowance (approximately 1M events, 5,000 recordings and 1M flag requests), then usage-based per-product pricing with volume discounts; Teams add-on approximately $450 per month; Enterprise custom. |
| Plans |
|
| Platforms | Web, API |
| Integrations | HubSpot, Intercom, Salesforce, Slack, Stripe, Zapier |
| Best for |
|
| Pros |
|
| Cons |
|
| A/B testing | Yes |
| AI assistant | No |
| API access | Yes |
| Backlink analysis | No |
| Browser extension | No |
| Competitor analysis | No |
| Content optimization | No |
| Custom event tracking | Yes |
| Feature flags | Yes |
| Forms & surveys | Yes |
| Funnels | Yes |
| GDPR compliance tools | Yes |
| Heatmaps | Yes |
| Keyword research | No |
| Mobile app | No |
| Rank tracking | No |
| Reporting & dashboards | Yes |
| Self-hosting option | Yes |
| Session replay | Yes |
| Site audit | No |
| Webhooks | Yes |
| White-label / custom branding | No |
Common questions
- Does PostHog or Semrush have a free plan?
- Both do. PostHog and Semrush each offer a free tier, so you can try either without paying.
- How long is the PostHog and Semrush free trial?
- Semrush offers a 7-day free trial. PostHog does not offer one.