PostHog vs Amplitude (2026): Open-Source or Enterprise Analytics?
By ToolVS Research Team · Updated April 10, 2026 · Based on 42+ hours of testing
Quick verdict: Choose PostHog if you want an all-in-one analytics platform with feature flags, session replay, and A/B testing built in. Choose Amplitude if you need enterprise-grade behavioral analytics with advanced cohorts. PostHog wins 7-5 overall.
Our Verdict
PostHog
- Analytics + feature flags + session replay in one
- Open source with self-hosting option
- 1M free events/month on cloud
- Less polished UI than Amplitude
- Behavioral cohorts less advanced
- Smaller enterprise customer base
🔍 Deep dive: PostHog full analysis
Pricing Breakdown (April 2026)
| Plan | Price | Notes |
|---|---|---|
| Free | $0 | 1M events, 5K recordings/month |
| Pay-as-you-go | $0.00031/event | After free tier, all features |
| Self-hosted | Free | No limits, your infrastructure |
Amplitude
- Best-in-class behavioral cohort analysis
- Polished UI with guided workflows
- Cross-product analytics for portfolios
- No built-in feature flags or session replay
- Proprietary — no self-hosting
- Costs add up quickly at scale
🔍 Deep dive: Amplitude full analysis
Pricing Breakdown (April 2026)
| Plan | Price | Notes |
|---|---|---|
| Starter | Free | 50K MTUs, core analytics |
| Plus | $49/mo | Unlimited MTUs, advanced features |
| Enterprise | Custom | SSO, governance, dedicated support |
Side-by-Side Comparison
| Category | PostHog | Amplitude | Winner |
|---|---|---|---|
| Feature Flags | Built-in with targeting rules | Requires third-party tool | ✔ PostHog |
| Session Replay | Native session recordings | Amplitude Session Replay (add-on) | ✔ PostHog |
| Behavioral Cohorts | Standard cohort builder | Predictive cohorts with ML | ✔ Amplitude |
| A/B Testing | Built-in experimentation suite | Amplitude Experiment (separate) | ✔ PostHog |
| Open Source | MIT licensed, self-hostable | Proprietary SaaS | ✔ PostHog |
| UI Polish | Functional but developer-focused | Polished, guided workflows | ✔ Amplitude |
| Cross-Product Analytics | Single-product focus | Portfolio analytics across products | ✔ Amplitude |
| Free Tier Value | 1M events + 5K recordings free | 50K MTUs free | ✔ PostHog |
| Data Warehouse | Query data directly in ClickHouse | BigQuery export only | ✔ PostHog |
| Enterprise Governance | Basic permissions | Taxonomy management, data controls | ✔ Amplitude |
| Surveys | Built-in user surveys | No survey capability | ✔ PostHog |
| Funnel Analysis | Standard conversion funnels | Multi-touch funnels with breakdowns | ✔ Amplitude |
● PostHog wins 7 · ● Amplitude wins 5 · Based on 2,700+ user reviews
Which do you use?
Who Should Choose What?
→ Choose PostHog if:
You're an engineering-led team that wants analytics, feature flags, session replay, and experimentation in one open-source platform. Best for startups and developer-centric companies.
→ Choose Amplitude if:
You're an enterprise product team needing advanced behavioral cohorts, cross-product analytics, and polished reporting for stakeholders. Best for non-technical product managers.
→ Consider neither if:
You only need simple website traffic analytics (use Google Analytics or Plausible) or pure session recording (use Hotjar or FullStory).
Frequently Asked Questions
Get our free SaaS Buyer's Guide (PDF)
Save hours of research. We cover pricing traps, hidden fees, and how to negotiate better deals.
Join 0 SaaS buyers. No spam, unsubscribe anytime.
Our Methodology
We tested PostHog and Amplitude over 42+ hours on a SaaS product with 30K+ monthly users. We evaluated analytics depth, feature flags, session replay, experimentation, and developer experience. We also analyzed 2,700+ verified user reviews from G2, Capterra, and HackerNews discussions.
Ready to choose?
Both offer generous free tiers — start analyzing your product today.
Last updated: . Pricing and features are verified weekly via automated tracking.