Amplitude vs PostHog - Detailed Comparison 2026
An in-depth, side-by-side comparison covering features, pricing, pros, cons, and use cases to help you choose the right tool.
Our Verdict: Amplitude vs PostHog
Amplitude and PostHog are rated very closely, with Amplitude at 4.4/5 and PostHog at 4.5/5, indicating both are well-regarded by users. When it comes to features, Amplitude offers 6 capabilities while PostHog provides 6, with both sharing core functionality like Event Tracking, Session Replay. Amplitude differentiates with Funnels and Cohorts, while PostHog stands out with Feature Flags and A B Testing. On pricing, PostHog is the more budget-friendly option at $0/month compared to Amplitude at $49/month, though both offer free tiers for users who want to try before committing. Both Amplitude and PostHog are AI-powered, making them strong choices for users who want intelligent automation.
At a Glance
PostHog
Open-source product analytics, session replay, and feature flags
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Visit PostHogFull Side-by-Side Comparison
| Criteria | Amplitude | PostHog |
|---|---|---|
| Rating | 4.4/5 | 4.5/5 |
| Pricing Model | Freemium | Freemium |
| Starting Price | $[object Object] | $[object Object] |
| Free Tier | Yes | Yes |
| AI-Powered | Yes | Yes |
| AI Model | proprietary | proprietary |
| Platforms | web | web |
| Founded | 2012 | 2020 |
| Company Size | 501-1000 | 51-200 |
| Integrations | 5+ | 5+ |
| Affiliate Program | No | No |
| A B Testing | ✗ | ✓ |
| Cdp | ✓ | ✗ |
| Cohorts | ✓ | ✗ |
| Data Warehouse | ✗ | ✓ |
| Event Tracking | ✓ | ✓ |
| Experimentation | ✓ | ✗ |
| Feature Flags | ✗ | ✓ |
| Funnels | ✓ | ✗ |
| Session Replay | ✓ | ✓ |
| Surveys | ✗ | ✓ |
Pricing: Amplitude vs PostHog
Amplitude Pricing
Freemium
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Free tier available
Billed monthly
Amplitude offers a freemium pricing model starting at $49/month. A free tier is available with limited features.
PostHog Pricing
Freemium
$[object Object]
Free tier available
Billed monthly
PostHog offers a freemium pricing model starting at $0/month. A free tier is available with limited features.
Pros and Cons
Amplitude Pros
- Deepest cohorting and behavioral analysis in the category
- Free tier covers up to 10M events per month
- Built-in experimentation removes need for separate A/B tool
- Ask Amplitude enables natural-language data queries
- Strong CDP integration syncs cohorts to ad and email tools
Amplitude Cons
- Pricing scales steeply for advanced features
- Steeper learning curve than Mixpanel
- Implementation requires careful taxonomy and instrumentation
- Smaller marketer adoption versus GA4
PostHog Pros
- Open-source with optional self-hosting
- Bundles analytics, replay, feature flags, and experiments
- Generous free tier across every product
- Developer-first culture with strong API
- LLM Observability for AI app developers
PostHog Cons
- Self-hosting requires real ops work
- UI density has a steeper learning curve than Mixpanel
- Some products less mature than category leaders
- Pricing math can surprise high-volume teams
Who Should Choose Which?
Choose Amplitude if...
Best for: Amplitude is best for product-led growth SaaS companies and consumer apps that need advanced behavioral analysis and experimentation. PM teams at scale benefit most from cohorting and Compass.
- You need Product Analytics
- You need Experimentation
- You need Growth Analytics
- You need User Behavior
Ideal for: smb, mid-market, enterprise
Industries: technology, saas, fintech, media
Choose PostHog if...
Best for: PostHog is best for engineering-led startups and SaaS companies who want one tool for analytics, feature flags, and session replay. Teams that value open source and self-hosting benefit most.
- You need Product Analytics
- You need Feature Management
- You need Session Replay
- You need Experimentation
Ideal for: smb, mid-market, enterprise
Industries: technology, saas
Platform Availability
Amplitude
Web-based application accessible via any browser. No dedicated desktop or mobile apps are currently offered.
PostHog
Web-based application accessible via any browser. No dedicated desktop or mobile apps are currently offered.
Get Started with PostHog
Open-source product analytics, session replay, and feature flags
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