Pick / avoid summary (fast)
Skim these triggers to pick a default, then validate with the quick checks and constraints below.
- Teams evaluating Analytics & Business Intelligence options that align with PostHog's pricing and feature profile.
- Organizations where PostHog's specific trade-offs (see decision hints) match their operational constraints.
- Projects where the integration requirements match PostHog's supported ecosystem and connectors.
- Teams evaluating Analytics & Business Intelligence options that align with Amplitude's pricing and feature profile.
- Organizations where Amplitude's specific trade-offs (see decision hints) match their operational constraints.
- Projects where the integration requirements match Amplitude's supported ecosystem and connectors.
- Pricing can escalate as usage scales beyond initial tier limits for PostHog.
- Vendor lock-in increases as teams adopt PostHog-specific features and workflows.
- Pricing can escalate as usage scales beyond initial tier limits for Amplitude.
- Vendor lock-in increases as teams adopt Amplitude-specific features and workflows.
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CheckEvaluate based on your specific workload, not feature lists.
At-a-glance comparison
PostHog
Open-source product analytics suite with event tracking, session replay, feature flags, and A/B testing. Free 1M events/mo; pay-as-you-go $0.00031/event after.
- Choose PostHog when you want analytics + session replay + feature flags + experiments in one open-source platform.
- PostHog provides integration options that cover common enterprise and startup requirements.
- Documentation and community resources are available for PostHog adoption and troubleshooting.
Amplitude
Product analytics and digital optimization platform with behavioral analytics, experimentation, and customer data platform. Free up to 50K MTU; Plus from $49/mo.
- Choose Amplitude when you need behavioral analytics with cross-platform journey mapping and CDP capabilities.
- Amplitude provides integration options that cover common enterprise and startup requirements.
- Documentation and community resources are available for Amplitude adoption and troubleshooting.
What breaks first (decision checks)
These checks reflect the common constraints that decide between PostHog and Amplitude in this category.
If you only read one section, read this — these are the checks that force redesigns or budget surprises.
- Real trade-off: Open-source vs enterprise analytics. Teams compare when evaluating PostHog self-hosting and bundled tools vs Amplitude platform depth and CDP features.
- Manual instrumentation vs auto-capture: Do you have engineering capacity to instrument events manually?
- SaaS hosted vs self-hosted open-source: What is your monthly analytics budget — under $1K or over $5K?
- Analytics platform vs customer data infrastructure: How many tools need access to your event data?
Implementation gotchas
These are the practical downsides teams tend to discover during setup, rollout, or scaling.
Where PostHog surprises teams
- Pricing can escalate as usage scales beyond initial tier limits for PostHog.
- Vendor lock-in increases as teams adopt PostHog-specific features and workflows.
- Migration from PostHog requires data export planning and integration rewiring.
Where Amplitude surprises teams
- Pricing can escalate as usage scales beyond initial tier limits for Amplitude.
- Vendor lock-in increases as teams adopt Amplitude-specific features and workflows.
- Migration from Amplitude requires data export planning and integration rewiring.
Where each product pulls ahead
These are the distinctive advantages that matter most in this comparison.
PostHog advantages
- Choose PostHog when you want analytics + session replay + feature flags + experiments in one open-source platform.
- PostHog provides integration options that cover common enterprise and startup requirements.
Amplitude advantages
- Choose Amplitude when you need behavioral analytics with cross-platform journey mapping and CDP capabilities.
- Amplitude provides integration options that cover common enterprise and startup requirements.
Pros and cons
PostHog
Pros
- Teams evaluating Analytics & Business Intelligence options that align with PostHog's pricing and feature profile.
- Organizations where PostHog's specific trade-offs (see decision hints) match their operational constraints.
- Projects where the integration requirements match PostHog's supported ecosystem and connectors.
Cons
- Pricing can escalate as usage scales beyond initial tier limits for PostHog.
- Vendor lock-in increases as teams adopt PostHog-specific features and workflows.
- Migration from PostHog requires data export planning and integration rewiring.
- Some advanced features require higher pricing tiers that may exceed small team budgets.
Amplitude
Pros
- Teams evaluating Analytics & Business Intelligence options that align with Amplitude's pricing and feature profile.
- Organizations where Amplitude's specific trade-offs (see decision hints) match their operational constraints.
- Projects where the integration requirements match Amplitude's supported ecosystem and connectors.
Cons
- Pricing can escalate as usage scales beyond initial tier limits for Amplitude.
- Vendor lock-in increases as teams adopt Amplitude-specific features and workflows.
- Migration from Amplitude requires data export planning and integration rewiring.
- Some advanced features require higher pricing tiers that may exceed small team budgets.
Neither PostHog nor Amplitude quite fits?
That usually means a constraint isn’t matching — use the comparisons below to narrow down, or go back to the category hub to start from your requirements.
Keep exploring this category
If you’re close to a decision, the fastest next step is to read 1–2 more head-to-head briefs, then confirm pricing limits in the product detail pages.
FAQ
How do you choose between PostHog and Amplitude?
Choose PostHog when teams evaluating analytics & business intelligence options that align with posthog's pricing and feature profile.. Choose Amplitude when teams evaluating analytics & business intelligence options that align with amplitude's pricing and feature profile..
When should you pick PostHog?
Pick PostHog when: Teams evaluating Analytics & Business Intelligence options that align with PostHog's pricing and feature profile.; Organizations where PostHog's specific trade-offs (see decision hints) match their operational constraints.; Projects where the integration requirements match PostHog's supported ecosystem and connectors..
When should you pick Amplitude?
Pick Amplitude when: Teams evaluating Analytics & Business Intelligence options that align with Amplitude's pricing and feature profile.; Organizations where Amplitude's specific trade-offs (see decision hints) match their operational constraints.; Projects where the integration requirements match Amplitude's supported ecosystem and connectors..
What’s the real trade-off between PostHog and Amplitude?
Open-source vs enterprise analytics. Teams compare when evaluating PostHog self-hosting and bundled tools vs Amplitude platform depth and CDP features.
What’s the most common mistake buyers make in this comparison?
Choosing between PostHog and Amplitude based on feature checklists without testing with your actual workload patterns and data volumes — the right choice depends on your specific use case, not marketing comparisons.
What’s the fastest elimination rule?
Pick PostHog if teams evaluating analytics & business intelligence options that align with posthog's pricing and feature profile..
What breaks first with PostHog?
Usage volume exceeds tier limits, forcing an unplanned upgrade on PostHog.. Integration requirements expand beyond PostHog's native connector ecosystem.. Team access needs grow past the user limits on PostHog's current pricing plan..
What are the hidden constraints of PostHog?
Pricing tier boundaries for PostHog may not align with your actual usage patterns.. Data export limitations can make migration planning harder than expected.. Support response times vary by tier — production incidents may require higher plans..
What breaks first with Amplitude?
Usage volume exceeds tier limits, forcing an unplanned upgrade on Amplitude.. Integration requirements expand beyond Amplitude's native connector ecosystem.. Team access needs grow past the user limits on Amplitude's current pricing plan..
What are the hidden constraints of Amplitude?
Pricing tier boundaries for Amplitude may not align with your actual usage patterns.. Data export limitations can make migration planning harder than expected.. Support response times vary by tier — production incidents may require higher plans..
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Sources & verification
We prefer to link primary references (official pricing, documentation, and public product pages). If links are missing, treat this as a seeded brief until verification is completed.