PostHog vs Amplitude
Detailed side-by-side comparison to help you choose the right tool
PostHog
🟡Low CodeData Analysis
Open-source, all-in-one product analytics platform combining event tracking, session replay, feature flags, A/B testing, surveys, error tracking, and a data warehouse — with self-hosting option for complete data control.
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Starting Price
FreeAmplitude
🟡Low CodeData Analysis
Product analytics platform that combines natural language AI queries with behavioral cohort analysis, enabling teams to ask complex questions in plain English while building precise user segments based on actual behavior patterns.
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Starting Price
FreeFeature Comparison
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💡 Our Take
Choose Amplitude if you need mature behavioral cohorts, natural language AI queries, and enterprise-grade identity resolution for a mid-to-large product team. Choose PostHog if you're a technical founder or small team that values open-source self-hosting, a generous free tier with all features unlocked, and tight integration with product engineering workflows. PostHog is cheaper at scale for startups; Amplitude is more polished for non-technical PMs.
PostHog - Pros & Cons
Pros
- ✓Genuinely generous free tier — 1M events, 5K recordings, 1M flag requests monthly — means over 90% of companies use PostHog completely free
- ✓Unified platform combining 10+ products (analytics, replay, flags, experiments, surveys, error tracking, data warehouse) with shared user identification eliminates tool sprawl
- ✓Open-source with self-hosted option provides complete data ownership for regulated industries and privacy-conscious organizations
- ✓SQL-based query interface (HogQL) enables complex custom analysis impossible with drag-and-drop dashboard tools
- ✓Per-product billing limits prevent surprise bills — set maximum spend for each feature independently
Cons
- ✗Individual products lack the depth of best-of-breed alternatives — session replay isn't FullStory, error tracking isn't Sentry, surveys aren't Typeform
- ✗Usage-based pricing at scale (50M+ events) becomes significantly more expensive than fixed-price alternatives like Amplitude or Heap
- ✗Non-technical team members face a steep learning curve with SQL-heavy analysis and developer-oriented interface design
Amplitude - Pros & Cons
Pros
- ✓Free Starter plan supports up to 50,000 monthly tracked users — one of the most generous free tiers among the 870+ AI tools in our directory
- ✓Natural language AI queries turn complex analytics into plain English questions, with up to 5,000 prompts/month on Enterprise
- ✓Behavioral cohorts enable precise user segmentation without SQL knowledge, trusted by 2,600+ paying customers
- ✓Session replay integrated directly with event data, eliminating the need for a separate $39/month Hotjar subscription
- ✓Cross-platform tracking with ~99.5% identity resolution accuracy unifies behavior across web and mobile apps
- ✓A/B testing measured with the same behavioral metrics used in daily analytics, avoiding Optimizely + GA reconciliation issues
Cons
- ✗Pricing scales quickly with MTU volume for high-traffic consumer products, often exceeding $2,000/month at enterprise scale
- ✗Steep learning curve for teams new to event-based analytics — proper tracking plan design takes 1-3 weeks
- ✗AI prompt limits (1,000/month on Plus) can be restrictive for data teams running many ad-hoc explorations
- ✗Session replay does not support native mobile apps, only mobile web — a gap competitors like FullStory cover
- ✗Advanced features (predictive analytics, data governance, SSO) locked behind Growth and Enterprise plans with non-public pricing
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