Amplitude vs PostHog: Head-to-Head Comparison

Quick Verdict

Amplitude is the better pick for larger product orgs needing behavioral analytics and experimentation. PostHog is the better pick for engineering-led teams wanting analytics, replay and flags in one tool.

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At a Glance

Feature	Amplitude	PostHog
Best For	Larger product orgs needing behavioral analytics and experimentation	Engineering-led teams wanting analytics, replay and flags in one tool
Pricing	Free tier with paid plans	Free tier, then usage-based pricing
Free to Start	Yes	Yes
License	Proprietary	Open source
Deployment	Managed cloud	Self-hosted or managed cloud
Link	Visit Amplitude	Visit PostHog

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Detailed Breakdown

Amplitude

Digital analytics platform

Pros:

• Deep behavioral cohort analysis
• Experimentation and session replay
• Enterprise governance

Cons:

• Steeper learning curve
• Premium tiers are expensive

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PostHog

Open-source product analytics suite

Pros:

• Analytics, session replay, feature flags and experiments
• Generous free usage tier
• Open source

Cons:

• Breadth means some tools are less deep
• Self-hosting is only supported at small scale

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Key Differences

• Positioning: Amplitude — digital analytics platform. PostHog — open-source product analytics suite.
• Licensing differs: Amplitude is proprietary while PostHog is open source.
• Deployment: Amplitude — managed cloud. PostHog — self-hosted or managed cloud.
• Pricing: Amplitude — free tier with paid plans. PostHog — free tier, then usage-based pricing.
• Signature strength: Amplitude — deep behavioral cohort analysis. PostHog — analytics, session replay, feature flags and experiments.

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Frequently Asked Questions

Is Amplitude better than PostHog?

It depends on your requirements. Amplitude is a strong fit for larger product orgs needing behavioral analytics and experimentation, while PostHog suits engineering-led teams wanting analytics, replay and flags in one tool.

Is Amplitude free to use?

Yes, you can start with Amplitude for free. Pricing model: Free tier with paid plans.

Is PostHog free to use?

Yes, you can start with PostHog for free. Pricing model: Free tier, then usage-based pricing.

Can I self-host Amplitude or PostHog?

Amplitude is offered as a managed service: managed cloud. PostHog can be self-hosted. Deployment options: self-hosted or managed cloud.

What are the main drawbacks of Amplitude and PostHog?

Amplitude: steeper learning curve; premium tiers are expensive. PostHog: breadth means some tools are less deep; self-hosting is only supported at small scale.