Question 1

What is included in PostHog's free tier?

Accepted Answer

PostHog offers a generous free tier with no credit card required. As of December 2024, the free tier includes 1 million analytics events, 5,000 session recordings, 1 million feature flag requests, 100,000 error tracking exceptions, 1,500 survey responses, 1 million data warehouse rows, and 100,000 LLM analytics events per month. All limits reset monthly, making it ideal for startups and small teams to get started without any cost.

Question 2

How does PostHog compare to Mixpanel and Amplitude?

Accepted Answer

PostHog is an open-source, all-in-one platform combining analytics, feature flags, session replay, A/B testing, and surveys. Mixpanel focuses primarily on product analytics and user behavior tracking but lacks built-in A/B testing. Amplitude offers advanced analytics with deep segmentation but tends to be more expensive for enterprise use. PostHog's key differentiator is the ability to self-host for complete data control, plus its unified platform eliminates the need for multiple separate tools.

Question 3

Can I self-host PostHog instead of using the cloud version?

Accepted Answer

Yes, PostHog offers a free open-source version under an MIT license that you can self-host. It requires a Linux Ubuntu VM with at least 4 vCPU, 16GB RAM, and 30GB storage, optimized for around 300,000 events per month. Installation uses Docker Compose. However, certain advanced features like group analytics are exclusive to PostHog Cloud. Self-hosted deployments receive community support only, not commercial support. For most users, PostHog Cloud is recommended for scalability and lower total cost.

Question 4

Does PostHog include feature flags and A/B testing?

Accepted Answer

Yes, PostHog includes built-in feature flags and A/B testing as core features. You can create experiments with multiple variants, target specific user segments, and analyze results with statistical significance. Feature flags support gradual rollouts, percentage-based targeting, and user property conditions. The free tier includes 1 million feature flag requests per month. Experiments are billed together with feature flags, making it cost-effective to run multiple tests simultaneously.

Question 5

What are PostHog's session replay capabilities?

Accepted Answer

PostHog's session replay records and replays user sessions to show exactly how users interact with your product. It supports web (using RRWeb for DOM capture), iOS, Android, and React Native platforms. Features include adjustable playback speed, skipping inactive periods, DOM inspection, network request capture, and console log recording. Privacy controls allow masking sensitive elements. You can filter sessions by events, properties, or user paths and access replays directly from analytics insights. The free tier includes 5,000 recordings per month.

Question 6

Does PostHog offer a startup program with credits?

Accepted Answer

Yes, PostHog offers a startup program providing up to $50,000 in credits for qualifying startups, including Y Combinator companies. Credits can be used toward any PostHog products including the Teams plan and are valid for 12 months. After credits are exhausted or expire, you transition to a standard paid plan. The generous free tier also means many startups may not need to use credits immediately. Note that credits cannot be applied toward Business Associate Agreements (BAA) due to legal constraints.

Question 7

What products are included in the PostHog platform?

Accepted Answer

PostHog is an all-in-one product analytics platform that includes: product analytics (events, funnels, trends, retention), session replay, feature flags, A/B testing experiments, user surveys, error tracking, data warehouse, data pipelines, and LLM analytics for AI applications. All products work together seamlessly, allowing you to go from viewing an analytics insight to watching a session replay to launching an experiment without switching tools. Each product has its own free tier limits that reset monthly.

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