1 PostHog vs Amplitude vs Mixpanel

FeaturePostHogAmplitudeMixpanel
Open SourceYesNoNo
Self-HostableYesNoNo
Session ReplayYesNoNo
Feature FlagsYesNoNo

2 Should You Use It?

If developer building product: Yes. Great all-in-one solution.

If want to avoid vendor lock-in: Yes. Open-source and self-hostable.

If need enterprise support: Maybe. Smaller team than Amplitude.

3 Frequently Asked Questions

Is PostHog really free?

Yes, open-source with free tier on cloud. Self-hosting is completely free.

Can I migrate from Amplitude/Mixpanel?

Yes. PostHog has migration guides for both.