Mixpanel vs PostHog
Updated October 2026 · AppBreakup editorial
Mixpanel
Event-based product analytics for funnels, retention and cohorts, now with session replay and feature flags.
PostHog
An all-in-one, developer-focused product platform: analytics, session replay, flags, experiments and more.
The short answer
PostHog and Mixpanel both offer event analytics with funnels, retention and session replay, but they aim at different users. PostHog suits engineering-led startups that want analytics, replay, feature flags, experiments and more in one usage-priced tool with public source code. Mixpanel suits product and growth teams who want polished, approachable reports without SQL. The biggest difference is PostHog's breadth and developer focus versus Mixpanel's ease of use.
Mixpanel or PostHog: our take
PostHog began as an open-source alternative to Mixpanel and has grown into a wide suite: product and web analytics, session replay, feature flags, A/B tests, surveys, error tracking, a data warehouse and logs, all sharing the same user and event data. Mixpanel has moved in the same direction, adding session replay, heatmaps, experiments and feature flags, but its core remains fast funnels, retention and flows that non-engineers can build themselves. PostHog's interface is dense and assumes some comfort with SQL and engineering concepts, which suits developers but can overwhelm marketing teams.
Both have generous free tiers and no seat fees. PostHog's monthly free allowance includes 1M analytics events, 5K session recordings and 1M feature flag requests, with usage-based pricing per product after that; bills can climb quickly on high-traffic products. Mixpanel's free plan covers up to 1M events a month and 10K session replays a month, with unlimited seats on every plan, and its Growth plan is billed by event volume.
Data control is a real difference. PostHog's source code is public, its cloud runs in the US or EU, and a hobby self-hosted deployment exists for small setups, though the company recommends its cloud for serious use. Mixpanel is a hosted web service only, with SDKs for web, mobile and server platforms.
Choose PostHog if your team is technical, wants one tool for analytics plus flags, experiments and error tracking, and values transparent usage pricing. Choose Mixpanel if the main users are product managers and analysts who want clear, quick reports and are less interested in the engineering extras.
Which should you pick?
Choose Mixpanel if…
- Product and growth teams who want fast self-serve funnels and retention without SQL
- Fast, approachable reports for funnels, retention and flows
- Free plan includes unlimited seats and a sizeable event allowance
Choose PostHog if…
- Startups and engineering-led teams wanting analytics, replay and flags in one tool
- You want open-source software
- You need to host it on your own servers
- You need Self-hosted, which Mixpanel doesn't list
- Generous monthly free allowance across every product
About each app
What is Mixpanel?
Mixpanel is one of the longest-running event analytics products. You send events from your app or website, such as sign-ups, purchases or feature use, and build funnels, retention curves, flows and cohort breakdowns from them without writing SQL. It is aimed at product managers, growth teams and analysts at software companies who want answers quickly rather than a data warehouse project. Over the last few years it has added session replay, heatmaps, experiments and feature flags, so it now covers more of what PostHog and Amplitude offer in one place. The free plan is generous for early products, with unlimited seats and a monthly event allowance; the Growth plan is billed by event volume, and Enterprise adds governance and support. Reports are fast and the interface is approachable, but the quality of the answers depends on planning a clean event taxonomy up front. It runs in the browser, with SDKs for web, mobile and server platforms.
What is PostHog?
PostHog started as an open-source alternative to Mixpanel and has grown into a broad suite aimed at engineers and product-minded teams. One install gives you product and web analytics, session replay, feature flags, A/B tests, surveys, error tracking, a data warehouse and logs, all sharing the same user and event data. Its pricing is usage-based per product with a free allowance that renews every month, and the company says most customers never pay. There is no per-seat charge. The interface is dense and assumes some comfort with SQL and engineering concepts, which suits startups well but can overwhelm marketing teams. PostHog Cloud runs in the US or EU; a hobby self-hosted deployment exists for small setups, though the company recommends Cloud for anything serious. Its public handbook, docs and frequent releases are a big part of its appeal. It runs in the browser with SDKs for web, mobile and most backend languages.
Side by side
| Attribute | Mixpanel | PostHog |
|---|---|---|
| Pricing | Free plan + paid | Free plan + paid |
| Open source | No | Yes |
| Self-hostable | No | Yes |
| Platforms | Web | Web, Self-hosted |
| Best for | Product and growth teams who want fast self-serve funnels and retention without SQL | Startups and engineering-led teams wanting analytics, replay and flags in one tool |
| Status | Active | Active |
Mixpanel vs PostHog pricing
Mixpanel: free plan + paid
- Free plan: Up to 1M events/month source
- Session replay on free plan: 10K replays/month source
- Seats: Unlimited on every plan source
- Paid plan: Growth, billed by event volume source
PostHog: free plan + paid
- Free analytics allowance: 1M events/month source
- Free session replay: 5K recordings/month source
- Free feature flags: 1M requests/month source
Platforms
| Platform | Mixpanel | PostHog |
|---|---|---|
| Web | ||
| Self-hosted |
Mixpanel facts
4 of 4 verified- Free plan
- Up to 1M events/month
- Checked Oct 25, 2026mixpanel.com(opens source in a new tab)
- “Free forever Explore product intelligence for free. No credit card required. Sign Up Includes ')"> Unlimited seats ')"> Unlimited seats ')"> Up to 1M events / month ')"> Up to 1M events / month”
- Session replay on free plan
- 10K replays/month
- Checked Oct 25, 2026mixpanel.com(opens source in a new tab)
- “Includes unlimited seats, up to 1M events/month, 10K session replays/month”
- Seats
- Unlimited on every plan
- Checked Oct 25, 2026mixpanel.com(opens source in a new tab)
- “Includes unlimited seats, up to 1M events”
- Paid plan
- Growth, billed by event volume
- Checked Oct 25, 2026mixpanel.com(opens source in a new tab)
- “Growth plan (starts at $0/month, volume discounts available): Get advanced intelligence with higher limits.”
PostHog facts
4 of 4 verified- Free analytics allowance
- 1M events/month
- Checked Oct 25, 2026posthog.com(opens source in a new tab)
- “What you get for free, every month Resets monthly. Same allowance whether or not you have a card on file. + Analytics 1M events”
- Free session replay
- 5K recordings/month
- Checked Oct 25, 2026posthog.com(opens source in a new tab)
- “+ Analytics 1M events Session replay 5K recordings”
- Free feature flags
- 1M requests/month
- Checked Oct 25, 2026posthog.com(opens source in a new tab)
- “+ Analytics 1M events Session replay 5K recordings Feature flags 1M requests”
- Self-hosting
- Hobby deployment available
- Checked Oct 25, 2026posthog.com(opens source in a new tab)
- “but there are two commands for interacting with the hobby deploy”
Pros and cons of Mixpanel
- Fast, approachable reports for funnels, retention and flows
- Free plan includes unlimited seats and a sizeable event allowance
- Session replay, experiments and flags now in the same tool
- Needs a well-planned event taxonomy to stay useful
- Costs scale with event volume once past the free tier
- Less suited to marketing attribution than web analytics tools
Pros and cons of PostHog
- Generous monthly free allowance across every product
- Analytics, replay, flags and experiments share one dataset
- Transparent usage pricing with no seat fees
- Source code is public and a hobby self-host option exists
- Busy interface that suits technical users more than marketers
- Self-hosting is limited to a small hobby deployment
- Usage bills can grow fast on high-traffic products
Other apps to consider
AmplitudeInstead of Mixpanel
The closest like-for-like rival, with a larger free event allowance and strong behavioural cohorts.
HeapInstead of Mixpanel
Autocaptures interactions, so you can analyse events you forgot to instrument.
OpenReplayInstead of PostHog
A fully self-hostable session replay and analytics stack you run yourself.
Mixpanel vs PostHog: common questions
Is Mixpanel better than PostHog?
PostHog and Mixpanel both offer event analytics with funnels, retention and session replay, but they aim at different users. PostHog suits engineering-led startups that want analytics, replay, feature flags, experiments and more in one usage-priced tool with public source code. Mixpanel suits product and growth teams who want polished, approachable reports without SQL. The biggest difference is PostHog's breadth and developer focus versus Mixpanel's ease of use.
Is Mixpanel free?
Mixpanel has a free plan, with paid plans for more features. See its verified pricing facts above for current limits.
Is PostHog free?
PostHog has a free plan, with paid plans for more features. See its verified pricing facts above for current limits.
Is Mixpanel or PostHog open source?
PostHog is open source; Mixpanel is not.
Which platforms do Mixpanel and PostHog support?
Mixpanel: Web. PostHog: Web and Self-hosted.