PostHog review (2026): features, pros and cons, and what to check before you buy
Developer-oriented product analytics and experimentation suite with usage billing and separate allowances for each product.
Our take for buyers
PostHog is a developer-oriented suite covering product analytics and experimentation. It offers event funnels with breakdowns, cohorts and retention insights, SDK event capture with autocapture, session replay, and feature flags and experiments. A useful detail is that cohorts can filter both funnels and feature flags, which ties analysis to rollout decisions. It targets startups through larger engineering teams, and it also offers a free tier to start with.
It fits engineering-led SaaS teams that own instrumentation and want analytics beside flags and replay. It is a poor fit for buyers who want no technical setup. Governance features such as SSO, audit logs and custom roles come through platform packages, so the security side needs a direct conversation with the vendor before you commit.
Pros
- Reviewers value the combined analytics and replay workflows.
Cons
- Reviewers describe a steep initial setup for less technical users.
- Best for
- Engineering-led SaaS teams owning instrumentation.
- Starting price
- Free 1 million analytics events per month; pay-as-you-go above allowance
- G2 rating
- No G2 rating found
What is PostHog?
Developer-oriented product analytics and experimentation suite with usage billing and separate allowances for each product. PostHog is a developer-oriented suite that puts product analytics, session replay, feature flags and experiments in one place. Experiments cover A/B/n tests and holdouts, run through code and SDKs, and share the feature flag usage meter.
Category: Product Analytics Software, A/B Testing Software
PostHog key features
| Criterion | What we found |
|---|---|
| Pricing model | First 1M flag requests/month free. |
| Target company size | Product teams and developers. |
| Funnels and conversion | Event funnels with breakdowns. |
| Retention and cohorts | Cohorts and retention insights. |
| Autocapture and instrumentation | SDK event capture and autocapture. |
| Session replay | 5,000 free replay recordings monthly. |
| Experimentation and flags | Feature flags and experiments. |
| Data quality and governance | Platform packages for advanced controls. |
| Experiment types | A/B/n, holdouts and feature experiments. |
| Visual editing | Code and SDK-driven experiments. |
| Analysis method | Bayesian and frequentist options. |
| Billable usage meter | Flag requests; usage-based after free allowance. |
| Analytics and data connection | Integrated product analytics and replays. |
PostHog plans and pricing
| Plan | Price | Unit | Notes |
|---|---|---|---|
| Free | $0 | month | 1 million analytics events per month |
| Usage based | Usage based | event | Free allowance renews monthly |
Paid quote required for unlisted tiers; confirm billing and package before signing. Feature flags: first 1 million flag requests per month free; experiments are billed with flags.
Who should shortlist PostHog
A strong fit for
- Engineering-led SaaS teams owning instrumentation.
- Teams that want analytics beside flags and replay.
- Product engineering teams with event instrumentation.
- Startups seeking a generous usage-based free tier.
A weak fit for
- Teams expecting a single fixed enterprise bill.
- Buyers who want no technical setup.
- Marketing teams seeking a pure visual CRO suite.
- Teams that cannot forecast high-volume flag requests.
PostHog alternatives
AmplitudeTeams standardizing event taxonomies across products.
MixpanelProduct managers needing self-serve conversion analysis.
HeapTeams exploring journeys without hand-tagging every interaction.
PendoTeams pairing product adoption with in-app guides.
FullstoryUX teams investigating friction behind a conversion drop.
WingifyEnterprises consolidating web experimentation and personalization.
Security, admin and compliance
PostHog states that SSO and audit logs are available through platform packages, and that custom roles are part of those packages, but you must confirm which package includes what and obtain a quote. SCIM, data residency, DPA terms, implementation help, support levels and contract terms are not published. No security certifications are listed, so ask for current reports and a DPA before sending production or customer data.
- SAML SSO
- Available through platform packages; confirm package and quote.
- Audit logs
- Available through platform packages; confirm package and quote.
Contract and buying terms
- Starting price
- Free 1 million analytics events per month; pay-as-you-go above allowance.
- Pricing model
- Per event.
- Free plan or trial
- Free plan.
What to test in a PostHog demo or trial
Run a trial around one real release. Instrument a feature with the SDK, build a funnel with breakdowns, and then gate the rollout with a feature flag using a cohort. Check how autocapture and manual events compare in your stack. Use the free 5,000 replay recordings to see whether replay answers the questions your funnel raises. Run a small experiment to confirm the experimentation workflow matches how your team ships. Note who on the team needs engineering time to keep this running.
Questions to ask PostHog before you sign
These are the points PostHog's public pages leave open. Get the answers in writing before procurement signs off.
- Is SCIM provisioning included, or a paid add-on?
- Where is our data stored, and can we choose the region?
- Can we sign your standard DPA without changes?
- Is there a monthly option, and what are the cancellation and renewal terms?
- What will the price be at renewal, and is the increase capped?
Things to know before a demo
- Separate free tiers for analytics and session replay.
- Cohorts can filter funnels and feature flags.
- Experiments share the feature flag billing meter.
- PostHog lets users set billing limits per product.
PostHog FAQ
What is PostHog used for?
PostHog is a developer-oriented suite that puts product analytics, session replay, feature flags and experiments in one place. Experiments cover A/B/n tests and holdouts, run through code and SDKs, and share the feature flag usage meter. It suits engineering-led SaaS teams owning instrumentation.
Does PostHog support SSO and audit logs?
Both are listed as available through platform packages. Confirm which package includes them and get a quote. SCIM is not published.
Can PostHog run A/B tests as well as analytics?
Yes. PostHog lists feature flags and experiments alongside product analytics, and cohorts can filter funnels and feature flags.
Who is PostHog best for?
It suits engineering-led SaaS teams that own instrumentation and want analytics next to flags and replay. It is not for buyers who want no technical setup.
Sources
Every fact on this page comes from PostHog's own pricing, product or documentation pages, G2 and company records, checked on November 1, 2026. Unknown values are left out instead of estimated.