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Countly vs PostHog

Countly or PostHog.
Where should your
data live?

Both can be self-hosted. The difference is where self-hosting is supported: PostHog recommends its cloud at scale; Countly Enterprise is built to self-host at any scale, including air-gapped, with dedicated engineering support.

Side by side

The differences
that decide

Deployment model, data residency, what is built in and how it is priced. Feature-by-feature comparisons change every quarter; these do not.

AspectPostHogCountly
DeploymentCloud; self-hosting for hobby deploymentsSelf-hosted at any scale, or private cloud (dedicated)
Data residencyUS or EU cloudYour region or your infrastructure
Engagement built inFeature flags, experiments, surveysPush, in-app, journeys, experiments, surveys
Mobile push and crash analyticsVia integrationsBuilt in
Enterprise supportCloud plansDedicated engineering, custom SLAs, air-gapped
Open sourceYesCountly Lite and SDKs on GitHub

PostHog is a trademark of PostHog, Inc. Comparison based on publicly available information as of October 2026; features may change. Tell us if something is out of date.

FAQ

Questions about
Countly and PostHog

A straight answer to the question teams ask first. For anything else, talk to us.

Is Countly an alternative to PostHog?

Yes. Both can be self-hosted and both are open source. PostHog supports self-hosting for hobby deployments and recommends its cloud at scale; Countly Enterprise is built to self-host at any scale, up to 100M MAU, including air-gapped networks, with mobile push, crash analytics and Journeys built in.

Migration

Moving from PostHog
to Countly

Tracking plans translate one to one; historical data can be imported through the API. Most teams run both in parallel for one release cycle.

Talk to us about migration
  1. 01

    Map

    Events and properties mapped to a Countly schema in the Data Manager.

  2. 02

    Instrument

    Countly SDK added next to the existing one; both run in parallel.

  3. 03

    Import

    Historical events and profiles imported through the API where needed.

  4. 04

    Switch

    Dashboards rebuilt, engagement moved, old tool retired.

Other comparisons

Countly against
the rest

The same architectural questions, asked of the other tools teams usually evaluate.

ComparisonCountly vs AmplitudeCompare ComparisonCountly vs MixpanelCompare ComparisonCountly vs Google AnalyticsCompare ComparisonCountly vs HeapCompare ComparisonCountly vs MatomoCompare

Switch

Same insights.
Your infrastructure.

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