PostHog
The PostHog + Expo integration connects an Expo app to PostHog with one command, then tags product analytics events with the release that generated them.
Running eas integrations:posthog:connect replaces a setup process that previously involved creating an organisation and project, installing several packages, adding a config plugin and copying keys between browser tabs for each environment.
According to the LinkedIn post, the command now handles that work. Builders select their data region and the PostHog features they want. Existing PostHog users can link an organisation and project through the browser before the automated setup runs.
| Setup task | What the integration does |
|---|---|
| PostHog account | Creates an organisation and project, or links existing ones |
| App packages | Installs the PostHog SDK and config plugin |
| Local configuration | Writes keys to .env.local |
| EAS configuration | Adds variables for Production, Preview and Development |
PostHog + Expo Integration Connects Events to Releases
The integration registers three Expo values as PostHog super properties: eas/update_id, eas/channel and eas/runtime_version. PostHog recognises these property names, displays an Expo logo beside them and links their identifiers back to expo.dev.
That creates a direct route from a change in product behaviour to the release behind it. If a funnel drops after an update, the team can break the data down by update ID, find where the change began and open the matching Expo release. The same breakdown can be applied to crash spikes, slow screens and retention changes after a channel rollout.
EAS Workflows Can React to PostHog Metrics
PostHog also appears inside EAS Workflows as native steps. posthog_flag_rollout sets a feature flag to a chosen percentage. posthog_wait_for_metric runs a HogQL query at intervals and pauses the job until its result passes a defined threshold.
A workflow can publish an update to 25% of users, monitor exception counts for 30 minutes and then decide whether to continue the rollout or pull the release. The integration also covers kill switches that disable flags when errors rise, error-budget checks, store submission annotations and sourcemap uploads.
This connects deployment data with the behaviour already captured in PostHog. Release identifiers become filters inside product analytics, while those analytics can become conditions inside the deployment workflow.
Frequently asked questions
What is the PostHog + Expo integration?
It is a one-command connection between an Expo app and PostHog. It installs the SDK and config plugin, configures keys across EAS environments and attaches Expo release properties to analytics events.
Is the PostHog + Expo integration free?
The announcement does not give pricing or plan requirements. It says users can create a PostHog organisation and project during setup or connect an existing account.
How does the PostHog + Expo integration identify releases?
It registers the Expo update ID, channel and runtime version as PostHog super properties. Those properties can be used to break down analytics, with identifiers linking back to the corresponding information on expo.dev.
Sources
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