# 11 · Observability

https://exo.now/docs/stack/observability

> Exo Analyze keeps visits, sign-ups, conversion, and cost to serve in one Exo event layer; PostHog is a swappable dashboard adapter.



<StackFacts dimension="11 · Observability" platforms="[&#x22;posthog&#x22;, &#x22;revenuecat&#x22;]" via="Exo Analyze" status="Accepted (ADR 0006, 2026-09-27); planned." />

Renamed from Analytics (2026-10-05): the same Exo Analyze layer, named for what it does.

## What it is [#what-it-is]

Visits, sign-ups, conversion, and cost to serve land in one Exo event layer beside payments.
Dashboards are an adapter, so the provider can change without touching an App. The service design
is on the [Exo Analyze](../platform/exo-analyze.mdx) page.

## Platform [#platform]

* **PostHog** provides dashboards and session replay, sitting behind Exo as a swappable adapter.
  Plausible and GA4 remain possible adapters.
* **RevenueCat** supplies the paid step of the funnel for app-store purchases, beside Stripe for
  web payments (ADR 0006). Revenue events land in the ledger described on
  [Payments](./payments.mdx).

## Boundary and replaceability [#boundary-and-replaceability]

* Ingestion and schema live in Exo's Convex backend, partitioned per App and per environment. Apps
  send events to one Exo endpoint through a thin SDK (web and Expo).
* **Apps never integrate an analytics platform directly.** Changing platforms is an Exo adapter change.
* Event schema changes are platform decisions. Privacy and consent (cookie banners, data deletion)
  are centralized in Exo.

## Cost notes [#cost-notes]

From ADR 0006:

* At today's portfolio scale, event volume fits PostHog's free tier (\~1M events/month).
* The incremental cost is Convex storage and function usage for the event table, expected to be a
  few dollars per month.
* If volume outgrows the free tier, Exo can sample or aggregate before forwarding to the adapter
  while keeping full-fidelity funnel counts in Convex.

## Status [#status]

* **Planned** ([roadmap: product-analytics](../../../roadmap/items/product-analytics.md)).
* ADR 0006 is on `main` and is not yet on `staging`
  ([read on main](https://github.com/Interspace-Ventures/exo/blob/main/docs/adr/0006-exo-analyze-product-analytics.md)).
