Issue
I want to know how Sessions on the Releases page differ from Session Replay sessions, including billing.
Applies To
All SaaS Customers and Self-Hosted Users
Release Health
Session Replay
Resolution
They’re two different products that both happen to use the word “session.”
Sessions (Release Health) measure app health and adoption, such as crash-free rates and release adoption. They represent a user–app interaction used for health metrics, appear on the Releases page, and are not billed. Most SDKs send them automatically once Release Health is set up (often after a release is configured).
Details: Release Health.
Replay sessions (Session Replay) are video-like recordings of what a user did in the UI (DOM snapshots on web; screenshots/view hierarchy on mobile). Unlike Release Health sessions, a web Replay can span multiple page loads. Replays are sampled based on the Replay SDK settings and are billed based on replay volume.
Web start/end (sampling, inactivity, max length): What is a session replay?
Mobile session definition: Session Replay for Mobile
Turning off Replay does not turn off Release Health sessions, and vice versa. They’re configured separately in the SDK.