EAS Observe vs Measure

EAS Observe is a production performance monitoring service for apps running on real devices and conditions. It records cold and warm launch times, time to first render, time to interactive, bundle load time, and EAS Update download time. Measurements can be compared across app versions and over-the-air updates to help identify regressions. Expo Router and React Navigation integrations add render and interactive timings for individual routes. Apps can send user-defined events with Observe.logEvent and analyze them with performance data. Results appear in the EAS dashboard or can be queried from the terminal with EAS CLI commands. EAS Observe supports Android, iOS, and tvOS, but requires Expo SDK 55 or later and an app linked to an EAS project. It is unavailable in Expo Go and needs a development or production build. JavaScript error and native crash reporting are preview features. Plans include Free at $0/month, Starter at $19/month plus additional usage, and Production at $199/month plus additional usage; Enterprise pricing is custom. Retention is 90 days.

Measure is monitoring software for teams responsible for production mobile apps. It collects crashes, ANRs, bug reports, session replays, performance traces, and network activity in one dashboard. Replays can include clicks, navigation, logs, HTTP calls, memory and CPU usage, and stack traces. An app-health view tracks adoption, crash rates, launch times, and app size. Adaptive Capture changes collected data without requiring an app update. SDK support covers Android, iOS, Flutter, React Native, and Kotlin Multiplatform; access is also listed for API, web, and self-hosted deployments. Email and Slack provide alerts and daily summaries, with Slack debugging through Measure Agent. An MCP server connects telemetry to several coding agents. Measure says its software is fully open source. The FREE plan costs nothing with 5 GB monthly and 30 days retention. PRO costs $50 a month, includes 25 GB and 90 days retention, and charges $2 GB/month.