Building Reliable React Native Integrations with Samsung Health and Google Fit

When you integrate health APIs like Samsung Health or Google Fit into a mobile app, you are touching highly sensitive data and a surprisingly complex set of platform rules.

In this article we walk through how we structure permissions, background sync, and server-side aggregation so that the experience stays reliable for users and maintainable for your team.

We will cover consent flows, API quotas, data modeling, and some concrete pitfalls we have seen in production deployments.