The wearables integration playbook for health apps
Every wearable provider exposes data differently, and most teams discover that halfway through the build. This playbook walks through the integration decisions that shape a health app at scale: where aggregators help, where they cost you, and when self-hosting is the safer path for regulated data.
Who this playbook is for
You need to know what a multi provider integration actually costs before it lands in a quarterly plan. The playbook maps effort against provider coverage so the tradeoffs are visible early.
Aggregator, direct API, or self hosted pipeline: each choice locks in different limits. Compare them side by side before writing the first line of sync logic.
Wearable data crosses borders and vendors by default. See where HIPAA and GDPR obligations attach, and which architectures keep the data boundary under your control.
Understand what is realistic in a first release, which providers are worth supporting on day one, and what can safely wait until you have users.
What is inside
How Apple Health, Garmin, Oura, Whoop, Fitbit and Health Connect differ in access model, data granularity and sync behaviour, and what that means for your backend.
Aggregator, direct API, or self hosted pipeline. A side by side comparison of cost curves, provider coverage, lock in risk and the hybrid patterns most production teams end up with.
Turning inconsistent provider payloads into one schema your product can query, including timezone handling, gap filling and how to keep historical backfills sane.
Where HIPAA and GDPR obligations attach to wearable data, what a processor agreement needs to cover, and how self hosting changes the compliance surface.
Placeholder outline. Final chapter list and page count to be confirmed before publishing.
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Wearables integration FAQ
Which wearable providers does the playbook cover?
Placeholder answer. Apple Health, Google Health Connect, Samsung Health, Garmin, Polar, Strava, Whoop, Oura and Fitbit appear as worked examples throughout the chapters.
Is it tied to a specific language or framework?
Placeholder answer. The architecture patterns are framework agnostic, so the decisions apply whatever your stack looks like.
Do I need to be technical to get value from it?
Placeholder answer. Written for engineers and architects, but the integration path comparison and roadmap chapters are useful for product leads scoping the work.
How long does a typical integration take?
Placeholder answer. It depends on provider coverage and compliance scope. The playbook gives reference timelines for each of the three integration paths.
Who is this from?
Placeholder answer. Momentum, a software development company building health apps since 2016 and maintaining Open Wearables as an open source integration layer.