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One-Tap Sync

Select your date range and sync. Your HRV data appears in Health within seconds.

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2FA Support

Works with Two-Factor Authentication. No need to disable MFA on your Garmin account.

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Privacy First

Your data never leaves your device. No servers, no tracking, no analytics.

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Full HRV History

Import weeks or months of HRV data at once. Perfect for building your health trends.

Privacy Policy

Last updated: December 16, 2025

HRV Sync is designed with your privacy in mind. Here's how we handle your data:

Data Collection

HRV Sync does not collect, store, or transmit any personal data to external servers. All data processing happens locally on your device.

Garmin Account

The app connects directly to your Garmin account to fetch your HRV data. Your login credentials are stored securely in your device's Keychain and are never shared with third parties.

Health App

HRV data is written to the Health app on your device. This data stays on your device and is managed according to Apple's privacy policies.

No Analytics or Tracking

HRV Sync does not include any analytics, advertising, or tracking frameworks.

Data Storage

Authentication tokens: Stored in iOS Keychain (encrypted)
HRV data: Stored only in the Health app
No cloud storage or external databases

Support

For questions, issues, or feedback about HRV Sync, please contact:

Email: hrvsync@nglx.io

Common Issues:

Login problems: Make sure you're using your Garmin account credentials (the same ones you use for Garmin Connect).
No HRV data: HRV data is only available if your Garmin device records it during sleep. Not all Garmin devices support HRV tracking.
Health permissions: Go to Settings → Health → Data Access → HRV Sync to enable permissions.

Disclaimer: HRV Sync is an independent app and is not affiliated with, endorsed by, or sponsored by Garmin Ltd. or Apple Inc. Garmin® is a registered trademark of Garmin Ltd. Apple® and Health® are trademarks of Apple Inc.

HRV Sync