Your health data is not our business model.

Boop reads supported strap data over Bluetooth, processes it on your iPhone, and writes permitted records to Apple Health. Boop does not upload strap history or Apple Health data to Boop-operated servers.

Local app storage can contain offload progress, decoded samples, export identifiers, derived estimates, settings, and an activity log needed to recover safely and avoid duplicate writes.

Depending on the feature, Boop may request read access to date of birth, biological sex, height, body mass, resting heart rate, and selected comparison samples. It may request write access for heart rate, resting heart rate, heart-rate variability (SDNN), steps, sleep analysis, and workouts.

You decide each permission. Boop records which outputs are estimates and includes its algorithm version in Health metadata where supported.

The Boop iPhone app has no user account, advertising SDK, analytics SDK, tracking pixel, cross-app tracking, or health-data cloud. PostHog is not embedded in the iPhone app. Boop does not sell or rent personal data. App data is not intentionally synchronized through an app-operated iCloud container.

PostHog is used only on this website (boop.x70.one)—not in the Boop iPhone app. Website analytics help us understand aggregate traffic, page views, TestFlight short-link use, newsletter and contact outcomes, and basic interaction patterns. It does not receive strap data, Apple Health data, contact-message bodies, or newsletter message content.

Optional analytics run only after you choose “Accept all” on the cookie banner (or later via Cookie settings in the footer). Essential storage may still remember theme and your consent choice. If you choose “Essential only,” PostHog does not load.

When enabled, PostHog may set first-party cookies or local storage identifiers and can capture page URLs, referrers, device and browser metadata, rough location derived from IP, click and scroll behavior, and optionally session recordings with form inputs masked. Events are sent through a first-party path on this site to PostHog’s US Cloud.

This website uses no advertising SDKs and does not sell analytics data. Hosting may still retain limited operational logs such as IP address, request time, and user agent for security and reliability.

The contact form sends your name, email address, and message through an email delivery processor to a private support mailbox. The website does not put contact messages in an application database. Do not send health data, logs, identifiers, or screenshots.

If you subscribe to the newsletter, your email address is added to the existing x70 mailing audience through the same email delivery processor. It is used for Boop release, compatibility, and support updates until you unsubscribe or ask for deletion.

To prevent abuse, a rate-limit processor stores a pseudonymous one-way identifier and request count for up to 24 hours. It does not receive the contents of your message.

Delete Boop to remove its local app container. Manage or delete records written by Boop from Apple Health’s data-source controls. Contact messages remain subject to normal mailbox retention and can be deleted on request when they can be identified. Newsletter emails include an unsubscribe option.

Change website analytics consent anytime with Cookie settings in the footer, or clear site cookies and local storage for boop.x70.one. For deletion of retained analytics records when they can be identified, or other privacy questions, use the contact page.