# Boop

> Boop is an independent, local-first iPhone utility that reads supported data
> from compatible WHOOP 5.0 and WHOOP MG straps over Bluetooth and writes
> permitted records to Apple Health.

## Core facts

- The Boop iPhone app requires no account or paid subscription and has no health-data cloud, advertising, or analytics.
- Strap and Health data are processed on the user's iPhone.
- External TestFlight is open: https://testflight.apple.com/join/GHKbXsqZ
- Social short link for TestFlight: https://boop.x70.one/testflight
- Boop is not yet on the App Store; TestFlight is the current public install path.
- Price: $0 — see https://boop.x70.one/pricing.md
- Instagram: https://www.instagram.com/boopcompanion/ (@boopcompanion)
- LinkedIn: https://www.linkedin.com/company/boopcompanion/ (@boopcompanion)
- The website offers an optional email newsletter for Boop release, compatibility, and support updates.
- The website may use PostHog product analytics only after cookie consent. The iOS app does not use PostHog or any analytics SDK.
- Boop is not a medical device. Outputs may be approximate and are not for diagnosis or treatment.
- Boop is independent and is not affiliated with, endorsed by, or sponsored by WHOOP, Apple, or Bevel.
- WHOOP names are used only to state factual device compatibility.
- WHOOP 4.0 is not yet supported.
- Derived estimates are distinguished from decoded observations and carry Boop algorithm-version metadata where supported (current family: boop-physiology-1.4.0).

## Supported / not supported

Supported today:

- WHOOP 5.0 strap
- WHOOP MG strap
- Compatible iPhone with Bluetooth and Apple Health permissions the user grants
- Free external TestFlight install

Not supported / out of scope:

- WHOOP 4.0 (not yet)
- Boop account, Boop subscription, or Boop health-data cloud
- Medical diagnosis or treatment use
- Direct data handoff to third-party apps (for example Bevel); those apps may read Apple Health only if the user authorizes them separately
- App Store listing (not yet; TestFlight is current)

## How Boop fits (factual)

| Topic | Official wearable app path | Boop |
| --- | --- | --- |
| Primary job | Vendor platform experience | Local Bluetooth offload into Apple Health |
| Boop account | N/A | None |
| Processing | Vendor product stack | On the user's iPhone |
| Affiliation | Official vendor software | Independent; not affiliated with WHOOP |

After Boop saves and acknowledges history, it may trim that history from the strap; trimmed history can be unavailable to the official app. Users must acknowledge this during onboarding.

## FAQ

- Which models? WHOOP 5.0 and WHOOP MG only; WHOOP 4.0 not yet. Independent, not affiliated with WHOOP.
- Does Boop upload health data? No Boop health-data cloud; processing is on device; permitted writes go to Apple Health.
- Is it free? Yes; no Boop subscription. TestFlight is the public install path.
- Medical device? No. Not for diagnosis or treatment.
- Remove strap history? May trim acknowledged history after a successful save; can affect the official app.

## Pages

- [Home](https://boop.x70.one/)
- [Support](https://boop.x70.one/support)
- [Roadmap](https://boop.x70.one/roadmap)
- [Privacy](https://boop.x70.one/privacy)
- [Compatibility](https://boop.x70.one/compatibility)
- [Methodology](https://boop.x70.one/methodology)
- [Disclaimer](https://boop.x70.one/disclaimer)
- [Contact](https://boop.x70.one/contact)
- [Pricing (machine-readable)](https://boop.x70.one/pricing.md)
- [TestFlight short link](https://boop.x70.one/testflight) (redirect, noindex)
- [Instagram @boopcompanion](https://www.instagram.com/boopcompanion/)
- [LinkedIn @boopcompanion](https://www.linkedin.com/company/boopcompanion/)

## Contact safety

The contact form accepts only name, email, and a short message. Do not send
health data, exports, screenshots, logs, identifiers, or other sensitive data.

## Ecosystem

Boop is maintained in the [x70 ecosystem](https://x70.one).