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Privacy Policy
Effective May 22, 2026
Short version: Relative Wind Compass has no accounts, no analytics, no advertising, and no third-party tracking. Your location and barometer readings are used on your device to fetch local weather and to compute density altitude. We don’t see them and we don’t store them on a server.
Who this covers
This policy covers the Relative Wind Compass iOS app, the paired Apple Watch app, and the watchOS complication. It is operated by Jared Kaeb as an individual developer.
What the app collects from your device
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Location — latitude, longitude, heading, speed, and altitude from CoreLocation. Used to fetch weather for where you are and to compute the relative-wind arrow against your heading.
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Barometric pressure — from your iPhone’s built-in altimeter via CoreMotion (CMAltimeter), when available. Used to compute pressure altitude and density altitude for flight and drone modes.
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Your settings — unit preferences, activity mode, favorite airports, and similar choices, stored locally on your device and synced between your iPhone and Apple Watch via Apple’s App Groups and WatchConnectivity.
What the app sends off your device
The app makes two kinds of network requests:
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Apple WeatherKit — for current conditions, hourly forecast, and active National Weather Service alerts. Your latitude and longitude are sent to Apple as part of the request. WeatherKit is governed by Apple’s own policy: apple.com/legal/privacy/data/en/weather.
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aviationweather.gov — the FAA’s public Aviation Weather Center API, used to fetch METARs and winds-aloft forecasts when you have an airport selected. Requests contain only the ICAO airport code you chose, not your location.
Both requests are sent over HTTPS using Apple’s standard URLSession. No other servers are contacted.
What the app does not do
- It does not require an account, sign-up, or login.
- It does not run any analytics, telemetry, or crash-reporting SDK.
- It does not include any advertising or advertising SDKs.
- It does not contact any third-party server other than Apple WeatherKit and aviationweather.gov.
- It does not transmit your location, barometer readings, or settings to a server controlled by the developer.
- It does not use your data to build a profile, target advertising, or sell information.
Permissions you control
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Location (While Using). You can revoke or downgrade this at any time in Settings → Privacy & Security → Location Services. Without location, the app falls back to fetching weather for a manually selected airport.
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Motion & Fitness. Optional. Used only for barometric pressure. The app works without it; pressure-altitude features just won’t populate.
Children
The app is not directed at children under 13 and does not knowingly collect personal information from children.
Changes to this policy
If this policy changes, the “effective” date at the top will change too, and the updated policy will be posted at this URL.
Contact
Questions about this policy: jared.kaeb@gmail.com.