Arclune Privacy Policy
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Privacy Policy

Arclune Privacy Policy

Arclune is an offline-first iOS app for visualising great-circle route distances. The app does not require an account and does not use tracking, ads, or third-party analytics.

Effective date: 2026-06-30

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Controller

Arclune is currently provided by the person identified in the provider information below. You can contact support at arclune@icloud.com.

A data protection officer is not appointed for the current individual, free-app setup.

What stays on your device

Airport searches, selected airports, route endpoints, stops, shape points, distance units, map style, aircraft and time assumptions, wind settings, recent routes, and app preferences are processed locally on your device.

Arclune does not operate a developer backend that receives your route searches, recent routes, preferences, or airport search history.

Optional location

Location access is optional and is used only if you choose a feature such as nearby airports. You can use the core app without granting location access.

You can change or revoke location permission at any time in iOS Settings.

Apple Maps and Apple services

Arclune displays maps using Apple Maps and system services provided by Apple. Apple may process information under Apple’s own terms and privacy policies when those services are used.

Arclune does not add third-party map analytics, advertising SDKs, or tracking SDKs.

No tracking, accounts, ads, or third-party analytics

Arclune does not track you across apps or websites, does not require an account, does not show ads, and does not include third-party analytics in the current app version.

Support communication

If you contact support by email, the information you send is used to answer your request. Email communication is handled by the email services involved in sending and receiving the message.

Legal bases where applicable

Where EU or UK data protection law applies, local app processing is generally performed to provide the app functionality you request. Optional location access is based on your permission. Support messages are processed to respond to your request and to maintain the app.

Retention

App data stored on your device remains there until you change settings, clear app data, or delete the app. Support emails are kept only as long as reasonably needed for support, safety, and legal record purposes.

Recipients and transfers

Arclune does not sell personal data. Data may be processed by Apple services, email providers, and hosting providers needed to provide the website, App Store distribution, maps, support, and downloads.

Your rights

Depending on your location, you may have rights to access, correct, delete, restrict, object to, or receive a copy of personal data. Contact arclune@icloud.com for privacy requests.

Children

Arclune is not directed to children and does not knowingly collect personal data from children.

Information-only product boundary

Arclune is an information and visualization app only. It is not for navigation, flight planning, dispatch, fuel, weather, regulatory, or safety decisions.

Changes

This policy may be updated when the app or legal requirements change. The current version is published on this page.

Provider information

Provider identity information
Information only. Not for navigation or flight planning.
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