This Privacy Policy explains how the mobile application +Frames handles your information. The App is provided by Levin Meraner, a private individual based in Switzerland. For any privacy request, contact support@plus-frames.com.
+Frames is an astrophotography planning tool. It stores your data locally on your device and does not require an account or login. Certain optional features send limited data to third-party services to work (AI assistant, image plate-solving, city-name lookup, reference images). We do not use advertising, and we do not track you across other apps or websites.
The following is stored locally on your device (via Apple SwiftData / app storage) and is not transmitted to us: your saved equipment, imaging setups and sessions, photos you add to the app, your in-app chat history, calendar notes, chosen observing locations and preferences. If you delete the App, this data is removed with it.
Only when you use the related feature, the App sends the following:
We ask each provider only for what the feature needs. When data is transferred to recipients in the USA, this may involve a transfer outside your country; we rely on the providers' own safeguards and privacy terms. Please review their policies: OpenAI (openai.com/policies), astrometry.net, Apple (apple.com/legal/privacy), and Wikimedia (foundation.wikimedia.org/wiki/Policy:Privacy_policy).
With your permission, the App uses your device location (via Apple Core Location) to compute an accurate sky map and object visibility. Location is used on the device and, where relevant to the features above, sent as context. You can deny or revoke location access in iOS Settings; the App then falls back to a default location.
The App may offer optional links to external websites operated by third parties — for example a light-pollution map (lightpollutionmap.app) that you can open to look up the sky quality of your location. When you tap such a link, your device opens that website and your location coordinates may be included in the address. These sites are not controlled by us and are governed by their own privacy policies.
To apply fair-use limits to the AI features, the App generates a random identifier and sends it with AI requests to our proxy. This identifier is not your name, is not linked to your identity, and is not used for advertising or cross-app tracking. Our proxy keeps only aggregate monthly usage counters (no message content).
During the beta, the App additionally sends anonymous usage events to our server at plus-frames.com, tagged with the same random identifier: ratings you give to assistant answers, search terms that found no match in the catalog, the model names of the equipment you have saved, which targets are viewed and how often app features are used, and technical error reports. These events contain no location beyond the device's time zone (e.g. “Europe/Paris”), no e-mail address and no chat content, and are used only to improve the App. They are not used for advertising or cross-app tracking.
If the App offers paid features or subscriptions, payments are processed by Apple through the App Store. We do not receive or store your payment card details.
+Frames is not directed at children and does not knowingly collect personal data from children.
Where the GDPR or equivalent laws apply, we process data on the basis of: performance of the service you request (Art. 6(1)(b)), our legitimate interest in providing and securing the App (Art. 6(1)(f)), and — where applicable — your consent (Art. 6(1)(a)), for example your permission to access location.
Subject to applicable law, you may request access to, correction of, or deletion of your personal data, and you may object to or restrict certain processing. Because most data lives only on your device, deleting the App removes it. For anything held on our side, contact support@plus-frames.com. You also have the right to lodge a complaint with your local data protection authority.
On-device data remains until you delete it or uninstall the App. Our proxy retains aggregate monthly usage counters, which reset over time and contain no message content. Feedback messages and anonymous usage events (Section 6) are kept as long as needed for support and beta analysis, then deleted. Third-party providers retain data according to their own policies.
We may update this policy. Material changes will be reflected by the "Last updated" date above.
Levin Meraner, Switzerland — support@plus-frames.com
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