Flashline
Nuclear effects in your own sky. Privacy Policy (iOS)
Last updated: November 13, 2026
Flashline does not collect, store, transmit or share any personal data. It has no accounts, no analytics,
no advertising, no tracking, and no developer-operated servers.
- Camera. The camera image is shown on screen behind the simulated detonation. If you turn on the
experimental "Destruction in camera view" setting, an on-device model also looks at the image to find trees and
buildings. Camera frames are processed only in memory on your device. They are never saved or sent anywhere,
unless you make a screen recording yourself.
- Location. Your location is used on your device to place the sun correctly, align the compass to
true north, and work out your distance from the ground zero you choose. Casualty estimates use population data
bundled inside the app. Your location never leaves your phone.
- Map and place search. The ground-zero map uses Apple Maps. When you view the map or search for a
place, Apple receives the map area and your search text to return results, under
Apple's privacy policy. Flashline's developer receives none of it.
- Screen recordings. Recordings you make are stored in the app on your device. They are saved to your
photo library or shared only when you choose to, and then only to the place you pick.
- Tips. The optional tip jar uses Apple In-App Purchase. Apple processes the payment. The developer
receives only Apple's aggregated sales reports, never your name, Apple Account or payment details.
- Links. Articles and organizations link to outside websites, which open in Safari or an in-app browser.
Those sites have their own privacy policies. Donations are made on each organization's own website; Flashline never
sees them.
- Settings. Your settings and last scenario are stored only on your device, and are deleted when you
delete the app.
Children
Flashline collects no personal information from anyone, including children.
Changes
If this policy changes, the new version will be posted here with a new date. A change that collected any personal data
would be described in the app before it took effect.
Contact
Questions about privacy: digitalstructures@proton.me.
Help with the app: Support.