Legal

Privacy Policy

Last updated: June 2025

Your data stays on your device. Always. TrueTime does not collect, store, or transmit any personal information to any server. There are no accounts, no sign-ups, and no tracking of any kind.

Overview

TrueTime is designed to work entirely on your device. All calculations — solar time, sunrise, sunset — happen locally using publicly available astronomical formulas (NOAA Solar Algorithm). No data is ever sent to us.

Location Data

TrueTime uses your device's GPS to calculate the sun's position at your precise location. This data:

You may deny location permission. In that case, TrueTime will ask you to manually search for your city.

City Search

When you search for a city by name, TrueTime sends the city name to Photon, an open-source geocoding service by Komoot, to retrieve latitude and longitude coordinates.

Analytics & Advertising

TrueTime contains:

We have no visibility into how you use the app.

Home Screen & Lock Screen Widgets

TrueTime widgets display solar time on your home screen and lock screen. Widgets read the same solar boundary data already stored on your device by the app. No additional data collection occurs.

Children's Privacy

TrueTime does not knowingly collect any information from children under 13. As the app collects no personal information from anyone, it is safe for all ages.

Changes to This Policy

If this policy changes, we will update the date at the top of this page. Continued use of the app constitutes acceptance of any updated policy.