Privacy Policy for « Lunar Phase »
Last updated: 01/19/2026
🌐 View the official version online
We are committed to protecting the privacy of our users and processing your personal data
with transparency and in accordance with applicable regulations.
This Privacy Policy explains how we, « Lunar Phase »
(hereinafter « We »), collect, use, disclose, and protect the information
you provide to us
when you use our application « Lunar Phase » (hereinafter
the « Application »).
1. Information Collection
We collect the following types of information:
A. Automatically Collected Information (Technical Execution Data)
This data is necessary for the proper functioning of the Application and is not stored on
our servers.
- Regional Settings (Language and Country): Used to display the Application in your preferred
language and adapt regional formats.
B. Information Stored Locally on Your Device
This data is stored only on your own device (phone, tablet, etc.) and is never transmitted to our
servers.
- Preferences: Stored locally if you choose to save them, including:
- The Last Used Location (latitude, longitude, timezone, city and country).
- Your Favorite Locations (same data as the Last Location).
- The View Display Configuration.
- The Distance Unit.
- The Azimuth Reference.
- The Data Display Configuration.
C. Remote Configuration Information (Remote Config)
This data is retrieved from our servers (or the third-party service used for hosting this
configuration)
in the form of a JSON file to determine the active features and service providers within the
Application.
- Nature of data collected: Keys/Values of service configuration (e.g.,
"feature.service.geocoding.enabled", "feature.service.places.enabled",
"feature.service.map.provider"). This data is technical and does not contain any directly
identifying information about you.
- Configuration Data: Cached locally on your device (in the same way as your Preferences) to
ensure quick startup and offline use.
D. Information Collected with Your Explicit Consent (Location Data)
We only collect or use this information after obtaining your explicit consent via your operating
system's permissions.
- Precise Location (latitude, longitude, city and country):
- Usage: Only used during the execution of the Application to calculate and display
precise lunar phases and rise/set times.
- Storage: If you enable the function to memorize the « Last Location »
in the Preferences, this data is stored locally on your device.
2. Use of Information
We use the collected information for the following purposes (The legal basis for processing this
data
is the execution of the contract between Us and the user for the provision of the Application's
services):
- Application Functionality: To provide the core services of « Lunar Phase »,
including
the precise calculation of astronomical data.
- Service and Feature Management: Remote configuration information is used to enable, disable,
or select the service provider (e.g., for maps or place search) necessary for the
Application's operation.
- User Experience Personalization: To adapt the display and content based on your Preferences
and Location.
- Widget Functionality: To display accurate data on your home screen widgets, the Application requires the "Last Used Location" to be saved in your Preferences. This allows the widget to refresh astronomical calculations without needing to open the main Application.
- Personalized Advertising: To display relevant advertisements via Google AdMob
(see
Section 4).
3. Sharing and Disclosure of Information
We are committed to not selling, trading, or renting your personal information to third
parties.
Your locally stored data (Preferences, Last Location) is not shared because it does not leave
your device.
Remote Configuration Data is not personal data and is used solely by the Application for
technical reasons.
We may disclose information:
- To third-party service providers: Only those described in Section 4 (Third-Party Services), who
process data on our behalf.
- Legal Compliance: If required by law or if we believe that such action is necessary to
comply with a legal obligation.
4. Third-Party Services
A. Firebase Hosting
The Application uses Firebase Hosting (a Google Cloud service) to host this
Privacy Policy and the remote configuration JSON file.
- Data Collection: When your device accesses these files, Google servers automatically collect
certain technical information, such as your IP address, browser type, and the date/time of
the request. This is necessary to deliver the files securely and reliably.
- Purpose: This data is used solely for infrastructure management, security, and diagnostic
purposes.
- Privacy: The processing of this data is governed by Google's privacy policy.
- Useful Link:
B. Google Maps & Places
The Application uses Google Maps & Places services to provide mapping features, geocoding and location search.
- Data Collection: By using Google Maps & Places, certain data may be transmitted to Google, including your IP address, location data (if authorized), and search terms entered.
- Terms and Privacy: Use of these services is subject to the Google Maps/Google Earth Additional Terms of Service and the Google Privacy Policy.
- Useful Links:
C. MapBox
The Application uses MapBox services for map display and location search.
- Data Collection: MapBox may collect technical information about your device, as well as location and map usage data to improve its services and provide requested features.
- Privacy: The processing of this data is governed by MapBox's privacy policy.
- Useful Link:
{D}. Apple Maps & Geocoding
On supported Apple devices, the Application may use Apple's location services for geocoding.
- Privacy: The processing of this data is governed by Apple's privacy policy.
- Useful Link:
D. Geographic & Community Data Providers
To ensure high accuracy and global coverage, the Application utilize several specialized data providers:
-
OpenStreetMap (Nominatim): Provides open-source geocoding and map data.
(OSM PrivacyOSM Privacy)
-
GeoNames: Used for timezone identification and geographical database lookups.
(GeoNames PrivacyGeoNames Privacy)
-
Lima Labs: Provides specialized map tile services.
(Lima Labs PrivacyLima Labs Privacy)
{F}. Google AdMob
The Application uses Google AdMob, an advertising service provided by Google LLC, to
display ads and fund the development of the Application.
- Data Collection by AdMob: AdMob may collect information such as your device identifier
(Advertising ID), IP address, Application usage data, location data (if authorized and used
for advertising), and your interaction with ads.
- Managing Your Choices: You have two ways to control how your data is used
for advertising:
- Within the Application: You can revisit or revoke your initial
consent at any time by clicking on "Settings / Advertising (Privacy
settings)" in the drawer menu.
- Device Settings: You can also opt-out of personalized ads globally
via your mobile device settings (e.g., "Limit Ad Tracking" on iOS or "Opt out of Ads
Personalization" on Android).
- Google Privacy Policy: Please consult Google's privacy policy for more details:
5. Data Retention
- Execution Data: Regional settings and time zone are not stored.
- Locally Stored Data: Your preferences and last location are retained on your device until
you
modify them, delete them via the Application, or uninstall the Application.
- Remote Configuration Data: The retrieved configuration is cached locally in your Preferences
indefinitely, or until a new configuration is downloaded from the remote service, or until
you uninstall the Application.
- Firebase Hosting Data: Connection logs (including IP addresses) are
retained by Google for a limited period to ensure service security and are processed in
accordance with Google's data retention policies.
- Google Maps & Places Data: Retention periods are determined by Google. You can manage your activity data via your Google account.
- MapBox Data: MapBox retains collected data for a limited period necessary to provide its services (generally less than 30 days for raw location data), in accordance with their privacy policy.
- Other Third-Party Provider Data: Data sent to providers (OpenStreetMap, GeoNames) is retained according to their own respective privacy policies. In most cases, location queries are processed ephemerally and are not permanently stored by these providers in connection with your personal identity through this app.
- AdMob Data: Retention periods are defined by Google and depend on the type of
data (see Google's privacy policy).
6. Your Rights
In accordance with applicable regulations, you have the following rights regarding your personal
data:
- Right of Access and Rectification: You may request access to your data and the correction of
inaccurate data.
- Right to Erasure (« Right to be Forgotten »): You may request the
deletion of your data. Note that, concerning locally stored data (Preferences, Location,
Remote Configuration), this erasure is often carried out directly by resetting these
preferences
within the Application settings or by uninstalling the Application.
- Right to Withdraw Consent: Where you have provided consent for the processing of your data (such as for personalized advertising), you have the right to withdraw it at any time.
- Within the Application: You can manage or revoke your consent at any time by navigating to Settings > Advertising (Privacy settings) in the main drawer menu.
- Device Level: You can also adjust your advertising preferences in your device settings (e.g., "Limit Ad Tracking").
- Right to Object and Restriction of Processing: You may object to the processing of
your data (including for advertising) or request its restriction.
- Right to Data Portability: You may request to receive the data you have provided to us in a
structured format.
To exercise these rights, please contact us at the address provided below.
7. Data Security
We implement appropriate technical and organizational security measures to protect your data
against
unauthorized access, alteration, disclosure, or destruction. Given that most of your data
(Preferences, Location, Cached Remote Configuration) is stored locally, its security also
depends on the security protections
of your device.
8. Changes to this Policy
We reserve the right to update our Privacy Policy. We will inform you of any significant changes
by
publishing the new policy on this page and changing the « Last updated »
date. We advise you to periodically review this Policy to be aware of any modifications.
9. Contact Us
If you have any questions regarding this Privacy Policy, please contact us by email at: