This Privacy Policy describes how Cosme (“we”, “us”, or “our”), developed by FeeLogic / Tani Eisenstein, collects, uses, protects, and discloses personal information through the Cosme mobile application (Android & iOS) and the web platform at https://cosme.id.
Cosme is an astrology, natal chart, and celestial almanac platform designed for personal exploration. We respect your privacy: we do not sell user data to data brokers or advertisers, we do not perform tracking across third-party apps, and you retain complete ownership and deletion rights over your personal birth data at all times.
Data you provide directly and technical data required to operate the app
When you register an account on Cosme, we collect your email address, first name, last name, unique username (cosmeName), and an encrypted password hash. This information is used exclusively to authenticate your identity, manage your account, and synchronize your charts across devices.
To calculate accurate natal radix charts, planetary cycles, house cusps, and synastry overlays, you may enter:
This data is strictly utilized by our mathematical ephemeris calculation engines (astronomy-engine and natalengine) to calculate celestial positions and generate visual starmaps.
You may store multiple charts (family, friends, historical figures), add personal notes, tags, create custom synastry comparisons, and submit comments on public Starbase entries.
Cosme offers optional one-time capacity booster packs (+50, +200, +1000 chart slots). All mobile in-app transactions are processed directly by Google Play In-App Billing (on Android) or Apple In-App Purchase (on iOS). On web, transactions are processed via Stripe. Cosme never accesses, processes, or stores your credit card numbers or banking credentials.
When you use our services, we may collect technical data such as your IP address, device type, operating system version, browser type, and anonymous crash logs. This data is used solely for network security, diagnostics, and ensuring platform stability.
Purposes of data processing
Explicit disclosure regarding image uploads
The Cosme mobile app provides optional features allowing users to customize their profile picture or associate a visual avatar with their saved natal charts:
We do NOT sell personal data
Cosme does NOT sell, rent, or trade your personal data, birth dates, or location coordinates to third parties, data brokers, or advertisers.
We only disclose data to trusted infrastructure and service providers strictly necessary to deliver our services, under confidentiality agreements:
Google Play In-App Billing (Google LLC) and Apple StoreKit (Apple Inc.) to process mobile purchases.
Secure European Union servers and encrypted object storage for account records and chart backups.
Mapbox and OpenStreetMap APIs to convert city names into latitude/longitude for chart calculations.
Stripe Inc. for secure credit card handling on web transactions.
Complete control over your personal data
In compliance with the General Data Protection Regulation (GDPR), California Consumer Privacy Act (CCPA), and Google Play user data standards:
Settings > Delete Account) or on the web settings page.Cosme is not directed to individuals under the age of 13 (or under 16 in the European Economic Area). We do not knowingly collect personal information from children. If you believe a child has provided us with personal data, please contact us immediately at tanieisenstein@gmail.com, and we will promptly remove such records from our systems.
If you have questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact the developer: