Legal
Privacy Policy
Last updated: October 5, 2026
Who We Are and What This Covers
Sunday Tech Private Limited (“Astro OS”, “we”, “us”) operates the website astro-os.co and the Astro OS mobile app for Android and iOS. This policy explains what personal information we collect through either of them, how we use it, who we share it with, and how you can delete it.
The website and the app use separate accounts. An account created on astro-os.co does not sign you in to the app, and the reverse is also true. Where the website and the app handle data differently, this policy says so.
Information We Collect
We collect only what we need to create your account and generate your readings. Most of it you give us directly.
| Information | Website | App |
|---|---|---|
| Email address and password (the password is stored only as a secure hash) | Yes | Yes |
| Username | No | Yes |
| Name, date of birth, time of birth and place of birth | Yes | Yes |
| Life-focus goals you select | Yes | Yes |
| Questions you ask and the readings we generate for them | Yes | Yes |
| Daily readings generated for you | No | Yes |
| Number of questions you have asked (to apply the free limit) | No | Yes |
| Purchase history (orders, plan, prepaid credits) | Yes | No |
| Subscription status (Pro or free, expiry date, which app store) | No | Yes |
| Referral code you signed up with, and referral credits | Yes | No |
| Usage analytics (pages viewed, purchase steps, how you found us) | Yes, see Analytics | No |
We also receive your IP address with every request. We use it briefly to block abuse, such as repeated sign-up or login attempts, and it may appear in our hosting provider’s logs.
We do not collect your contacts, photos, precise location, advertising ID or payment card details.
How We Use Your Information
We use your information to:
- generate your readings and daily readings from your birth details, goals and question
- run your account, including your reading history, purchases and subscription status
- apply free limits, prepaid credits, referral credits and paid access
- respond to support and deletion requests
- keep the service secure and prevent abuse
- understand how the website is used (website only, see Analytics)
We do not sell your personal information. We do not show ads, and we do not use your data for advertising.
Service Providers We Share Data With
We share data only with companies that help us run Astro OS, and only what each one needs. They process it on our behalf and may not use it for their own purposes.
| Provider | What they do | What they receive | Used by |
|---|---|---|---|
| Google (Gemini) or Groq | AI models that write your reading | Name, birth details, goals and question | Website and app |
| LocationIQ or OpenStreetMap Nominatim | Turn your place of birth into coordinates and a time zone | Place of birth only | Website and app |
| MongoDB Atlas | Database | All account and reading data | Website and app |
| Railway | Hosts our servers | All data passing through our servers, including IP address | Website and app |
| Vercel | Hosts the website | Website requests, including IP address | Website |
| RevenueCat | Manages app subscriptions | Your account ID and subscription purchase history | App |
| Google Play / Apple App Store | Process app payments | Payment details you give them directly | App |
| Razorpay | Processes website payments | Order amount, and payment details you give them directly | Website |
| PostHog | Website analytics | Usage events, see Analytics | Website |
| Expo (EAS Update) | Delivers app updates | Device platform, app version and a random install ID; no personal data | App |
We may also disclose information if the law requires it, or to protect our users or the service.
Payments and Subscriptions
We never see or store your card or bank details. Payments are handled entirely by the payment provider.
- In the app: Astro OS Pro is an auto-renewing subscription bought through Google Play (or the Apple App Store on iOS). RevenueCat tells us whether your subscription is active. You can cancel at any time in your Google Play or App Store subscription settings.
- On the website: readings are one-time purchases processed by Razorpay. There is no recurring charge on the website.
Refunds are covered by our Cancellation & Refund Policy. App purchases also follow Google’s and Apple’s own refund processes.
Analytics
The app contains no analytics or advertising tools.
On the website, we use PostHog to understand how the site is used and which channels bring visitors to us. This covers usage events, such as pages viewed and purchase steps completed, and how you arrived, such as UTM parameters and the referring website. We do not record sessions or track clicks automatically. Analytics never includes your question, birth details or payment details.
How Long We Keep Data
We keep your data for as long as your account exists, unless a different period is listed below.
| Data | How long we keep it |
|---|---|
| Account details, birth details and goals | Until you delete your account |
| Reading history (website and app) and daily readings (app) | Until you delete your account |
| Unpaid, abandoned website orders | Deleted automatically after 24 hours |
| Subscription status (app) | Until you delete your account |
| Generated reading text in our internal cache, used to answer identical requests faster | Kept after account deletion. It is stored under a one-way code made from the reading’s inputs, so it is not linked to your account and cannot be looked up by your name or email. |
| Referral records (website): the email addresses of the person who referred and the person referred | Kept after account deletion, to prevent referral abuse |
| Records kept by RevenueCat, Google Play, Apple and Razorpay | Under their own policies, including legal record-keeping for payments |
We may keep payment records for longer where tax or accounting law requires it.
Deleting Your Account
You can permanently delete your account and its data at any time. Because the website and app accounts are separate, delete each one you have.
- In the app: go to Profile → Delete Account and enter your password. Your account, question history and daily readings are deleted immediately.
- On the website: go to Account → Settings and choose to delete your account, then enter your password. Your account, readings and order history are deleted immediately.
- App account, without the app: use the form at astro-os.co/delete-app-account. Your app account is deleted immediately.
- By email: write to admin@astro-os.co from your account’s email address, saying which account to delete (website, app or both). We will confirm once it is done, within 30 days.
Deleting your app account does not cancel an active subscription. Cancel it in your Google Play or App Store subscription settings to stop future charges.
Security
All data between the app or website and our servers is encrypted in transit using HTTPS. Passwords are stored only as secure hashes, never in readable form. In the app, your sign-in token is kept in your device’s secure storage. No system is perfectly secure, but we limit access to your data to what is needed to run the service.
Children
Astro OS is intended only for people aged 18 and over. We do not knowingly collect personal information from anyone under 18. If you believe someone under 18 has created an account, email admin@astro-os.co and we will delete it.
Your Rights
Depending on where you live, you may have the right to:
- see the personal information we hold about you
- correct it. You can edit your name, birth details and goals in the app’s Profile or the website’s account settings.
- delete it (see Deleting Your Account)
- withdraw consent by deleting your account, which stops all further processing
- complain to your local data protection authority
To use any of these rights, email us from your account’s email address. We will reply within 30 days.
Contact
Questions, requests or complaints about this policy can go to Sunday Tech Private Limited at admin@astro-os.co.