Privacy Policy
Last Updated: April 2026
1. Introduction
Welcome to HolyLang by AlphaSynth AI ("we," "our," or "us"). We respect your privacy and are committed to protecting it through our compliance with this policy. This Privacy Policy describes the types of information we may collect from you when you visit `holylang.com` and use our AI language tutoring services.
2. Information We Collect
We collect several types of information to provide and improve our service, including:
- Account Data: Email addresses, names, and authentication identifiers processed securely via Clerk.
- Usage Data: Information tracking your progression, features accessed, native/target language selections, and analytics routed anonymously through PostHog Cloud.
- AI Interaction Transcripts: Text and Voice recordings processed via OpenAI in real-time. (We strictly map inputs into the AI endpoint but do not sell linguistic histories to 3rd party marketers).
- Financial Elements: Processed fully via Stripe. We do not store or process complete credit card information on our servers.
3. How We Use Information
We use your information exclusively to power your language learning, enforce rate-limiting securely, improve the app performance natively, and to process subscription billings.
4. Third-Party Processors
Your data is processed securely through specialized industry leaders:
- Clerk (Identity & Auth)
- Stripe (Payments)
- OpenAI (Intelligence & TTS/STT Processing)
- PostHog (Product Analytics)
5. Your GDPR Rights
You have the right to access, rectify, or erase your personal data at any time. If you wish to close your account and delete your session histories, you may use the in-app delete flow in Settings or follow the public account deletion instructions on our Delete Account page.