我們收集你的電子郵件用於身分驗證，並收集你自願輸入的兒童成長資料（姓名、出生日期、性別、體重、身高測量等）。收集這些資料僅是為了提供成長追蹤服務。
Your data is stored in a self-hosted PostgreSQL database protected by row-level access control (RLS) and encrypted in transit (TLS). Database backups are compressed and stored with Backblaze B2. We use Plausible Analytics, a cookieless and privacy-friendly analytics tool, to measure aggregate page usage. We never sell your data.
You have the right to access, correct, export, and delete your data at any time. To exercise these rights, email privacy@growchart.app or use the in-app export and deletion features. We will process your request within 30 days.privacy@growchart.app or use the in-app export and deletion features (Settings → GDPR & Health Data Privacy). We will process your request within 30 days.
我們只使用一個用於登入的必要工作階段 Cookie。不使用任何追蹤或廣告 Cookie。
We use Paddle and Stripe for payment processing, Resend for transactional email, Plausible for privacy-friendly analytics, Google Fonts for typography, Sentry for error monitoring, Backblaze B2 for backup storage, and Anthropic / OpenRouter / Google (Gemini) for the optional AI advisor. No data is sold to any third party.
GrowChart 由成年人（父母／監護人）代為孩子操作。我們不會蓄意向未滿 13 歲的兒童直接收集資料。