GearProfile (https://gearprofile.app) is a web-based involute gear profile generator. This Privacy Policy explains how we collect, use, and protect your information when you use our service.
1. What Data We Collect
We collect the following information:
- Email address — provided when you create an account.
- Password — stored securely using one-way hashing. We never store your password in plain text.
- Usage data — basic information such as export counts and feature usage for enforcing fair-use limits.
- Session data — temporary session identifiers to keep you signed in.
2. How We Use Your Data
- Account management — to create and maintain your account, authenticate sign-ins, and manage your subscription.
- Transactional emails — to send verification emails, password resets, and subscription-related notifications.
- Service operation — to enforce usage limits and maintain the quality of the service.
We do not sell your personal data. We do not use your data for advertising.
3. Third-Party Services
We use the following third-party providers to operate GearProfile:
- LemonSqueezy — processes subscription payments. When you subscribe, LemonSqueezy handles your payment details. We do not store your credit card information. See LemonSqueezy's Privacy Policy.
- Resend — delivers transactional emails (verification, password reset). Your email address is shared with Resend for this purpose. See Resend's Privacy Policy.
- Railway — hosts our application and PostgreSQL database. Your data is stored on Railway's infrastructure. See Railway's Privacy Policy.
4. Data Retention
We retain your account data for as long as your account is active. If you delete your account, we will remove your personal data within 30 days. Anonymized usage statistics may be retained indefinitely.
5. Your Rights
You have the right to:
- Access your personal data — request a copy of the data we hold about you.
- Delete your account and associated data.
- Update your email address or password from your account settings.
To exercise any of these rights, email us at support@gearprofile.app.
6. Cookies
GearProfile uses session cookies only. These are essential for keeping you signed in and do not track you across other websites. We do not use advertising or analytics cookies.
7. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date. Continued use of GearProfile after changes constitutes acceptance of the updated policy.
8. Contact
If you have questions about this Privacy Policy, contact us at support@gearprofile.app.