Privacy Policy
Last updated: March 14, 2026
1. Introduction
DrillMinds ("we", "our", "us") operates the DrillMinds application (app.drillminds.io) and website (www.drillminds.io). This Privacy Policy explains how we collect, use, store, and protect your information when you use our services. This policy applies to all users of our application and website.
2. Information We Collect
We collect the following types of information:
- Account Information: Your name, email address, and authentication credentials when you create an account
- Usage Data: Information about how you use the application, including calculations performed and features accessed
- Payment Information: Billing details processed securely through Stripe. We never store your credit card information directly
- Device Information: Browser type, operating system, and device type for app optimization
3. Google User Data
DrillMinds uses Google Sign-In (via Firebase Authentication) to allow users to authenticate with their Google account. This section specifically describes how we handle Google user data in compliance with the Google API Services User Data Policy.
3.1 Data Accessed
When you sign in with Google, we access the following information from your Google account:
- Email address — used as your account identifier and for transactional communications
- Display name — used to personalize your experience within the app
- Profile photo URL — used to display your avatar in the app interface
We only request the minimum scopes necessary: email, profile, and openid.
3.2 Data Usage
Your Google user data is used exclusively for the following purposes:
- Authentication: To verify your identity and provide secure access to your DrillMinds account
- Account management: To associate your subscription, preferences, and usage data with your account
- Communication: To send essential account-related emails (verification, password resets, trial reminders, payment confirmations)
- Personalization: To display your name and avatar within the app
We do NOT use your Google user data for advertising, marketing to third parties, or training AI/ML models.
3.3 Data Sharing
Your Google user data is shared only with the following service providers, solely for the purpose of operating our application:
- Firebase (Google Cloud): For authentication and secure data storage
- Stripe: Your email is shared with Stripe to process payments and manage subscriptions
- Resend: Your email is used to deliver transactional emails (verification codes, receipts)
We do NOT sell, rent, or trade your Google user data to any third parties. We do NOT share your data with any advertising networks, data brokers, or information resellers.
3.4 Data Storage & Protection
Your Google user data is stored and protected as follows:
- Storage location: Firebase (Google Cloud Platform), hosted in the United States
- Encryption: All data is encrypted in transit (TLS/SSL) and at rest using industry-standard encryption
- Access controls: Only authorized application processes access your data; no human operators have standing access to individual user data
- Local storage: Calculation data may be cached locally on your device for offline functionality; this data remains on your device and is not transmitted to our servers
3.5 Data Retention & Deletion
We retain your Google user data only for as long as your account is active:
- Active accounts: Data is retained for the duration of your account's existence
- Account deletion: Upon request, we will permanently delete all your personal data, including your Google user data, within 30 days
- Inactive accounts: Accounts inactive for more than 12 months may be deleted after notification
To request deletion of your data, contact us at info@drillminds.io with the subject line "Data Deletion Request". We will confirm deletion within 30 days.
4. How We Use Your Information
- To provide and maintain our drilling calculator services
- To manage your account and subscription
- To send transactional emails (account verification, password resets, payment confirmations)
- To send trial reminders and service-related notifications
- To improve and optimize our application
- To respond to your customer support requests
5. Data Storage & Security
Your data is stored securely using Firebase (Google Cloud Platform) and protected with industry-standard encryption. Calculations performed in the app can be stored locally on your device via the Progressive Web App (PWA) functionality and are not transmitted to our servers unless you explicitly use cloud features. All data transmissions are encrypted using TLS/SSL protocols.
6. Third-Party Services
We use the following third-party services:
- Firebase (Google): Authentication and data storage — Privacy Policy
- Stripe: Payment processing — Privacy Policy
- Resend: Transactional email delivery — Privacy Policy
- Google Gemini AI: AI-powered knowledge base features — Terms
- Vercel: Application hosting — Privacy Policy
Each third-party service has its own privacy policy governing their use of your data.
7. Data Sharing
We do not sell, trade, or rent your personal information to third parties. We do not share your data with advertising networks, data brokers, or information resellers. We may share your information only in the following circumstances:
- With your consent
- To comply with legal obligations
- To protect our rights and prevent fraud
- With service providers who assist in operating our application (as listed above in Section 6)
8. Your Rights
You have the right to:
- Access, update, or delete your personal information
- Cancel your subscription at any time
- Request a copy of your data
- Request deletion of all your data (including Google user data)
- Revoke Google Sign-In access at any time via your Google Account permissions
- Opt out of non-essential communications
To exercise any of these rights, contact us at info@drillminds.io.
9. Cookies
DrillMinds uses minimal cookies and local storage for authentication and user preferences. We do not use advertising cookies or third-party tracking cookies.
10. Children's Privacy
DrillMinds is designed for professional drilling engineers and is not intended for children under 13. We do not knowingly collect information from children under 13.
11. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "Last updated" date.
12. Contact Us
If you have any questions about this Privacy Policy, contact us at: