HandTrack ("we", "us", or "our") is a Progressive Web App (PWA) for tracking poker games among friends. The service is operated under the brand name HandTrack and is accessible at handtrack.app.
For privacy inquiries, contact us at: [email protected]
We collect the following categories of personal data:
| Category | Data | Source |
|---|---|---|
| Account | Phone number, email address, display name | You provide it during sign-up |
| Profile | Display name, profile avatar (first letter only, auto-generated) | You provide it |
| Game Data | Buy-in amounts, cash-out amounts, profit/loss, transfer records, game dates | You enter it during gameplay |
| Social | Friend connections (who you've added as a friend) | Your actions in the app |
| Technical | IP address, browser type, device type, language preference, session tokens | Automatically collected |
| Usage | Pages visited, features used, time spent (via Google Analytics) | Automatically collected |
| Push Notifications | Notification subscription endpoint (technical identifier), device type | When you enable notifications |
We do not collect: real names (unless you choose them as your display name), financial account information, location data, or any sensitive personal data.
We use the data we collect for the following purposes:
We do not use your data for advertising, profiling, or selling to third parties.
HandTrack relies on the following third-party services to operate. Each has its own privacy policy:
| Service | Purpose | Data Shared | Privacy Policy |
|---|---|---|---|
| Supabase | Database & authentication backend | All user data (stored in their infrastructure) | supabase.com/privacy |
| Google Sign-In | OAuth authentication | Email, name (from Google account) | policies.google.com/privacy |
| Twilio | SMS delivery for OTP codes | Phone number | twilio.com/legal/privacy |
| Cloudflare Turnstile | CAPTCHA / bot protection | IP address, browser fingerprint | cloudflare.com/privacypolicy |
| Vercel | Web hosting & CDN | IP address, request logs | vercel.com/legal/privacy-policy |
| Google Analytics | Usage analytics | Anonymous usage data, IP address (anonymized) | policies.google.com/privacy |
| Firebase Cloud Messaging (FCM) | Push notifications delivery | Device token (technical identifier) | firebase.google.com/support/privacy |
| Sentry | Error monitoring & crash reporting | Error details, browser type, OS, page URL, anonymized IP | sentry.io/privacy |
If you enable push notifications, we store a technical subscription endpoint (provided by your browser or device) to deliver notifications to you. This endpoint is a random identifier that does not contain personal information.
We send notifications when:
You can disable notifications at any time through your profile settings in the app, or through your browser/device notification settings. When you disable notifications, we delete your subscription endpoint from our database.
Google Analytics
We use Google Analytics to understand how users interact with HandTrack (e.g., which features are used most, general usage patterns). Google Analytics collects data such as pages visited, time on page, device type, and general geographic region. IP addresses are anonymized.
You can opt out of Google Analytics tracking by installing the Google Analytics Opt-out Browser Add-on.
Local Storage & Cookies
HandTrack uses browser local storage (not traditional cookies) to store:
This data stays on your device and is not transmitted to our servers (except the session token, which is used for authentication).
Future: Passkeys Planned
We may in the future offer Passkey authentication (WebAuthn standard) as an alternative login method. Passkeys are stored locally on your device and biometric data (fingerprint, Face ID) never leaves your device โ it is not transmitted to HandTrack or any third party. We will update this policy when this feature is introduced.
We do not sell, rent, or trade your personal data.
We share data only in the following limited cases:
We retain your data for as long as your account is active.
You can delete your account at any time from within the app: Profile โ Delete Account. This permanently removes all your personal data, game records, friendships, and transfers.
Regardless of where you live, you have the following rights:
To exercise any of these rights, contact us at [email protected]. We will respond within 30 days.
If you are located in the European Economic Area (EEA), United Kingdom, or Switzerland, you have additional rights under the General Data Protection Regulation (GDPR).
Legal Basis for Processing:
| Processing Activity | Legal Basis |
|---|---|
| Account creation & authentication | Contract performance (Art. 6(1)(b)) |
| Game data, friends, statistics | Contract performance (Art. 6(1)(b)) |
| Analytics (Google Analytics) | Legitimate interests (Art. 6(1)(f)) |
| Security & fraud prevention | Legitimate interests (Art. 6(1)(f)) |
Additional GDPR Rights:
Data transfers outside the EEA: Your data is stored on Supabase (AWS us-east-1, United States). This transfer is covered by Standard Contractual Clauses (SCCs) as implemented by Supabase. See Supabase's privacy policy for details.
If you are a California resident, you have rights under the California Consumer Privacy Act (CCPA):
To exercise your CCPA rights, email [email protected] with the subject line "CCPA Request".
HandTrack is not directed at children under the age of 13 (or under 16 for users in the European Economic Area, as required by GDPR).
We do not knowingly collect personal information from children. If we become aware that a child under the applicable minimum age has provided personal information, we will delete it promptly. If you believe a child has used our service, please contact us at [email protected].
We take security seriously and implement the following measures:
Despite these measures, no system is 100% secure. In the event of a data breach that affects your rights, we will notify you as required by applicable law.
We may update this Privacy Policy from time to time. When we make material changes, we will update the "Last updated" date at the top of this page.
We encourage you to review this policy periodically. Continued use of HandTrack after changes constitutes acceptance of the updated policy.
If you have any questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us: