Cookie Policy
Last updated: July 8, 2026
This Cookie Policy explains how MINDMASTERY INC ("we," "us," or "our"), the company behind SENTIO, uses cookies and similar tracking technologies when you visit or interact with our website at mysentio.app and any related subdomains or services.
By continuing to use our website, you consent to the use of cookies as described in this policy. You can manage your preferences at any time using the methods outlined below.
1. What Are Cookies?
Cookies are small text files placed on your device (computer, tablet, or smartphone) when you visit a website. They allow the site to recognize your device and store certain information about your preferences or past actions. Cookies may be set by the website you are visiting ("first-party cookies") or by third-party services that appear on the page ("third-party cookies").
Similar technologies include pixel tags, web beacons, local storage, and scripts that collect and track information to improve and analyze our services.
2. How We Use Cookies
We use cookies and similar technologies for the following purposes:
- Essential operation — to authenticate you, maintain your session, remember your preferences, and ensure the website functions correctly.
- Functional integration — to securely connect your wearable devices (such as WHOOP, Oura, Fitbit, Withings, and Garmin) via OAuth and store authorization tokens.
- Analytics and performance — to understand how visitors interact with our website, which pages are most popular, and where users encounter issues.
- Advertising and measurement — to measure the effectiveness of our advertising campaigns and attribute conversions.
- Payment processing — to securely process transactions and prevent fraud.
3. Types of Cookies We Use
Strictly Necessary Cookies
These cookies are essential for the website to function. They enable core features such as authentication, session management, and security. You cannot opt out of these cookies because the website would not work without them.
| Provider | Cookie / Technology | Purpose | Duration |
|---|---|---|---|
| SENTIO | sentio_access | Access gate and session management (httpOnly) | Session / up to 30 days |
| Firebase (Google) | Authentication tokens | Securely identify and authenticate users | Up to 1 year |
| Solidgate | Payment session cookies | Secure payment processing and subscription management | Session |
Functional Cookies
These cookies enable enhanced functionality, such as connecting third-party wearable devices to your account. They are set only when you explicitly authorize a device integration.
| Provider | Cookie / Technology | Purpose | Duration |
|---|---|---|---|
| WHOOP | whoop_token, state | Store OAuth authorization for WHOOP wearable integration (httpOnly) | Session / until revoked |
| Oura | oura_token, state | Store OAuth authorization for Oura Ring integration (httpOnly) | Session / until revoked |
| Fitbit | fitbit_token, state | Store OAuth authorization for Fitbit integration (httpOnly) | Session / until revoked |
| Withings | withings_token, state | Store OAuth authorization for Withings integration (httpOnly) | Session / until revoked |
| Garmin | garmin_token, garmin_pkce, state | Store OAuth authorization for Garmin integration (httpOnly) | Session / until revoked |
Analytics and Performance Cookies
These cookies collect information about how you use our website, such as which pages you visit and whether you encounter errors. This data is aggregated and used to improve our website. Analytics tracking is loaded conditionally and may not be present on all pages.
| Provider | Cookie / Technology | Purpose | Duration |
|---|---|---|---|
| Google Analytics (GA4) | _ga, _ga_* | Distinguish unique users, track sessions, and analyze site usage | Up to 2 years |
| Plausible Analytics | Cookieless tracking | Privacy-friendly page view and event analytics (no personal data stored) | N/A (no cookies) |
Advertising and Measurement Cookies
We use server-side event tracking to measure the effectiveness of our advertising campaigns on Meta (Facebook/Instagram) and TikTok. These integrations operate via backend webhooks and may set cookies when you interact with ads that lead to our website.
| Provider | Cookie / Technology | Purpose | Duration |
|---|---|---|---|
| Meta (Facebook/Instagram) | _fbp, _fbc, fbclid | Measure ad performance, attribute conversions from Meta advertising campaigns | Up to 90 days |
| TikTok | _ttp, ttclid | Measure ad performance and attribute conversions from TikTok campaigns | Up to 90 days |
4. Third-Party Cookies
Some cookies are placed by third-party services that appear on our pages or process data on our behalf. We do not control these cookies. The third-party providers listed above have their own privacy and cookie policies, which we encourage you to review:
- Google (Analytics, Firebase) — policies.google.com/privacy
- Plausible Analytics — plausible.io/data-policy
- Meta Platforms — facebook.com/privacy/policy
- TikTok — tiktok.com/legal/privacy-policy
- Solidgate — solidgate.com/privacy-policy
5. How to Manage Cookies
Browser Settings
Most web browsers allow you to control cookies through their settings. You can typically find these options in the "Privacy," "Security," or "Cookies" section of your browser preferences. You can choose to block all cookies, accept all cookies, or be notified when a cookie is set. Note that blocking essential cookies may impair the functionality of our website, and blocking functional cookies will prevent wearable device integrations from working.
Opt-Out Links
- Google Analytics: Install the Google Analytics Opt-out Browser Add-on
- Meta (Facebook): Adjust your ad preferences at facebook.com/adpreferences
- TikTok: Manage your ad settings at tiktok.com/setting
- General opt-out: Visit optout.aboutads.info (DAA) or youronlinechoices.eu (EDAA)
Wearable Integrations
You can disconnect any wearable device at any time through your account settings. Disconnecting a device will delete the associated OAuth tokens from our servers and remove the corresponding cookies from your browser.
Mobile Devices
On mobile devices, you can limit ad tracking through your device settings:
- iOS: Settings > Privacy & Security > Tracking
- Android: Settings > Privacy > Ads
6. Data Collected Through Cookies
Cookies and similar technologies may collect the following types of information:
- IP address and approximate geographic location
- Browser type and version, operating system, and device type
- Pages visited, time spent on pages, and navigation paths
- Referring URL (the page that led you to our site)
- Interactions with website elements (clicks, scrolls, form submissions)
- Transaction-related data (processed securely by Solidgate)
- Wearable device authorization tokens (stored as httpOnly cookies, not accessible to client-side scripts)
For full details on how we handle personal data, please refer to our Privacy Policy.
7. Data Retention
Cookie lifetimes vary by type and provider, as indicated in the tables above. We retain analytics data for up to 14 months. Advertising data is typically retained for 90 days or less by the respective advertising platforms. Wearable OAuth tokens are retained until you disconnect the integration. You can delete cookies stored on your device at any time through your browser settings.
8. International Data Transfers
Some of our third-party cookie providers may process data outside of your country of residence. Where applicable, we rely on Standard Contractual Clauses and other appropriate safeguards to ensure adequate protection of your data, in accordance with applicable privacy laws.
9. Your Rights
Depending on your jurisdiction, you may have the right to:
- Access the personal data collected about you through cookies
- Request deletion of such data
- Opt out of the sale or sharing of personal information (as defined under the CCPA/CPRA)
- Withdraw consent for non-essential cookies at any time
To exercise any of these rights, please contact us at the address below. We will respond within the timeframe required by applicable law.
10. Changes to This Policy
We may update this Cookie Policy from time to time to reflect changes in the cookies we use or for other operational, legal, or regulatory reasons. When we make changes, we will update the "Last updated" date at the top of this page. We encourage you to review this page periodically.
11. Contact Us
If you have any questions about our use of cookies or this Cookie Policy, please contact us:
MINDMASTERY INC
12555 Biscayne Blvd, Office #1152, North Miami, FL 33181, USA
Email: support@mysentio.app
Website: mysentio.app