Contents
1. What Are Cookies?
Cookies are small text files that are placed on your device when you visit a website. They are widely used to make websites work efficiently and to provide information to website owners.
Similar technologies include web beacons, pixel tags, local storage and device identifiers (used in our mobile app). Together, we refer to all of these as "cookies" throughout this policy.
Cookies can be "session" cookies (deleted when you close your browser) or "persistent" cookies (remaining on your device for a set period or until you delete them). They can be set by us ("first-party") or by third-party services we use.
2. How We Use Cookies
We use cookies and similar technologies to:
- Keep you signed in to your account and remember your preferences
- Understand how visitors use our website so we can improve it
- Measure the effectiveness of our features and content
- Deliver relevant information and personalize your experience
- Protect against fraud and ensure the security of our service
- Enable certain app features such as crash reporting and performance monitoring
3. Types of Cookies We Use
Essential Cookies
These cookies are strictly necessary for our website and app to function. Without them, services you have requested cannot be provided. You cannot opt out of these cookies.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| session_id | PlanViz | Maintains your login session | Session |
| csrf_token | PlanViz | Prevents cross-site request forgery | Session |
| cookie_consent | PlanViz | Stores your cookie preference | 12 months |
| auth_token | PlanViz / Firebase | Authenticates your account | 30 days |
Analytics Cookies
These cookies help us understand how people use our site and app by collecting anonymized information about pages visited, time spent and errors encountered. This helps us improve our service.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| _ga, _ga_* | Google Analytics (Firebase) | Distinguishes unique users; tracks session usage | 2 years |
| _gid | Google Analytics | Distinguishes users over 24 hours | 24 hours |
| SL_* | Smartlook | Session recording and heat mapping | 3 years |
| firebase_app_id | Firebase / Google | App analytics and crash reporting | Persistent |
Functional / Preference Cookies
These cookies enable us to remember choices you make (such as language, theme or region) to provide a more personalized experience.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| pv_lang | PlanViz | Remembers your language preference | 12 months |
| pv_theme | PlanViz | Remembers your display theme (light/dark) | 12 months |
| pv_region | PlanViz | Stores your region for localized content | 12 months |
4. Third-Party Cookies
Some cookies are placed by third-party services we use. These services have their own privacy policies governing how they use the data collected:
- Google LLC (Analytics, Firebase, Crashlytics): Google Privacy Policy
- Smartsupp.com, s.r.o. (Smartlook): Smartlook Privacy Policy
- Apple Inc. (App Store, Sign in with Apple): Apple Privacy Policy
We do not currently use advertising or marketing cookies from third-party ad networks.
5. Managing Your Cookie Preferences
You can manage your cookie preferences below. Essential cookies cannot be disabled as they are required for the service to function. Changes take effect immediately and are saved for 12 months.
Essential Cookies
Required for authentication, security and basic site functionality. Always active — cannot be disabled.
Analytics Cookies
Help us understand how you use PlanViz so we can improve the experience. Includes Google Analytics and Smartlook session recording. All data is anonymized.
Functional Cookies
Allow us to remember your preferences like language, theme and region for a more personalized experience.
You can also manage cookies through your browser settings. Most browsers allow you to view, delete and block cookies. Note that blocking all cookies may affect site functionality. Instructions for common browsers:
6. Opting Out of Advertising & Tracking
To opt out of interest-based advertising, you can use the following industry tools:
- YourOnlineChoices (European Interactive Digital Advertising Alliance — EU)
- Network Advertising Initiative (US)
- Digital Advertising Alliance (US)
- DAAC (Canada)
- DDAI (Japan)
- AppChoices (Mobile app opt-out — iOS & Android)
On mobile devices, you can also limit ad tracking through your device's advertising settings (iOS: Settings → Privacy → Tracking; Android: Settings → Google → Ads).
7. 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. We will notify you of significant changes by posting a notice on our website or sending an in-app notification.
The date at the top of this policy shows when it was last updated. We encourage you to review this page periodically.
8. Contact Us
If you have questions about our use of cookies or this policy, please contact us:
- Email: [email protected]
- Address: Unit 12B, Infinity Tower, 88 Kwun Tong Road, Kowloon, Hong Kong
- Phone: +852 3456 7890