Cookies Policy

Last updated: 13 February 2026

What this policy covers

When you use justify.app, we place a small number of cookies on your device and use browser storage to make the service work. This policy tells you exactly what they are, why we use them, and how to control them.

We do not use Google Analytics, tracking pixels, or third-party advertising cookies.

1. Strictly necessary cookies

These cookies are required for the platform to function. They cannot be switched off.

Cookie Provider Purpose Duration
__session Clerk Authenticates your session after sign in Session
__clerk_db_jwt Clerk Stores your encrypted authentication token Session
__csrf_token Justify Prevents cross site request forgery attacks Session
Stripe session cookies Stripe Processes payments securely during checkout Session


Legal basis:
Legitimate interest (security) and performance of contract (authentication, payments).

2. Functional cookies

These cookies remember choices you make to improve your experience. You may disable them, but some features will not work as expected.

Cookie / Storage Purpose Duration
justify_ref (cookie) Preserves your referral or promo code through sign up 7 days
justify_referral_code (localStorage, sessionStorage) Backup storage for referral code across sign in redirects Persistent / Session
show_demo (cookie) Triggers the interactive product walkthrough for new users Session
justify_walkthrough_seen (localStorage) Remembers that you have completed the walkthrough Persistent


Legal basis:
Legitimate interest (providing a complete user experience).

3. Analytics

We use Vercel Analytics and Speed Insights to measure page performance (load time, interactivity, visual stability). These tools send anonymised beacon requests. They do not set cookies. No personal data is collected; we see only aggregate metrics.

Legal basis: Legitimate interest (maintaining and improving service performance).

4. Marketing

We load the HubSpot tracking script after you accept non-essential cookies. HubSpot may set its own cookies to track page views, form submissions, and engagement across sessions.

Cookie prefix Provider Purpose Duration
__hs*, hubspotutk, __hstc, __hssc HubSpot Visitor identification, session tracking, attribution 30 minutes to 13 months


You can withdraw consent at any time via the cookie preference centre in the site footer.

Legal basis: Consent (collected via cookie banner before non-essential cookies are set).

5. How to manage cookies

Cookie banner: When you first visit justify.app, a banner lets you accept or reject non-essential cookies. You can change your preferences at any time from the site footer.

Browser settings: All major browsers let you block or delete cookies:

Blocking strictly necessary cookies will prevent you from signing in.

6. Updates

The date at the top of this page reflects the most recent revision.

7. Contact

Justify Ltd, registered in England and Wales (company number 16000647).

Registered address: Sunnyside, Back Lane, Stratford-upon-Avon, Warwickshire, CV37 8XA, United Kingdom. ICO registration: CSN2326977.

Contact our Data Protection Officer via the in-app chat.

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