Compliance & Billing Information
This page summarizes business, pricing, billing, support, and policy information for users and payment-gateway compliance review.
Last updated: February 26, 2026
Legal Name: Zalthar LLP
Brand Name: BigBrained
LLPIN: ACQ-8444
Address: 15 Arjun Marg, DLF Phase 1, Gurgaon, Haryana 122002, India
Support Email: kapur@znskr.com
BigBrained is a digital SaaS platform for flashcard learning and spaced repetition.
Delivery is electronic and immediate after signup/payment confirmation.
No physical goods are sold, packed, or shipped.
No shipping fees apply.
Free
USD 0
No subscription
One flashcard generation and one quiz generation on Gemini Flash; study features for your own content.
Pro
USD 10
Per month
Up to 1,000 pages converted per month with Pro–class models; optional page top-ups.
Max
USD 30
Per month
Up to 3,000 pages converted per month with highest-quality generation tier; optional top-ups.
Taxes are applied as per applicable law. Final payable amount is shown at checkout before payment confirmation.
Subscriptions can be cancelled from account settings or via support email.
Approved refunds are processed to the original payment method.
Full policy: Refund & Cancellation Policy
Payments are processed through a secure third-party payment gateway. We do not store raw card details on our servers.
For billing disputes or failed transactions, contact kapur@znskr.com with transaction ID and registered email.