Last Updated: November 1, 2026
We stand behind PreFlight EPUB. If our one-click fixer or EAA remediation tool fails to resolve your EPUB validation errors or fails to get your file accepted by retailers (Amazon KDP, Apple Books, Kobo, IngramSpark), you are eligible for a full refund within 14 days of purchase.
You may cancel your recurring subscription at any time without penalty. You can cancel directly via:
Upon cancellation, you will retain access to your plan until the conclusion of the currently paid billing period.
To request a refund, simply email support@preflightepub.com with your order reference number or the email used during checkout. Our team processes refund requests within 24 to 48 hours. Refunds will be credited to your original payment method via Lemon Squeezy.