LBF '23 Special Offer

This offer is just for publishers. If you're an author, please head over to our author sign-up page.

The Deal

Start using our transformative technology with an extended 90-day opt-out period. Outside of this special offer, clients will have 30 days to opt out of their annual contracts.

How do you get this deal? Email us and ask for Proofcheck's LBF contract.


Contracts are signed on an annual basis with contract prices based on a) the expected volume of books uploaded to Proofcheck and b) commercial or non-profit registration status. We do not price based on the number of customer accounts, so you can have as many staff and freelancers as you want on our platform.

Contracts are payable on a monthly or annual (prepaid) frequency.

Contact us to book a demo and learn more about pricing.