About LoanBook

LoanBook is mortgage management software that provides mortgage professionals and homeowners with the most accurate, personalized mortgage rating data in the industry. The brainchild of a mortgage industry veteran, a software entrepreneur and a seasoned sales executive, LoanBook combines years of industry expertise into an online solution that anyone can use.

What makes LoanBook unique is the ability for both the loan officer AND the borrower to establish mutually exclusive ‘rate’ and ‘savings’ alerts based upon the preferences of each client. With an easy-to-use layout and the convenience of a secure, web-based login for both the client and loan officer, LoanBook was born as a product of Ratespring, LLC, a Wisconsin limited liability company. Now, with leading financial institutions nationwide as LoanBook clients, thousands of loan officers are capable of experiencing the benefits in service to their clients.

Ratespring, LLC is headquartered in Milwaukee, Wisconsin and was founded in 2008. For more information on Ratespring or its services, please contact us.


The LoanBook system is real-time mortgage management software for loan officers and their mortgage enterprise. The LoanBook system uses industry-leading lender rates, custom mortgage alerts and loan data specific to each borrower to provide the most accurate mortgage rate data available. For more information, email info@ratespring.com.