FirstInAgent ONE is a specialized closing cost app tailored for Real Estate Professionals, available on iPhone and iPad. It provides preloaded calculations and closing costs, enabling users to effortlessly generate Buyer Estimates and Seller Net Sheets. The app offers customization options for email/printouts to enhance client communication and experience.

For enhanced features, users can opt for the ONE Premium subscription at $0.99 per month or $9.99 per year. The subscription can be canceled at any time during the 30-day free trial, with auto-renewal options available. With ONE Premium, users get access to advanced functionalities and tools for efficient real estate transactions.