Restaurant CRM software can help increase revenue by improving customer retention, inventory management and optimizing marketing and sales efforts. By tracking customer information, it can identify and target the most loyal customers and incentivize repeat business through loyalty programs and personalized promotions. Additionally, inventory management feature can help optimize inventory levels and reduce waste, which can lead to cost savings and increase revenue. Furthermore, by analyzing customer data and trends, the restaurant CRM software can optimize marketing and sales efforts, resulting in increased revenue, better ROI and attracting new customers.