WaSim is a productivity app designed for iPhone users, providing virtual phone numbers specifically for WhatsApp and WhatsApp Business. This application allows users to create an account and verify their identity without the need for a physical SIM card or phone. With a simple one-time payment, users can obtain a clean, private number that is guaranteed to work seamlessly with WhatsApp Business, enabling hassle-free communication with clients and customers.

The app offers a range of features tailored for business use, including the ability to set up a professional business profile that showcases working hours and location. Users can benefit from automated responses, including greetings for new customers and messages for off-work hours. Additionally, WaSim allows for the organization of contacts through labeling, helping businesses maintain a clear distinction between personal and customer communications.