Membership Integrity System is a cloud-based solution for gyms and clubs that helps with event organization, invoice processing, and payment management. Key features include attendance tracking, barcode scanning, waiver management, online class booking, text messaging, multiple user accounts, electronic signature, and reporting. The application allows staff members to regulate billing frequency, add payment methods, and send rejection alerts to customers. Members can use self-service portals to renew plans, purchase memberships, update personal information, and view payments. Trainers can track member progress by measuring weight loss/gain, body mass index, and blood pressure. The receivables feature allows account managers to track sales tax.