i want to built an app which will all these features Blood Donation Mobile Application Complete Feature List (MVP Version) Platforms Android Mobile Application iOS Mobile Application Cross-platform development (single codebase) Web-based Admin Panel User Roles Blood Donor Blood Receiver Admin (App Owner / Operator) Authentication & User Management Mobile number / Email registration OTP-based login verification Secure user authentication Profile creation & management Role selection (Donor / Receiver) Edit profile details anytime Donor Features Register as blood donor Select blood group Set availability status (Available / Unavailable) Receive blood request notifications Accept or ignore blood requests View distance to requester Navigate to requester location via map Temporarily disable notifications if unavailable Receiver Features Register as blood receiver Search blood by: Blood group Location (5–10 km radius) View nearby donors list Raise blood request Choose urgency level (Normal / Urgent) Share live location automatically Track request status Request ambulance support Make payment (if applicable) Location-Based Features GPS-based location detection Radius-based donor search (5–10 km) Distance calculation between donor & receiver Map view for admin and donors Location sharing during emergency requests Blood Request System Create blood request with: Blood group Units required Urgency level Optional hospital details Request lifecycle: Pending Accepted Completed / Closed Auto-notifications on request creation & updates Push Notifications Real-time push notifications using Firebase Notifications sent to: Nearby donors Admin panel High-priority notifications for urgent requests Request status update notifications Emergency / Urgent Request Button Dedicated urgent action button Triggers: Priority alerts to nearby donors Immediate admin notification Urgent requests highlighted separately Faster donor visibility Ambulance Coordination (Basic – MVP) “Request Ambulance” action button Sends alert to admin with: User location Emergency status Admin manually coordinates ambulance support No live ambulance tracking (Phase-2 feature) Payment Gateway Integration Razorpay / Stripe integration Secure online payments Payment use cases: Urgent request handling Platform service charges Payment status tracking Basic transaction history Admin Panel Features Secure admin login Dashboard overview View all users (donors & receivers) View all blood requests Filter urgent requests Map view of active requests Monitor donor responses View payment transactions Manual coordination & support Backend & Technical Features Secure REST APIs Centralized database Role-based access control Cloud hosting setup (basic) Scalable architecture Push notification service Data security best practices UI/UX & Design Clean medical-themed UI Simple and intuitive navigation Easy onboarding flow Responsive design for all devices MVP-level UI (performance-focused) Reporting & Logs (Basic) User activity logs Request history Payment records Admin monitoring support Security & Compliance (Basic) Secure authentication Encrypted data transmission Payment security via gateway Privacy-focused data handling and also add logictics of blood dilevery