mobile and web app for property managment with payment

**Please put links to apps you have made in your bid. I am looking for a skilled mobile and web app developer to develop an application for property management with payment. The app should be available on both iOS and Android platforms. Among other features, the app should include the ability to accept payments using Credit/Debit Cards, PayPal, and Bank Transfers. 1- User Registration and Authentication: Allow landlords and tenants to register and create user accounts. Implement authentication mechanisms to ensure secure access to the app. 2-Property Management: Enable landlords to add and manage their rental properties. Include features to track property details, such as address, unit number, and lease information. 3-Rent Tracking and Invoicing: Provide a system for landlords to generate rent invoices and track payment due dates. Send automated notifications to tenants regarding upcoming rent payments. Allow tenants to view and download their rent invoices. 4-Payment Gateway Integration: Integrate with payment gateways to facilitate online rent payments. Offer multiple payment options, such as credit/debit cards, bank transfers, or digital wallets. Ensure secure and encrypted transactions. 5-Reminders and Notifications: Send automated reminders to tenants for rent payments. Notify landlords of rent received or any outstanding payments. 6-Expense Tracking: Allow landlords to track and manage property-related expenses, such as repairs, maintenance, and utilities. Provide reports and summaries of expenses for better financial management. 7-Document Management: Enable landlords to upload and store important documents related to each property, such as lease agreements and tenant information. Allow tenants to access their lease documents and other relevant information. 8-Communication: Provide a messaging or chat feature for landlords and tenants to communicate regarding rent-related matters. Allow tenants to report maintenance issues or request repairs. 9-Reporting and Analytics: Generate reports for landlords, summarizing rent collection, expenses, and financial performance. Provide analytics and insights to help landlords make informed decisions regarding their properties. Mobile and Web Compatibility: Develop a responsive design that ensures optimal user experience on both mobile devices and web browsers. Consider using a cross-platform framework to streamline development for mobile apps. My expectation is delivery in 50 days . Which includes: 1- Define project scope. 2- Development 3- testing 4- Deployment and Post launch support. 5- Code documentation (clear and comprehensive documentation is crucial) 6- user and troubleshooting guide.