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Project Title: Flutter + Firebase App — DESS LocaFácil | Car Rental MVP for Android and iOS Project Description: I am looking for an experienced mobile app developer to build an MVP for a cross-platform app called DESS LocaFácil. The app will help small entrepreneurs start and manage a small car rental business focused on vehicles rented to ride-share drivers, delivery drivers and executive transportation drivers. The first version must be simple, professional, functional and ready for market validation. The app must work on Android and iOS, preferably using Flutter with Firebase. Preferred stack: - Flutter - Firebase Authentication - Cloud Firestore - Firebase Analytics, if possible - Firebase Storage only if needed The proposal may suggest alternatives, but must explain why. Important: Login and Cloud Database The app must have: - user registration; - login with e-mail and password; - password recovery; - logout; - cloud database; - data separated by user/company; - basic user status control; - basic structure for future paid plans. The app must not be only offline/local. Each user must only access their own data. I also need to identify users who register in the app. At minimum, the database should allow me to see: - user name; - e-mail; - phone; - company/rental business name; - registration date; - last login date, if possible; - number of vehicles registered; - number of drivers registered; - user plan: free, pro or admin; - user status: active, blocked or trial. A full admin panel is not required for version 1, but the database structure must be prepared for future admin control. If you can include a simple admin screen/panel, mention it as optional. Main Features Required: 1. Company / Rental Business Profile Fields: - company or rental business name; - responsible person name; - CPF or CNPJ; - phone; - e-mail; - city/state; - Pix key; - bank details, optional; - logo, optional. 2. Dashboard The dashboard must show: - total registered vehicles; - rented vehicles; - available vehicles; - vehicles under maintenance; - active drivers; - active rentals; - pending payments; - overdue payments; - total received in the current month; - next payment due dates. 3. Vehicle Registration Fields: - plate; - brand; - model; - year; - color; - vehicle type: standard, Comfort, Black, electric, hybrid, utility, van, other; - owner name; - weekly rental price; - biweekly/monthly rental price, if applicable; - weekly mileage limit; - extra mileage price; - current mileage; - status: available, rented, maintenance, inactive; - notes. The user must be able to create, edit, view, deactivate/delete and filter vehicles. 4. Driver Registration Fields: - full name; - phone; - CPF; - driver license number; - address; - city/state; - apps used: Uber, 99, delivery, executive transportation, other; - experience time; - status: under review, approved, rejected, active, inactive; - notes. The user must be able to create, edit, view, deactivate/delete and filter drivers. 5. Rental Registration The rental record must link one vehicle to one driver. Fields: - vehicle; - driver; - start date; - end date, if applicable; - billing type: weekly, biweekly or monthly; - rental amount; - security deposit amount; - due date; - starting mileage; - mileage limit; - extra mileage price; - company commission, if applicable; - status: active, ended, overdue. 6. Payment Control Fields: - rental; - driver; - vehicle; - payment date; - due date; - amount due; - amount paid; - reference period; - discount; - maintenance deduction; - fine or extra charge; - company commission; - owner payout amount; - payment method; - status: paid, pending, overdue; - notes. Required functions: - register payment; - mark as paid/pending/overdue; - view payment history by driver/vehicle; - calculate owner payout when applicable. 7. Security Deposit Control Fields: - rental; - driver; - vehicle; - deposit amount; - received amount; - received date; - status: received, partial, returned, retained; - return date; - retained amount; - notes. 8. Mileage Control Fields: - starting mileage; - ending mileage; - mileage limit; - extra mileage price; - mileage used; - extra mileage; - extra mileage amount. The app must calculate total mileage used, extra mileage and extra mileage amount. 9. Receipt Text Generator The app must generate ready-to-copy receipt texts: - driver payment receipt; - owner payout receipt; - weekly rental summary; - receipt with maintenance discount; - receipt with extra mileage charge; - security deposit receipt. The generated text must have a copy button. PDF generation is not required in version 1, but it is a plus. 10. WhatsApp Message Generator The app must generate ready-to-copy WhatsApp messages: - payment reminder; - overdue payment warning; - odometer photo request; - inspection video request; - payment thank-you message; - weekly summary to vehicle owner; - maintenance notice; - rental due date notice; - security deposit request. Direct WhatsApp integration is not mandatory. A copy button is enough. A “share to WhatsApp” button is optional. 11. Inspection Checklist The app must include checklists for vehicle delivery and return. Checklist items: - external photos; - internal photos; - odometer photo; - 360-degree video; - tire condition; - fuel level; - vehicle documents; - spare key; - manual; - spare tire; - jack; - warning triangle; - visible damages; - notes. In version 1, the checklist may be text-based with checkboxes. Photo upload is optional and can be quoted separately. 12. Internal Guide The app must include an educational guide section about how to start a small car rental business. Guide modules: 1. How vehicle rental for app drivers works; 2. How to start with one vehicle; 3. How to choose the right vehicle; 4. How to define weekly pricing; 5. How to define a security deposit; 6. How to analyze a driver; 7. How to prepare a contract; 8. How to perform vehicle inspection; 9. How to control payments; 10. How to control extra mileage; 11. How to deal with late payments; 12. How to reduce risks; 13. How to grow the fleet safely. The guide texts can be provided by me. The developer must create the structure to display these modules. Not Required in Version 1: - full admin web panel; - payment gateway; - subscription billing; - bank integration; - digital signature; - vehicle tracking; - GPS; - OCR; - artificial intelligence; - complex reporting; - automatic WhatsApp sending; - marketplace; - multi-language support; - advanced accounting. Source Code and Ownership: The complete source code must be delivered to me at the end of the project. All project files, source code, Firebase structure, database structure, screens, business logic, receipt/message templates and app assets developed for this project will be owned by me/my company. The developer must not reuse, resell or publish this project, source code, brand, app name, database structure or business logic without my written authorization. Required Deliverables: 1. Complete source code with full ownership transferred to me/my company; 2. Flutter project files; 3. Firebase configuration instructions; 4. Android APK for testing; 5. Android AAB for Google Play publishing; 6. iOS build support for App Store publishing; 7. Basic app icon; 8. Firebase Authentication working; 9. Cloud Firestore database working; 10. Basic database security rules; 11. Simple build/run instructions; 12. List of implemented features; 13. List of limitations and suggestions for version 2. Publishing Support: Please include whether you can support: - Google Play publication; - Apple App Store publication; - Android AAB preparation; - iOS build preparation; - Firebase setup; - store screenshots, if needed. For iOS, confirm whether you have access to Mac/Xcode and App Store publishing experience. Expected Timeline: Please include your estimated delivery time in the proposal. I am looking for a fast MVP delivery, but I prefer that you provide a realistic timeline based on the scope. If you can simplify the MVP to deliver faster, please explain what can be delivered first and what should stay for version 2. Preferred Payment by Milestones: I prefer fixed-price proposals with payment by milestones. Suggested milestones: 1. Project setup, Firebase, login, navigation and dashboard layout; 2. Company profile, vehicle, driver and rental registrations; 3. Payment, security deposit and mileage controls; 4. Receipt generator, WhatsApp message generator, checklist and guide section; 5. Testing, fixes, APK, AAB, iOS build support and final source code. Design Expectations: The design must be simple, modern, clean, professional and easy to use. Branding: - App name: DESS LocaFácil; - Simple visual identity for version 1; - Logo/colors can be provided later. Proposal Requirements: Please include: 1. Recommended technology; 2. Confirmation that the app will work on Android and iOS; 3. Confirmation that the app will use Firebase Auth and Cloud Firestore, or your alternative recommendation; 4. Fixed price; 5. Estimated delivery time; 6. Milestones and what is included in each one; 7. Whether Android APK and AAB are included; 8. Whether iOS build support is included; 9. Whether store publishing support is included; 10. Whether full source code and ownership rights are included; 11. Whether Firebase security rules are included; 12. Number of revision rounds included; 13. Similar apps or previous work; 14. Suggestions to simplify the MVP and launch faster. I am looking for a developer who can deliver a clean MVP quickly and professionally, with a structure ready for future improvements such as paid plans, subscriptions, admin dashboard, PDF contracts, document upload, inspection photos, digital signature, push notifications and advanced reports.
Project ID: 40533842
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251 freelancers are bidding on average $546 USD for this job

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need to develop a cross-platform car rental management app using Flutter and Firebase. Your project goal of creating an MVP for DESS LocaFácil aligns perfectly with my background in building high-performance solutions for complex systems, such as serving over 1 million users on Telegram Mini Apps. To ensure scalability and security for your app, I recommend implementing Firebase Authentication and Cloud Firestore as outlined in your requirements. My past success in delivering robust solutions for high-security FinTech projects demonstrates my ability to handle the level of complexity required for this project. I am eager to discuss how we can bring your vision to life. Please feel free to reach out to explore the roadmap for your project further.
$600 USD in 20 days
8.3
8.3

Hello, I understand you want a fully functional cross platform MVP for DESS LocaFácil built in Flutter with Firebase that allows small car rental entrepreneurs to manage vehicles drivers rentals payments mileage deposits and business operations in one clean scalable mobile system with secure user authentication cloud database separation per company and a structure ready for future expansion like paid plans admin panel and advanced reporting I will develop your application using Flutter for Android and iOS with Firebase Authentication and Cloud Firestore ensuring secure login registration password recovery and proper multi tenant data separation so each user only accesses their own business data while the backend is structured for scalability future admin control and subscription plans without breaking changes I will implement all core modules including company profile dashboard vehicle driver and rental management payment and mileage tracking receipt and WhatsApp message generators inspection checklist and internal guide section while keeping the UI simple modern and production ready and I will also prepare APK AAB and iOS build support along with clean Firebase setup security rules and full source code ownership transfer ready for App Store and Play Store deployment Kind regards, Hammad hassan
$400 USD in 12 days
7.2
7.2

Hi, I will develop the car rental management Android, iOS application using Flutter and Firebase as backend. I am developing and deploying applications since 2019. Please message for detailed discussion of project. Best Regards, Faisal Nadeem
$500 USD in 7 days
7.2
7.2

Car Rental Management App for Android and iOS Hello I’m a senior mobile app developer with 9+ years of experience building high-performance iOS and Android applications using React Native, Flutter, Swift, and native Android. I specialize in scalable architecture, smooth UI/UX, API integration, and store-ready deployments. I’ve successfully launched multiple production apps across Google Play and App Store, delivering secure, optimized, and user-friendly solutions. ⭐Due to NDAs, links aren’t public—but once you open the chat, I’ll share live demos and walkthroughs. I’d be happy to discuss your requirements and execution plan. Bid amount is a placeholder and can be discussed over chat. Thanks & Regards Ranjana
$500 USD in 30 days
6.8
6.8

I specialize in creating powerful cross-platform apps that cater to specific business needs. With our expertise, we will develop a robust car rental management solution that aligns perfectly with your objectives. Having 20+ 5-star reviews on similar projects, we are confident in our ability to deliver top-quality work. We understand the importance of user registration, login security, and cloud database management, ensuring data integrity and user privacy. Our team values transparency, responsiveness, and delivering on promises. By collaborating with us, you can expect a solution that not only meets your immediate requirements but also provides long-term value and performance, setting the foundation for future enhancements. Regards, InterconnectBPO
$550 USD in 7 days
6.8
6.8

Hello, I have 10+ years of experience in Flutter, Firebase, React Native, Node.js, and SaaS application development. After reviewing your requirements, I can confidently deliver DESS LocaFácil as a cross-platform Android and iOS MVP using Flutter, Firebase Authentication, Cloud Firestore, and Firebase Analytics. The proposed architecture will support multi-tenant data separation, role-based user management, future subscription plans, secure Firebase rules, and scalable business logic. All core modules including company profiles, vehicle management, driver management, rentals, payments, security deposits, mileage tracking, receipt generation, WhatsApp message templates, inspection checklists, and the educational guide can be implemented within a clean and maintainable structure. I recommend keeping photo uploads, PDF generation, push notifications, advanced reporting, and subscription billing for Version 2 to accelerate market validation and reduce initial development costs. Best regards
$250 USD in 7 days
7.1
7.1

--- Flutter + Firebase Car Rental MVP Development --- I can help build DESS LocaFácil as a clean, scalable Flutter app for both Android and iOS. Here's my approach: → Flutter app with a single codebase for Android and iOS. → Firebase Authentication + Cloud Firestore with secure user-wise data separation. → Core modules including company profile, vehicles, drivers, rentals, payments, deposits, mileage tracking, and dashboard. → Receipt/WhatsApp message generators, inspection checklist, and guide section. → Complete source code, Firebase setup, security rules, APK/AAB generation, and iOS publishing support. Flow Login → Company Setup → Manage Fleet & Drivers → Rentals → Payments → Reports Question Are you open to keeping photo uploads and advanced admin features for Version 2 to accelerate the MVP launch? Lets connect... Thanks
$260 USD in 16 days
7.4
7.4

Hi I can build DESS LocaFácil as a clean Flutter MVP for Android and iOS using Firebase Authentication, Cloud Firestore, Firebase Security Rules, Analytics, and Storage where needed. The main technical challenge is structuring many rental-business modules while keeping each company’s data isolated, secure, scalable, and ready for future paid plans. My solution is to use a modular Flutter architecture with clear models, services, reusable forms, filters, dashboard cards, and Firestore collections scoped by user/company ID. I will implement login, company profile, vehicles, drivers, rentals, payments, deposits, mileage calculations, inspection checklists, internal guide modules, and copy-ready receipt/WhatsApp templates. Firestore rules will restrict each user to their own records, while admin/free/pro/status fields remain prepared for future admin control. I can include Android APK/AAB preparation, Firebase setup instructions, iOS build support, source-code handover, and basic publishing guidance. I have experience with Flutter, Firebase Auth, Firestore, Storage, push-ready structures, clean UI, mobile forms, dashboards, and marketplace/business-management apps. The final codebase will be documented, maintainable, and structured for later features such as subscriptions, PDF contracts, document uploads, inspection photos, and reports. Thanks, Hercules
$500 USD in 7 days
6.6
6.6

Hi there, We’ve developed multiple MVPs using Flutter and Firebase, including a driver-partner app for Uber and a delivery app for Amazon. We understand the importance of launching a product quickly while ensuring it’s robust and scalable. For your project, we can leverage our expertise in web development and backend technologies like Laravel and Node.js to create a secure and efficient server-side solution. This approach allows us to focus on delivering a high-quality product without compromising on backend performance. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$572.46 USD in 7 days
6.7
6.7

Hi I have read your requirements and I am sure I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django and php CodeIgniter mvc and Laravel. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$1,500 USD in 30 days
6.6
6.6

Hello, I understand DESS LocaFácil needs a Flutter + Firebase MVP for Android/iOS with Firebase Auth, Cloud Firestore, company profiles, dashboard, vehicles, drivers, rentals, payments, deposits, mileage, receipt/WhatsApp generators, checklist, guide section, APK/AAB, iOS build support, security rules, and full source ownership. I have experience building Flutter business apps with Firebase authentication, Firestore multi-user data separation, CRUD modules, dashboards, clean UI, secure rules, Android/iOS builds, Google Play/App Store preparation, and scalable structures for future subscriptions, admin panels, uploads, PDFs, and push notifications. I would deliver it in fixed milestones: setup/auth/dashboard, core registrations, rental/payment/deposit/mileage logic, generators/checklists/guides, then testing, APK/AAB, iOS build support, documentation, revisions, and final source-code handover. Q1: Should Version 1 include photo uploads, or keep checklist text-based for faster delivery? Q2: Do you already have Firebase and Apple Developer accounts ready? Q3: What delivery timeline and fixed-price range are you targeting? Best regards.
$500 USD in 7 days
6.6
6.6

Hello! I see you're looking for help with a Flutter + Firebase app for car rental management. For this MVP, I'd focus on creating a user-friendly interface while ensuring efficient data handling with Firebase. Implementing real-time database features could enhance user experience, especially for booking management. Using Flutter will allow us to maintain a single codebase for both Android and iOS platforms, which is a great choice for this project. I'd start by setting up the Firebase backend and then move to the app's frontend development to create the necessary screens for user interactions. Q1: What specific features do you envision for the booking management system? Q2: Are there any third-party integrations you plan to include, like payment gateways or mapping services? Q3: What's your timeline for the MVP launch, and are there specific milestones you want to meet? Let's make this app a success!
$500 USD in 6 days
6.6
6.6

Hi there, We understand you need a professional and functional MVP for a cross-platform car rental management app called DESS LocaFácil, utilizing Flutter and Firebase to manage vehicle rentals for ride-share, delivery, and executive transportation drivers. The app requires user registration, login, cloud database, and specific features like company profile, vehicle and driver registration, payment control, and security deposit management. With 17 years of experience in mobile app development and a 5.0 rating across 458 reviews, Webbook Studio is well-equipped to handle this project. We've built similar apps, such as a music voting mobile app using React Native and a furniture store mobile shopping app using Flutter. Our team will ensure the app is simple, modern, and easy to use, with a focus on delivering a high-quality MVP quickly. What is your expected timeline for the MVP delivery, and are there any specific features you'd like to prioritize for the initial launch? Feel free to message us to discuss the details! — Webbook Studio
$350 USD in 10 days
6.1
6.1

Hello, Your requirement for developing the DESS LocaFácil Car Rental Management App using Flutter and Firebase aligns perfectly with our expertise at Doomshell Software Pvt. Ltd. We specialize in cross-platform mobile application development, Firebase-powered backends, real-time data management, and scalable business automation solutions. We can support you with: ✔ Flutter app development for Android and iOS from a single codebase ✔ Firebase Authentication, Firestore Database, Cloud Functions, and Notifications ✔ Vehicle, booking, customer, and rental management modules ✔ Real-time booking status tracking and dashboard management ✔ Secure user roles, permissions, and data protection implementation ✔ Responsive UI/UX optimized for both customers and administrators ✔ API integrations, reporting features, and scalable architecture ✔ Testing, deployment, and post-launch support Our approach: ✔ Design a scalable Flutter architecture for long-term maintainability ✔ Implement Firebase services for secure and real-time operations ✔ Create intuitive workflows for vehicle reservations and management ✔ Ensure performance, security, and seamless cross-platform experience Quick questions: ✔ Do you already have UI/UX designs and detailed workflow documentation available? ✔ Will the application require online payment integration and real-time vehicle availability management? Regards.
$500 USD in 7 days
6.3
6.3

Hi There!!! ★★★★ ( Flutter Firebase MVP - DESS LocaFácil ) ★★★★ understand DESS LocaFácil MVP. Need Flutter cross-platform app with Firebase Auth/Firestore, user/company isolation, and core modules: vehicles, drivers, rentals, payments, mileage, deposits, receipts and WhatsApp generators with scalable structure for future admin & paid plans. ⚜ Flutter Android/iOS ⚜ Firebase Auth & Firestore rules ⚜ Multi-tenant DB design ⚜ Vehicles, drivers, rentals ⚜ Payments, mileage, deposits logic ⚜ Dashboard UI ⚜ Receipt & WhatsApp templates ⚜ Store builds support 5+ yrs Flutter/Firebase exp. will build clean MVP with milestone delivery and scalable architecture. lets discuss timeline and start soon. Warm Regards, Farhin B.
$256 USD in 10 days
6.6
6.6

Hi there, In any car rental app project like DESS LocaFácil, the challenge of handling secure user data and seamless cross-platform performance is crucial. This often leads to issues with data synchronization and user authentication, especially when scaling for market validation. By using Flutter for a consistent UI and Firebase for robust backend support, I can ensure efficient data management and secure user authentication, setting a strong foundation for future enhancements. Here are my questions to tailor the app to your needs: 1. Could you specify any design preferences or existing branding elements to integrate? 2. Is there a preferred timeline for the initial market testing phase? Let’s discuss your project now!
$450 USD in 14 days
5.8
5.8

Hi, I have experience building Flutter + Firebase apps with authentication, dashboards, Cloud Firestore, and business management systems. I can develop the DESS LocaFácil MVP for Android and iOS with scalable architecture, Firebase integration, and full source code delivery. Best regards, Mehboob Ali
$400 USD in 7 days
6.0
6.0

This feels like a strong MVP candidate because the core challenge isn’t the number of screens, it’s keeping rental, vehicle, driver and payment data connected while ensuring each company only sees its own records. I’d build this in Flutter with Firebase Auth and Cloud Firestore as requested. The first step would be setting up authentication, multi-tenant data separation, security rules, and the user/company structure so future plans, trial accounts, and admin controls can be added without reworking the database later. From there I’d implement the operational modules in order: vehicles, drivers, rentals, payments/deposits, then the receipt and WhatsApp generators. One thing I’d simplify for faster validation is keeping inspections text-based in V1 and leaving photo uploads for V2. That reduces complexity while still covering the workflow users need. I’ve built business management platforms before where clean data relationships mattered more than visual complexity, and that approach fits this project well. I’m ready to start.
$500 USD in 7 days
5.7
5.7

Firebase's multi-tenancy model here is the part worth getting right early. Firestore security rules scoped per userId keep each rental business's data properly isolated, and structuring the user document with a plan and status field from day one means gating features later is a config change rather than a schema migration. For the dashboard aggregations, I'd use Cloud Functions to maintain running counters rather than querying full collections on every load — at MVP scale it's fine either way, but the habit pays off quickly once the data grows. Is the payment control section tracking cash and Pix manually, or do you need actual payment gateway integration in this first version?
$250 USD in 7 days
5.7
5.7

Hi there, I can build your **DESS LocaFácil Flutter + Firebase MVP** as a clean, scalable, production-ready mobile application for both iOS and Android. I have strong experience in Flutter and Firebase, and I’ve built similar multi-module management systems involving authentication, role-based access, CRUD-heavy dashboards, and financial tracking logic. For your project, I will implement a solid Firebase architecture from the start (Auth + Firestore + security rules) and structure the app so it can scale into subscriptions, admin panels, and advanced reporting later without refactoring. The system will include user/company login, vehicle and driver management, rental tracking, payments, deposits, mileage calculations, dashboard analytics, and operational tools like receipts and WhatsApp message generators. All modules will be built with clean architecture and reusable components. I will also ensure proper Firestore structure, secure rules, and optimized data flow so performance remains stable even as data grows. Deliverables will include full Flutter source code, Firebase setup instructions, APK + AAB builds, iOS build support, and clear documentation. I can also assist with App Store and Play Store submission if needed. I can help you simplify the MVP into phased delivery to launch faster while keeping a strong foundation for version 2 features like admin panel, PDF generation, and advanced analytics. I am ready to start immediately. Kind regards
$500 USD in 7 days
5.8
5.8

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