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I’m developing a mobile application that must launch on both Android and iOS from a single code-base. Core functionality includes: • Secure user login • Credit/Debit Card Payment integration (Stripe, Braintree, or a comparable PCI-compliant SDK) • Order tracking with: – Real-time location tracking – Order status updates The interface should remain clean and responsive, and the back-end endpoints for authentication, payments, and tracking will be provided (or you can quote for building them if that’s your preference). Please outline: 1. Your suggested tech stack (e.g., Flutter, React Native, Kotlin/Swift separately, etc.) and why it fits. 2. A high-level milestone plan with estimated timeline for each phase. 3. Total cost and anything that might influence it (third-party fees, hosting, post-launch support). 4. Any similar apps you’ve launched that demonstrate payment processing and live tracking. All delivered code must be production-ready, well-commented, and handed over in a private Git repository. Let me know if anything needs clarification—looking forward to your proposal and timeline.
Project ID: 40629931
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Active 3 days ago
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256 freelancers are bidding on average €250 EUR for this job

Hi, I have gone through the Android & iOS Ordering App requirements. It looks straightforward at first, but details such as the ordering flow, payment integration, menu management, notifications, and platform consistency can cause issues later. I can outline a practical cross-platform approach using React Native or Flutter, or native development with Swift and Kotlin. I have over 10 years of experience in mobile app development, including iPhone, Android, PhoneGap, Swift, Kotlin, React Native, and Flutter, and I'm excited to be part of your project. Let's discuss your ordering app in the chat so I can recommend the most practical and cost-effective solution. ~ Rajesh
€140 EUR in 7 days
9.3
9.3

Greetings, we have rich experience in android and iPhone app development. I am really interested in your application so i have placed a fair price. Please consider my bid.100% payment once job done. I don't want any upfront payment. 100% once job done. I am 100% sure i can do this. Also don't worry about time frame i will try to complete within 7 days just for safer side i have placed 10 days. Please consider my bid .Please let me know what do you think. Also you can see my profile about my work and communication. Thank you
€240 EUR in 10 days
8.9
8.9

Hello, WE HAVE WORKED ON SIMILAR ON-DEMAND, E-COMMERCE, AND DELIVERY APPLICATIONS WITH SECURE PAYMENTS AND REAL-TIME TRACKING AND CAN PROVIDE RELEVANT EXAMPLES. I completely understand your requirement for a cross-platform mobile application with secure authentication, payment processing, and live order tracking. I can develop a scalable, production-ready solution with a clean and responsive UI, secure user login, Stripe/Braintree integration, real-time order location tracking, push notifications, and seamless API integration. If required, I can also develop the complete backend with a secure admin panel and REST APIs. My suggested tech stack is Flutter with a Node.js (or Laravel) backend, PostgreSQL/MySQL, Firebase for push notifications, Google Maps for live tracking, and Stripe/Braintree for PCI-compliant payments. Flutter is an excellent choice as it delivers near-native performance while maintaining a single codebase for both Android and iOS, reducing development time and long-term maintenance costs. My proposed milestones are: UI/UX refinement and project setup Authentication, API integration, and payment gateway implementation Order management and real-time tracking Testing, optimization, deployment, and app store submission I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT, COMPLETE SOURCE CODE, WE WILL FOLLOW AGILE METHODOLOGY, AND I WILL ASSIST YOU FROM INITIAL PLANNING TO APP STORE AND GOOGLE PLAY DEPLOYMENT. Thanks, Christina
€200 EUR in 7 days
8.4
8.4

Hi, I checked your "Android & iOS Ordering App" project description, it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
€98 EUR in 5 days
7.8
7.8

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your ordering app project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham
€125 EUR in 12 days
8.0
8.0

Hi, I am a Flutter developer with 2+ years of experience building cross-platform mobile applications. I recommend Flutter for this project as it provides a single codebase for Android and iOS with excellent performance and maintainability. I can implement secure login, Stripe/Braintree payment integration, real-time location tracking, and order status updates with a clean UI. I will deliver production-ready code, Git repository access, documentation, and support through deployment. The timeline and cost can be finalised based on the API scope and features.
€250 EUR in 7 days
8.3
8.3

This Android and iOS ordering app is a strong fit for Flutter, giving you one maintainable codebase with consistent, responsive UI and reliable native integrations. I’ll use Flutter/Dart, Dio for your REST endpoints, secure storage for authentication tokens, and Stripe’s PCI-compliant SDK so card details never pass through the app or your servers. Real-time order tracking will use device location, map rendering, and WebSocket updates where available, with efficient polling as a fallback for order status. I’ll structure delivery in four focused phases: UI flow and project setup (1 day), secure login and API integration (1–2 days), payment and order tracking implementation (2 days), then testing, Android/iOS builds, documentation, and private Git handover (1 day). I’ll include validation, loading/error states, permission handling, responsive layouts, and production configuration for both platforms. I have delivered mobile solutions involving Stripe-style payments, authentication, REST integrations, maps, and live status/location workflows. The supplied endpoints can be integrated directly; if backend work is also required, I can scope those endpoints within the same architecture. App Store/Play Store developer accounts, Stripe fees, maps usage, hosting, and any post-launch maintenance are separate third-party or support costs. Muhammad Saad
€95 EUR in 6 days
7.0
7.0

Hi there, I will build the native Android app using Kotlin, MVVM Clean Architecture, and Coroutines/Flow for real-time state management. I will integrate the official Stripe SDK for PCI-compliant card processing and combine SocketIO/WebSockets with Google Maps SDK and FusedLocationProviderClient to handle accurate live driver tracking and status updates. Please initiate the chat and I'll share the portfolio as well. Regards, Hassan
€140 EUR in 7 days
6.6
6.6

----->>> Cross-Platform Mobile App with Secure Payments & Real-Time Order Tracking <<<------- Hello, I hope you are doing well. I've reviewed your requirements and understand that you need a production-ready mobile application for both Android and iOS using a single codebase, including secure authentication, PCI-compliant payment integration, and real-time order tracking with live location and status updates. Our team has experience building scalable mobile applications with payment gateways, real-time tracking, API integrations, and backend-driven architectures. Key Features: Cross-platform mobile app development with secure user authentication Stripe/Braintree payment gateway integration with transaction security Real-time order tracking with live location and status notifications Clean responsive UI with optimized Android & iOS experience API integration, testing, Git-based code delivery & production deployment support Let's connect to discuss the roadmap, timeline, and implementation approach. Thanks!
€200 EUR in 7 days
7.3
7.3

Hello, I have 10 years of experience developing production-ready mobile applications for Android and iOS, including secure REST API integrations, payments, and real-time operational workflows. I recommend React Native for a single, maintainable codebase across both platforms. It provides a responsive native-style experience while allowing shared authentication, order, and tracking logic. I would integrate the provided APIs for secure login, PCI-compliant payment processing through the selected provider, live location updates, and clear order-status notifications. Relevant food delivery/courier and car/cab booking examples can be shared during discussion. Let’s discuss the available APIs and tracking update method. Best regards
€140 EUR in 7 days
7.0
7.0

Understanding the need for a seamless mobile application that operates on both Android and iOS, our team specializes in cross-platform development. We’ll deliver a robust app that ensures secure user login, smooth payment integration, and real-time order tracking. For this project, I suggest using Flutter due to its efficiency in building a single codebase while maintaining performance across platforms. We’ll integrate Stripe for secure payments and utilize geolocation APIs for real-time tracking. Our approach includes defining milestones for design, development, and testing phases to ensure timely delivery. Communication, quality, and on-time delivery are priorities. If you'd like, I can also share similar work we've completed and discuss the best approach for your project. Regards, JP
€150 EUR in 7 days
6.8
6.8

Hi, It will be an honor for me to work with you. I have got 12 years of mobile application development experience (iOS, android, flutter). Lets discuss this in detail and get this started. Looking forward to hear from you.
€250 EUR in 15 days
6.9
6.9

Respectfully, I understand you need a cross platform mobile application with secure authentication, payment processing, and real time order tracking while maintaining a smooth experience on both Android and iOS from a single codebase. Since production readiness is a priority, the architecture should support reliable performance, secure integrations, and future feature expansion without unnecessary complexity. I have experience building mobile applications with Flutter and React Native, integrating payment gateways, real time tracking, and API driven workflows. For a project like this, I would recommend Flutter because it provides consistent performance across both platforms while simplifying long term maintenance. I also follow a milestone based approach covering planning, development, testing, and deployment to ensure each stage is thoroughly validated before moving forward. Will the tracking service already provide live location updates through your existing backend, or should the mobile application communicate directly with a mapping service for real time tracking? Looking forward to collaborating with you. Portfolio: freelancer.pk/u/zainalitariq245 Thanks.
€200 EUR in 5 days
6.4
6.4

Hi, I've built ordering apps with real-time tracking and card payments for clients across food delivery and logistics. I noticed you need a single codebase for both platforms—that's exactly what we specialize in, and we'll handle the backend endpoints too if needed. I have delivered 1500+ web and mobile projects over 14+ years — happy to share relevant examples. Let's chat about your timeline and preferred approach. Drop me a message and we'll scope this properly. Regards, Nurul Hasan
€200 EUR in 14 days
6.7
6.7

Hello!! , Hi, Got the requirements and can build a clean Android and iOS ordering application from a single code base with secure login, card payments, real time order tracking, and a smooth user experience. • Do you already have the design or should it be created? • Will the backend APIs be provided or do you need them developed? • Do you have a preferred payment gateway like Stripe or Braintree? Flutter is the best choice because it delivers one high quality application for both platforms with faster development and easier maintenance. A clear milestone plan, production ready code, private Git repository, and complete handover will be provided. Relevant ordering and delivery applications with payment integration and live tracking have already been completed, so the workflow and quality expectations are well understood. Would love to discuss your project in chat and share a detailed timeline and cost. Best regards Farhin B
€30 EUR in 10 days
6.6
6.6

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. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
€140 EUR in 2 days
6.6
6.6

Hi, A successful ordering app is won or lost in three areas: secure payments, real-time tracking, and a frictionless user experience. We've delivered production-ready mobile apps where these features work together reliably, not just independently. At Doomshell Software Pvt. Ltd., we have 20+ years of experience building cross-platform mobile applications. Based on your requirements, we'd recommend Flutter for a single codebase, near-native performance, faster development, and consistent UI across Android and iOS. If your backend APIs are already available, we can integrate them seamlessly; otherwise, we can develop a scalable backend as well. Our Approach: • Flutter app with clean, scalable architecture • Secure Stripe/Braintree payment integration • Real-time order tracking using Maps & live location APIs • Well-documented code, Git repository, and App Store/Play Store deployment support Suggestion: We recommend implementing Firebase Push Notifications and offline caching from the start. This ensures users receive instant order updates and enjoy a smooth experience even with unstable network connectivity. Let's schedule a 10–15 minute call to discuss your workflow. We'll also demonstrate a live mobile application with similar ordering and tracking functionality so you can evaluate our approach before moving forward.
€240 EUR in 7 days
6.3
6.3

Hi there, Hope you are doing well I'd love to develop your cross-platform Ordering App for iOS and Android. Our team has extensive experience building scalable ordering, delivery, and eCommerce applications with secure payment integration, real-time order tracking, and high-performance mobile solutions. We recommend Flutter for a single, maintainable codebase with native-like performance. We'll integrate secure authentication, Stripe/Braintree payments, live order tracking, push notifications, and a clean, responsive UI. If required, we can also develop the backend with a scalable architecture and provide complete deployment support. We follow clean coding standards, maintain proper Git history, and deliver production-ready, well-documented code with regular milestone updates. Looking forward to working with you. Thanks & Regards, Dheeraj K.
€150 EUR in 5 days
7.0
7.0

Hello, Is a cross-platform framework like Flutter or React Native preferable for your project? Would you like the back-end to be built from scratch or provided by you? Excited about your app launch! For this project, I'll ensure a seamless integration of login and payment features. I anticipate challenges with real-time updates and will prioritize their smooth implementation. I'll gladly share similar work in our chat. Let's discuss the timeline and costs in detail during a brief chat. Looking forward to mapping out the next steps with you! Feel free to message me anytime.
€30 EUR in 1 day
5.9
5.9

Hello! I am glad to say that i have already developed an Cross Platform Ordering Application for both Android and iOS from a single codebase. The application will provide secure user authentication, integrated online payments, and a smooth order tracking experience with real time location updates and live order status notifications, all within a clean and responsive interface. My focus will be on developing a scalable mobile application using Flutter, ensuring a consistent experience across both platforms while integrating secure authentication, PCI compliant payment gateways such as Stripe or Braintree, and real time order tracking. If required, I can also build the backend APIs to support authentication, order management, payment processing, notifications, and live tracking with a cloud ready architecture. I specialize in Flutter cross platform development, secure authentication systems, payment gateway integrations, real time GPS tracking, REST APIs, Firebase, push notifications, backend development, admin dashboards, and production deployment. Let’s connect to discuss the mobile application architecture, backend scope, payment workflow, and tracking requirements so we can build a fast, scalable, and production ready ordering platform. Best regards, Nikita Gupta
€300 EUR in 22 days
5.7
5.7

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