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budget is strictly up to $800 AUD. You have to do what I instruct. if the budget doesn't suit you please don't bid on the project I want to finish the app in android and ios with the backend which someone else has started but couldnt complete it along with APIs integration. The successful freelancer will work on future project attached is the complete brief Discuss with me further for a clear understanding
ID do Projeto: 39996030
137 propostas
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Ativo há 3 meses
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Hi — I’m Muhammad Sheraz. I’ll take over the unfinished backend and finish the Android and iOS apps, integrate the APIs, complete testing, and deliver a stable, user-ready product with clear handover and support for future work. I’ll pick up the existing codebase, stabilise endpoints, fix integration gaps, and ensure end-to-end QA on device before release so your app ships reliably and your team can move forward without risk.
$700 AUD em 7 dias
2,6
2,6
137 freelancers estão ofertando em média $560 AUD for esse trabalho

Hi There !! After reading your request, I found it to be rather intriguing. I can provide timely, high-quality assistance for your project as a senior full stack engineer. Let's talk further when we speak over the phone or chat. Awaiting for your positive response. Thanks
$800 AUD em 7 dias
8,3
8,3

Hello, I’ll complete your iOS and Android app backend with a clean, secure, and stable structure that connects smoothly with both mobile apps. I will finish all pending API routes, fix broken logic, set up proper authentication, and make sure the app features work end to end. I’ll also review your current code, optimize database queries, and ensure the backend is ready for deployment with clear documentation. Questions: Do you already have a list of the pending features or should I review the code and prepare it Should the backend be deployed on your current server or do you want a fresh setup for better stability You can go through my portfolio and check my reviews and past work I have done https://www.freelancer.com/u/kamran2012 Best regards, Kamran
$680 AUD em 7 dias
8,4
8,4

With my extensive 14+ years of experience in web and app development, I firmly believe that I have the skills and expertise to successfully complete your iOS-Android app alongside the backend integration. My proven background in PHP, Laravel, mobile app development, and extensive knowledge of API integrations ideally suit the project requirements. For me, client satisfaction and project success are paramount. Despite your budget constraints, I assure you the same level of dedication and professionalism that I've always maintained throughout my career. Rest assured, completing the unfinished work won't be an issue as I'm well-versed in picking up projects from where others have left off. Moreover, as a full-stack developer, my proficiency extends beyond just coding; I adopt a holistic approach towards every project to ensure it aligns perfectly with your vision. Overall, choosing me for this project would mean gaining a committed collaborator who isn't just focused on task completion but on building a long-term professional relationship based on quality and trust. Thank you for your time, and I look forward to discussing the project further with you. Thanks, Yogesh
$500 AUD em 7 dias
8,3
8,3

Hi Ihab, I have 5+ years of experience in Flutter. I will design and develop a fully functional Flutter mobile application for your business. The app will be cross-platform, responsive, and optimized for both Android and iOS. I will ensure smooth navigation, clean UI, and reliable performance. My Skills Include: a) Flutter Development – Expertise in building cross-platform mobile apps with responsive UI. b) State Management – Experienced in Provider, Riverpod, and Bloc for scalable apps. c) Backend Integration – Skilled in connecting apps with REST APIs, Firebase, and third-party services. d) Database Handling – Proficient in Firebase Firestore, MySQL, and SQLite. e) Deployment & Support – Experienced with publishing apps on Google Play Store and Apple App Store. Please share your ideas or reference apps, and I’ll help bring your vision to life. Lets connect in chat so that We discuss further. With Regards, Sai
$460 AUD em 7 dias
7,7
7,7

Dear Client, Thank you for considering WellSpring Infotech to complete your iOS-Android App and Backend project. We appreciate the detailed brief provided, and I assure you our team is fully capable of fulfilling your instructions. With over a decade's worth of experience in custom web and mobile app development, our expertise in Android, iOS, API integration, and backend development is unparalleled. We have a proven track record working with start-ups and SMEs across various industries, and we're strategizing for success in healthcare, eCommerce, fintech, real estate, proptech- essentially any sector you need! As a reliable technological partner, we understand that transparency, communication, and execution are paramount for your project success. Our comprehensive project management and quality assurance approach ensure all the i's are dotted and the t's crossed - no detail goes unnoticed. We respect budgets and deliver within time frames without compromising quality. Choosing WellSpring Infotech for this project means gaining peace of mind by minimizing tech risks synonymous with entrepreneurial landscapes. It means gaining access to a team devoted to not just completing tasks but building long-lasting relationships. Let's embark on a journey to transform your app idea into a reality that meets your vision while accelerating growth and innovation!! Thank you!!! Thank you for considering us once again! Let's discuss further to solidify the plan for your project success.
$750 AUD em 7 dias
7,8
7,8

Hello there, I understand that you have a strict budget of $800 AUD and are looking to finish both the Android and iOS app, along with backend integration and API work. I am happy to discuss the project further and ensure I fully understand your requirements. If the scope of work aligns with the budget, I will be able to proceed. Please feel free to send over the complete brief, and we can discuss the next steps. Looking forward to hearing from you! Best regards, Shivpal S
$500 AUD em 7 dias
7,6
7,6

Hello, I am reaching out from Smart Sols, a software company with over 9 years of experience in full-stack development, including backend and mobile solutions. We understand your need to finish the iOS and Android app along with its backend within a strict budget of $800 AUD and are confident in delivering according to your instructions. Our expertise with native PHP and Laravel backend, combined with Flutter for cross-platform mobile development, makes us well-suited to complete your project efficiently and with high quality. We always prioritize clear communication and adherence to client requirements. We are ready to start immediately and ensure timely delivery aligned with your priorities. Looking forward to working with you to successfully finish your app and backend within the specified budget and timeline.
$800 AUD em 15 dias
6,9
6,9

Dear Hiring Manager, I’d be glad to assist in completing the existing iOS/Android application and backend, ensuring a stable release within your specified budget and technical expectations. I will review the current codebase to determine what has been built, what remains, and proceed with clean, maintainable enhancements. Implementation Approach: • Analyze existing mobile code (iOS & Android) and backend/API structure to identify pending tasks and performance gaps. • Complete API integration, refine UI flows, and implement missing business logic to ensure full end-to-end functionality. • Conduct final QA testing, debugging, and deployment packaging for both platforms. • Provide documentation for backend endpoints, app setup, and future maintenance. Queries: • Which backend stack is currently in use (Laravel, Node.js, Firebase, etc.)? • Are design assets and test credentials already available? • Any specific deadline for app store submission? Note: The time and cost presented are estimates and can be discussed further and set after discussion. If you'd like to receive similar projects, you're more than welcome to message me through chat. Best Regards
$750 AUD em 15 dias
6,9
6,9

Hi there, I can complete your Android and iOS app within the $800 AUD budget, including backend and API integrations. With 5+ years of experience in PHP and Android, I can finalize the work started by the previous developer. I’ll review the existing codebase, fix issues, and implement the remaining features. Clear communication and timely delivery are my priorities. Happy to discuss the requirements further for a smooth project completion. Best Bhargav PHP | Android Developer
$500 AUD em 7 dias
7,1
7,1

Hi Ihab, I understand you need to finish an iOS and Android app with the existing backend and API integrations that were started by someone else. I have experience completing similar projects by carefully following client instructions and ensuring smooth integration and functionality for both mobile platforms and backend. I'm ready to discuss further details for a clear understanding and deliver quality work within your budget.
$300 AUD em 5 dias
6,4
6,4

Hello, I am an expert mobile app developer with experience in React.js, React Native, Flutter (Dart), Node.js, AWS for app hosting, troubleshooting, Firebase, mobile app development, and Java for more than 6 years. Let me know when you are available for initial discussion, so we can discuss the requirement in detail. Thank you for your attention and have a nice day! Regards.
$800 AUD em 25 dias
6,6
6,6

Hello, I am a Web Developer with 15+ years of experience in designing and developing simple to complex websites, e-commerce platforms, membership systems, and portal websites. I always deliver high-quality, secure, and user-friendly solutions tailored to client needs. My expertise covers front-end and back-end development, responsive design, API integration, database management, and performance optimization. Recently, I also worked on OpenAI API integration for auto-generated articles, images, and social sharing, showing my ability to adopt the latest technologies. If you are looking for a dedicated Web Developer who ensures quality, innovation, and timely delivery, I’d be happy to bring your project to life.
$250 AUD em 7 dias
6,6
6,6

Hi there, Ready to rescue your app and get it across the finish line? I can have a working demo of the completed iOS-Android app with integrated backend running within days—no lengthy discussions needed. I specialize in inheriting incomplete projects and completing them efficiently. With expertise in PHP backend, native iOS/Android development, and API integration, I'll systematically finish what was started, ensure seamless functionality, and establish a foundation for your future projects. Let's jump on a quick call to review the existing codebase, clarify requirements, and confirm I'm the right fit for this completion and beyond. Best, Smith
$500 AUD em 7 dias
6,4
6,4

Hi! "I’ve done this before, I can do it for you—within your budget, on your timeline, and with zero hassle. Let’s get started today!" in $800 I can take over your existing Android/iOS app and backend, complete all pending work, fix unfinished features, and fully integrate the remaining APIs. I specialize in continuation projects where previous developers couldn’t finish, so I’m very comfortable auditing existing code, stabilizing the architecture, and delivering a production-ready build. Scope (Short & Clear) • Review current Android, iOS, and backend code to understand structure & missing pieces • Complete all unfinished screens, logic, and UI fixes • Integrate all pending APIs (REST/GraphQL) and ensure they work across both platforms • Fix bugs, crashes, and incomplete flows left by the previous developer • Complete backend features, database endpoints, and admin logic as required • Implement proper authentication, error handling, and data validation • Optimize performance and ensure the app runs smoothly on both OS versions • Prepare final builds for Play Store & App Store submission I’m experienced in rescuing half-built projects, improving code quality, and delivering the final polished version without breaking existing work. I’m also available for continuous future updates. I’m ready to start as soon as you share the code and brief.
$800 AUD em 15 dias
6,6
6,6

Hi there, with 6+ years of experience in mobile app development and a clear understanding of your requirement to complete the existing Android/iOS apps and backend with full API integration, I’m confident I can take over the unfinished project and deliver a fully functional, polished product. Let’s connect and get this project back on track — I’ll turn your half-built app into a fully launch-ready product that looks good, works flawlessly, and feels premium. Thanks & Regards Nikita Gupta
$750 AUD em 30 dias
6,2
6,2

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Completing your iOS, Android and backend with clean API integration ))⚜⭐⭐⭐⭐⚜ Your project stands out because you need someone who can step into an unfinished codebase, understand the existing structure quickly and take it to full completion within your defined budget. You are looking for a developer who follows instructions closely and can bring both mobile apps and backend to a stable, production ready state. With 9 years of experience working across iOS, Android, PHP and API driven backends, I am comfortable analysing existing work, resolving gaps and delivering a fully functional handover. I focus heavily on organised code, clear communication and reliable progress tracking which is important when inheriting partially completed systems. My approach would be to review the attached brief, audit the current build, fix blockers, complete remaining modules and ensure all APIs are correctly implemented. Three key features • Completing iOS and Android functionality • Full backend and API integration • Clean final delivery ready for future expansions If you are available to discuss the brief in detail, I can align with your requirements and begin immediately. Warm Regards, Farhin B.
$256 AUD em 15 dias
6,5
6,5

Hi Ihab, Hope all is good at your end! I understand you need to finish an iOS and Android app along with the backend and API integration. I believe I am the best fit for this job because: - I have extensive experience in mobile app development, specifically in both Android and iOS. - My background in PHP and backend development ensures I can effectively integrate the existing APIs and complete the required functionalities. - You can check out my portfolio showcasing similar projects: https://www.freelancer.in/u/ixorawebmob. I’m ready to discuss further to clarify your requirements and ensure we’re aligned. Let’s connect soon!
$555 AUD em 20 dias
7,5
7,5

Hi — I can finish the Android & iOS apps and complete the backend + API integrations within your $800 AUD budget. I’ve worked with PHP backends and mobile apps before and will follow your brief exactly. Available to start immediately — can we discuss access and deliverables?
$500 AUD em 7 dias
6,2
6,2

Hi, I can take over your partially built iOS-Android app and backend, clean up the unfinished work, complete all remaining modules, and integrate every API exactly according to your instructions. I’ve successfully rescued multiple half-done mobile projects before—finalising features, fixing broken logic, stabilising API connections, and preparing clean builds for both stores. I also ensure the backend is fully functional, secure and deployed correctly so the entire system works end-to-end. I’ll review the existing codebase, map what’s missing, rebuild weak areas, complete UI flows, finish API wiring, patch errors and deliver a smooth, fully tested app across both platforms within your $800 AUD budget. After delivery, I’m available for future upgrades as you mentioned. Best regards, Joseph
$500 AUD em 7 dias
6,1
6,1

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer
$400 AUD em 20 dias
6,7
6,7

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