Cross-Platform Mobile App Development

@jastp

Hi there, Jas this side from Logictrix and I am ready to work on your app with my team and with a promise for long term support in fairly low cost. Please just give me your few minutes for the chat so that we can discuss all the important points about project as well as we can clarify any queries from both side to go ahead further for final agreement. We are expert in AI development and we used many AI platforms like openAI, Freepik, Antigravity, Cursor etc for App development and other AI work. We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 15 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas

@Microlent

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in Android, Flutter, iOS Development, Mobile App Development, React Native, iPhone, User Interface / IA As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen

@om26er

Hello, Regarding your project, i would like to discuss the app features in detail to better understand your requirements. i am a mobile applications developer and i have more than 8 years of experience developing mobile applications with backend services. i have developed many Business Solutions from scratch to Stores ready applications. i have completed more than 550 projects. i have live sample apps for you. i am super confident i will provide you best quality software services on time and on budget. Let's chat to proceed.

@corpmember29

Hello, CROSS-PLATFORM MOBILE APP DEVELOPMENT {{{ I HAVE CREATED SIMILAR BEFORE AND I CAN SHOW YOU }}} I understand you need to turn your idea into a user-ready mobile application for both iOS and Android, with a clean, maintainable codebase and a smooth path to App Store and Google Play launch. I can use Flutter or another suitable cross-platform framework based on the project requirements, with scalable architecture, intuitive UI/UX following platform guidelines, end-to-end testing, TestFlight/closed-beta testing, and store-ready builds. I will also provide the complete source code, build instructions, and a clear handover. I can walk you through the architecture choices, establish a suitable CI workflow, and structure development into clear milestones to make testing and store submission straightforward. I have 11+ years of experience in mobile and full-stack development, cross-platform applications, APIs, and scalable software solutions. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. I am available according to your convenient time zone and can start immediately. I eagerly await your positive response. Thanks, Christina

@shubhamshrimal7

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 mobile 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

@ahmadayaz

I propose a partnership to develop your mobile app idea, leveraging my expertise in Flutter for seamless iOS and Android deployment. With a focus on clean code, UI/UX design, and thorough testing, we will ensure a high-quality user experience. I will guide you through scalable architecture choices and streamline app store submissions. Let's work together to bring your vision to life efficiently and effectively.

@DrSyafiq

I can do this Job! For a Cross-Platform Mobile App Development, the key is not just the screens but keeping the API and platform-specific behavior stable across devices. Relevant fit: Mobile App Development, iPhone, Android with milestone-driven delivery. Key scope I would cover: Mobile App Development implementation risks and acceptance criteria; iPhone integration points and edge cases. If helpful, I can outline the first milestone around the riskiest part of the build before we start. Quick question: What part of this build has caused the most delivery risk so far: architecture, integrations, or product clarity? Also, if we align on the core scope first, would you prefer the first milestone to focus on a stable MVP foundation or on feature breadth? Best, Dr. Syafiq

@rajat07me

Turning an idea into a real app for both iOS and Android is mostly about making the right architecture choice early, so the build stays stable when testing, store submission, and future updates start. For a project like this, I’d usually lean toward Flutter or React Native depending on your feature set, then map the screens, data flow, and release path before development begins so the launch does not get stuck at the review stage. I’ve worked on cross-platform builds where the important part was not only coding the app, but also getting the UI aligned with platform guidelines, preparing beta builds, and handing over a codebase that another team can actually maintain. CI setup, clean repo structure, and store-ready packaging make a big difference in how smooth the final phase goes. A small bonus from my side would be helping you structure the delivery flow so milestones match real build stages. - Do you already have a feature list or wireframes, or is the app still at idea stage? - Will the app need login, payments, maps, chat, or any API/backend connection? - Do you want us to handle the App Store / Play Store submission steps too?

@Hammadhassan21

Howdy, A successful app launch is not just about getting the app into the App Store and Play Store. It’s about building it properly from day one so the codebase is stable, scalable, testable, and easy to maintain after launch. I can work with the framework that makes the most sense for your app, and I’d base that choice on the product requirements, platform behavior, and future scalability rather than forcing a particular stack. I can also structure the development around clear milestones, CI, testing, and a TestFlight/closed beta cycle, with the final handover including the complete source code and build instructions. Before proposing the milestones, I’d like to see the app concept and core user flow so I can recommend the right architecture and give you a realistic timeline based on the actual scope. Portfolio link: https://www.freelancer.pk/u/Hammadhassan21 Best regards, Hammad Hassan

@gotucat

Hi, I reviewed your idea for a cross-platform mobile app that needs to be user-ready on iOS and Android, with an intuitive UI/UX. You want a clean, maintainable codebase and smooth store launch with scalable architecture. I’ll build the app using Flutter or React Native with User Interface / IA best practices, ensuring each screen follows iOS and Android guidelines. I’ll set up end-to-end testing and support TestFlight and a closed-beta cycle, then prepare store-ready builds. I’ll keep code organized, communication clear, and hand-over complete with source code, build instructions, and packages for submission. Let’s discuss milestones and timelines here now.

@XanvraTECH

Hello, I am highly interested in your project for Cross-Platform Mobile App Development. I understand the requirements for a user-ready mobile application on both iOS and Android, and I am well-versed in Flutter, iOS Development, Android, React Native, and Mobile App Development. I plan to create a clean, maintainable codebase that meets the guidelines of both app stores, with intuitive UI/UX screens and thorough testing for a seamless user experience. I will ensure a clear hand-over of all necessary deliverables for a successful launch. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I would love to discuss further details and milestones to bring your concept to a download-ready app. Best regards, Warda Haider

@OutsourceMan

Dear Valuable Client, At CnEl India, we specialize in end-to-end cross-platform mobile development using React Native to deliver native-like performance, rapid store approvals, and maximum code reusability. Our Development & Delivery Methodology: Architecture & Design: Establish a clean, modular architecture (MVVM/BLoC) with platform-compliant UI/UX (Material Design & Human Interface Guidelines) for scalable state management. Development & CI/CD: Set up automated CI/CD pipelines (GitHub Actions / Fastlane) ensuring clean, buildable codebases for both iOS and Android from day one. Beta Testing Cycle: Conduct continuous internal testing followed by a structured TestFlight (iOS) and Closed Beta (Google Play) cycle to refine stability and UX. Store Deployment & Handover: Manage end-to-end store compliance, metadata submission, full source code delivery, and deployment documentation for a smooth launch. We are ready to discuss your app concept, milestones, and timeline. Let’s connect!

@mobiappsoftware

Hello, I will develop your MOBILE APPLICATION for Android and IOS both platforms with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks

@webbookstudio

Hi there, We understand you're looking to turn your idea into a user-ready mobile application for both iOS and Android, with a focus on a smooth launch and future scalability. You've outlined the need for a clean codebase, intuitive UI/UX, end-to-end testing, and a clear handover process. At Webbook Studio, we have experience with cross-platform development using React Native and Flutter, having built apps like a music voting mobile app using React Native and a furniture store mobile shopping app with Flutter. Our team can justify the best approach for your project, ensuring a maintainable codebase and adherence to each platform's guidelines. One question: do you have any existing design concepts or brand guidelines that we should follow during the development process? Feel free to message us to discuss the details! — Webbook Studio

@pinkeegupta

Hi 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

@ciss26

Hello there, Hope you are doing well I can turn your idea into a user-ready iOS and Android application with a clean, scalable architecture, intuitive UI/UX, automated testing, CI/CD, and complete App Store/Google Play submission support. For a new product, I recommend Flutter to maintain a single high-quality codebase while delivering consistent performance and platform-specific UI behavior on both iOS and Android. Recommended Tech Stack Mobile: Flutter + Dart Backend: Node.js + NestJS, if backend/API is required Database: PostgreSQL API: REST / GraphQL Key Deliverables Complete iOS & Android application Clean, maintainable and scalable source code Intuitive responsive UI/UX following Apple and Google guidelines Backend/API integration where required Secure authentication and data handling Error, loading and offline states where applicable Automated testing and QA TestFlight beta cycle Android closed-testing cycle Production-ready iOS and Android builds App Store and Google Play submission support CI/CD pipeline configuration Build and deployment documentation Complete source-code and project handover Thanks & Regards Dheeraj K.

@rbtech1984

Hello!! Your idea needs to become a polished iOS and Android app with a maintainable cross-platform codebase, platform-friendly UI, proper testing, CI, beta releases, and store-ready builds. * What are the main features planned for the first release? * Do you already have UI designs or wireframes? * Is the backend or API already available? The solution will use Flutter or React Native based on the feature requirements, with scalable architecture, responsive UI, API integration where needed, CI setup, end-to-end testing, TestFlight and Google Play closed beta, plus complete source code and build documentation. Relevant Flutter, React Native, iOS and Android projects have been completed, focusing on smooth cross-platform performance and reliable launches. Let us chat and turn your idea into a download-ready app. Best regards Farhin B

@Curveballsol

Hello, I understand that you are looking to develop a cross-platform mobile application that is user-ready on both iOS and Android. I am well-versed in Mobile App Development, Android, iOS Development, Flutter, and React Native, and have a strong background in creating intuitive User Interface designs. I will ensure a clean and maintainable codebase that complies with the guidelines of both app stores. Additionally, I will conduct thorough end-to-end testing and provide clear hand-over instructions for the source code and store-ready packages. You can view examples of my previous work in my portfolio https://www.freelancer.com/u/Curveballsol Effective communication and collaboration throughout the project are guaranteed. Best regards, Curveball Solutions

@ranjika08

The key here is not just building an app that runs on iOS and Android, but choosing a setup that keeps launches, testing, and future scaling manageable. I would start by defining the app flow, recommended framework, and screen structure first, because that is what prevents expensive rework later when beta feedback starts coming in. My background fits projects where clients need both product thinking and delivery help, not only raw coding. For cross-platform apps, I focus on maintainable structure, platform-friendly UI behavior, beta deployment, and a clean handover with source files and build notes so you are not locked in after launch. If helpful, I can also outline a practical milestone plan based on design, development, testing, and submission readiness. - Roughly how many screens or core user actions do you expect in version 1? - Do you already have branding/design direction, or would the UI need to be created from scratch? - Is there a preferred backend or admin panel involved in this app?