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I need a straightforward but reliable utility app built once and delivered for both iOS and Android. The single most important feature is tool integration: the app should connect cleanly with a small set of existing productivity tools (think calendars, notes, cloud drives) so users can trigger them from one place without juggling multiple screens. You’re free to choose the most efficient stack—native with Swift and Kotlin or a shared codebase in Flutter or React Native—so long as the result feels fully native on each platform and follows current App Store and Google Play guidelines. I will supply UX wireframes and the list of target tools plus their public APIs; you’ll handle development, basic UI polish, and the hand-off to TestFlight and internal testing tracks on Google Play. Deliverables are a compiled build for each platform, the complete, well-commented source code, and brief setup documentation so my in-house admin can manage future updates.
Projekt-ID: 40259926
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33 freelancere byder i gennemsnit ₹9.212 INR på dette job

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 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 , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹30.000 INR på 7 dage
6,5
6,5

Hi, I can build your utility app using Flutter with secure API integrations so users can access calendars, notes, and cloud tools seamlessly from one clean interface. I’ll deliver native-feeling iOS and Android builds with well-structured code and full hand-off documentation for easy future updates. Lets discuss on chat. Regards Abhishek
₹12.000 INR på 7 dage
5,5
5,5

Hello, I CAN DO THIS. I have 6.5+ years of experience in this field. Let's connect and discuss more about your requirements. Thank you.
₹12.500 INR på 5 dage
4,6
4,6

Dear Sir/Madam, I am Kishore Patidar, a professional Mobile App and Python Developer with strong experience in building scalable, production-ready mobile applications and backend systems. I specialize in Flutter (cross-platform), Android (Java/Kotlin), Firebase, Supabase, Node.js, FastAPI, and Django. I have successfully delivered multiple live apps on both Google Play Store and Apple App Store, including fintech, healthcare, education, social networking, and on-demand service platforms. My expertise includes: * Cross-platform mobile app development (Flutter) * Backend API development (Node.js, FastAPI, Django) * Payment Gateway integration (PhonePe, Razorpay, Stripe) * Real-time chat & notification systems * Admin panel & dashboard development * App deployment & store publishing * Secure authentication & role-based systems I focus on clean architecture, scalable backend design, optimized performance, and smooth user experience. From idea to deployment, I can handle complete end-to-end development. I would be happy to discuss your project requirements and deliver a reliable, high-quality solution within timeline. Looking forward to working with you. Best Regards, Kishore Patidar Mobile App / Python Developer
₹8.000 INR på 10 dage
4,8
4,8

With my extensive experience in mobile app development and a proven track record of creating robust, scalable and efficient applications, I am confident that I can build the Cross-Platform Utility Integration App you are looking for. Having successfully delivered numerous complex Android and iOS applications, I'm more than capable to navigate any challenge this project might present. In regard to your demand for a clean integration with existing productivity tools, one of my notable projects was an Online Appointment & Booking App that required seamless compatibility not only with different calendars but also various scheduling APIs. My team and I handled these integrations flawlessly, allowing users to access all their appointment details from one app; much like what is required for this project. Furthermore, your mention of Flutter or React Native being potential stack options aligns perfectly with my expertise as well. I have completed successful projects using these frameworks which translate into a streamlined and efficient development process without sacrificing on the native feel across platforms. Partnering with me will not only ensure high code quality but also comprehensive documentation facilitating future updates with ease Thanks for considering me and looking forward to collaborating with you.
₹7.000 INR på 7 dage
4,3
4,3

As a well-rounded development team at OTUSONE, I am confident that we can deliver the cross-platform utility integration app you need with utmost reliability. In our repertoire, we boast of a diverse range of skills that directly align with your requirements: Android, Flutter, Mobile App Development, and React Native. Notably, my experience in working with both Flutter and React Native for mobile application development will be invaluable in ensuring your project feels fully native on each platform while optimizing codebase efficiency. We understand how critical tool integration is to your app and we will utilize our comprehensive understanding to seamlessly connect the targeted productivity tools you've listed using their respective public APIs. Furthermore, our commitment to quality guarantees a bug-free, well-commented source code and reliable support even after the project hand-off. With us on your side, you can expect on-time delivery alongside thorough setup documentation for easy future updates management. And finally, we not only promise innovative solutions but deliver as per precise client requirements - making us a perfect fit for your project.
₹7.000 INR på 30 dage
3,8
3,8

My name is Govind and I have a diverse range of skills that make me an ideal candidate for your cross-platform utility integration app project. With extensive experience in Android App Development, Flutter and React Native, I can bring the best tools and strategy to your project as per its specific requirements. My main focus has always been on performance, usability, and long-term maintainability - three key aspects vital to your project's success. What makes me differentiate from others? It's my deftness in providing practical solutions that solve real problems. Your app's tool integration feature is its most crucial aspect and I assure you that I can handle it with finesse. Having worked on similar projects for ERP/CRM systems, I'm well aware of the challenges different productivity tools pose when integrated into one platform. YouF can offer you the fluency and seamlessness necessary to unify numerous tools into one cohesive experience. I share your mindset when approaching projects - thinking not just in terms of code but business outcomes as well. By choosing me, you're choosing a developer who knows how to turn ideas into working software while keeping an eye on the future prospective. In addition to delivering a compiled build for each platform, the complete source code and setup documentation will be included so that your team can easily manage future updates without any hitch. Let me help you turn your vision into a reality through clean yet reliable software!
₹3.000 INR på 3 dage
2,9
2,9

Hi there, my name is Ritik Garg and I'm a Full-Stack/Backend Developer from India. I have over 5 years of experience working with Python, Django, Restful APIs, Data Mining, Flask, Scrapy, Selenium, Flask, Node JS, Angular, React, AWS, DevOps, Azure, request, threading and selenium. My ultimate goal is to provide my clients with more than 100% satisfaction by implementing their ideas and helping their business thrive and grow. I always make sure to understand my clients' needs accurately and recommend the best approach for their project. I am always ready to take on any project and deliver it to the best of my abilities. Here are my core skills: - VueJS | JavaScript | Angular | ReactJs - NodeJS | Python - Bootstrap | CSS | CSS3 | HTML | HTML5 - Django | Flask - MySQL | MongoDB | SQLite | Postgres SQL - AWS, EC2, S3 DevOps Deployment
₹7.000 INR på 7 dage
1,1
1,1

With my extensive experience in full stack development, particularly within the mobile app sphere, I offer you the promise of exceptional utility app development that seamlessly translates onto both iOS and Android platforms. Equipped with an in-depth understanding of APIs and their integration into diverse systems thanks to my work in SaaS platforms, I’m more than confident about handling your productivity tool challenge. I’ve integrated everything from cloud drives to calendar apps, and I understand how vital it is for these tools to merge cohesively into your app ecosystem effortlessly. Harnessing a broad range of tech skills- including React Native and Android app development- I would not only provide you with the most efficient stack for your utility app but also fully comply with App Store and Google Play guidelines. As an added guarantee, you’ll receive a compiled built for each platform along with a well-commented source code that would enable any in-house admin to manage future updates smoothly. With a track record maintaining security and performance while delivering fast, scalable, API-driven applications on-time,the success of your project is assured when given to me. I look forward to applying my skills and working closely with you throughout this project!
₹7.000 INR på 7 dage
3,5
3,5

With a decade of experience in the software development industry and a comprehensive background in both iOS and Android app development, I’m well-equipped with the skills necessary to build your cross-platform utility integration app. My expertise extends from native development using Swift and Kotlin to shared codebases with Flutter or React Native—a flexibility that will ensure a solution tailored to your needs while adhering to current App Store and Google Play guidelines. Additionally, I firmly believe in thorough documentation for smooth future functionality management. As such, I'll ensure you receive not just compiled builds for each platform but well-commented source code and setup documentation too. Let's collaborate on this project and optimize your team's workflow—the final result will see you wondering how you ever managed without it!
₹1.500 INR på 1 dag
0,0
0,0

As an experienced developer with over a decade in the field, I've amassed a wide range of skills that I believe make me uniquely suited to your cross-platform utility integration app project. In particular, my proficiency with Flutter and React Native ensures that I can build a shared codebase that's deeply native to both iOS and Android platforms—a crucial prerequisite in your requirement. Additionally, my expertise in PHP, Laravel, and Express align well with the data management aspect of your project. Aiming for 100% on-time delivery and on-budget execution, I believe we can forge a long-term partnership for the continued growth and scaling of your business. Let's build something amazing together!
₹7.000 INR på 7 dage
0,0
0,0

Hi, Your project aligns perfectly with my expertise. I specialize in building cross-platform utility apps that integrate seamlessly with third-party tools while maintaining native performance and clean architecture. With 5+ years of experience in React Native, I’ve delivered production-ready apps for both iOS and Android, including API integrations, cloud services, authentication flows, and store deployments. For your app, I recommend: Tech Stack React Native (single codebase, near-native performance) Secure API integration with target productivity tools Proper state management & scalable architecture App Store + Google Play compliant builds TestFlight & Play Console internal track setup What You’ll Get: ✔ Clean, maintainable source code ✔ Compiled builds for both platforms ✔ Smooth integration with calendars / notes / cloud APIs ✔ Basic UI polish matching your wireframes ✔ Setup documentation for future updates Estimated Timeline: MVP: 2–3 weeks (depending on number of tool integrations) Final polish & deployment: 1 additional week I focus on reliability, performance, and long-term maintainability — not just delivering code, but delivering a solid product foundation. I’d be happy to review your list of APIs and wireframes and suggest the most efficient integration strategy. Looking forward to collaborating. Best regards, Ankush
₹7.000 INR på 7 dage
0,0
0,0

As a seasoned veteran in web design, development, and digital marketing with over 15 years of experience, your project is right up my alley. I specialize in creating seamless, cross-platform applications that are fully native on each platform while adhering to all App Store and Google Play guidelines. In terms of application architecture, I'm highly skilled in both Swift and Kotlin (iOS & Android) as well as Flutter and React Native. Therefore, I can advise and implement the most efficient stack for your utility integration app. My expertise translates to clean code, high-performance deliverables, and smooth hand-offs of the complete source codes at the end of the project. Lastly, I firmly believe in partnering with my clients for long-term success. Beyond the delivery of compiled builds, commented source codes, and setup documentation for easy future management of the app by your team; I offer long-term support and maintenance services. Let's connect today to explore more about your project's wireframes and target APIs so we can create a groundbreaking app that exceeds expectations!
₹7.000 INR på 7 dage
0,0
0,0

Dear Sir/Mam, I am a Senior Flutter Engineer with 8+ years of experience building scalable Android and iOS applications using Flutter and Dart. I have delivered multiple production apps across healthcare, EdTech, music, and social platforms, used by thousands of users. My strengths include Clean Architecture, MVVM, Bloc/Provider/Riverpod/GetX, REST API integration, real-time messaging (Sendbird SDK), performance optimization, and accessibility-compliant development (TalkBack, VoiceOver, WCAG). I have also led teams and managed full app lifecycles from development to store releases. I am immediately available, remote-ready, and excited to contribute to a high-impact mobile team. I would welcome the opportunity to discuss how I can add value to your organization. Sincerely, Prashant Solanki
₹7.000 INR på 7 dage
0,0
0,0

Your need for a reliable, cross-platform utility app integrating key productivity tools is clear. I propose building this with Flutter to ensure a native feel on both iOS and Android while maximizing development efficiency. I will prioritize clean API integrations, smooth navigation, and adherence to app store requirements. Expect scalable, maintainable code with comprehensive comments and polished UI aligned to your wireframes. To clarify, are there preferred authentication methods or security standards for these tool integrations? Let’s discuss your priorities and timelines so I can tailor the development plan to your team's needs. When would be a good time to connect?
₹7.500 INR på 7 dage
0,0
0,0

Hello, Thank you for sharing the project requirements. I understand the goal is to develop a reliable utility application that integrates seamlessly with selected productivity tools (calendars, notes, cloud drives, etc.) and allows users to trigger them from one unified interface. Technical Approach I propose building the application using React Native with native module support where required. Why React Native? Single shared codebase for iOS & Android Near-native performance Faster development & cost efficiency Clean integration with third-party APIs Easy long-term maintenance Fully compliant with App Store & Google Play policies For tools requiring native SDK access (e.g., Google Calendar, iCloud, file system access), I will integrate native modules in Swift (iOS) and Kotlin (Android) to ensure fully native behavior.
₹7.000 INR på 7 dage
0,0
0,0

Hi, I can easily DO your work IN 24 HOURS, DM me now to get started, PRICE NEGOTIABLE 100% Work satisfaction is provided
₹2.000 INR på 1 dag
0,0
0,0

Your goal is clear: a simple, dependable utility app that removes friction by bringing key productivity tools into one place. The real challenge here is building smooth integrations and a native-like experience while keeping the app lightweight, scalable, and compliant with App Store and Google Play standards. My focus is to design a clean architecture so future tools and updates can be added easily without rebuilding the app. Based on your scope, I would recommend a shared codebase (Flutter or React Native) to ensure faster delivery and consistent performance while maintaining a native feel. I’ll structure the integrations carefully to handle API changes, authentication, and secure data exchange. Here’s how I can help: • Cross-platform app with native performance and UI polish • Secure integration with calendars, notes, and cloud APIs • Clean architecture for future tool expansion • Smooth UX based on your wireframes • Testing, debugging, and performance optimisation • TestFlight and Google Play internal track setup • Well-commented code and clear documentation • Support during initial rollout Budget can be discussed after reviewing the wireframes and integration scope. One quick question: do these tools use standard OAuth authentication, or will we need custom login and token management for some integrations? Best regards. PKS
₹8.000 INR på 15 dage
0,0
0,0

Hello, I’m a Flutter & Full-Stack Developer with 2+ years of production experience building cross-platform apps used by 1000+ active users. I’ve developed and deployed real-world mobile applications to both Google Play and the App Store, including apps with complex API integrations and clean native-feeling UI. Your requirement for a cross-platform utility app that integrates productivity tools from a single unified interface aligns perfectly with my experience. Here’s how I would approach this: • Build a fully native-feeling cross-platform app using Flutter • Implement secure API integrations for calendar, notes, and cloud drive tools • Ensure smooth authentication handling (OAuth where required) • Maintain clean state management and modular architecture for future updates • Deliver polished UI aligned with App Store & Play Store guidelines • Handle TestFlight deployment and Play Store internal testing setup • Provide complete source code with documentation for future maintenance Since I’ve worked on production-level apps with API integrations and user-facing features, I understand the importance of reliability and smooth user experience — especially when multiple tools are being centralized. I can begin immediately and deliver within a structured timeline. Looking forward to collaborating. Best, Ravindu
₹12.000 INR på 10 dage
0,0
0,0

Hi there. I read your brief for the centralized utility app. Juggling multiple productivity tools is a massive pain point, and I know exactly how to unify them cleanly into a single cross-platform interface. You might notice my new Freelancer profile. That is your biggest advantage. I am an experienced mobile developer actively building my reputation here, and I am willing to dedicate my full attention to your app at a highly competitive rate to secure my first 5-star review. Why I am the perfect fit for this: I recently engineered "e7sebly," a versatile, multi-purpose utility mobile application built to provide users with a suite of essential everyday tools within one streamlined interface. I have direct experience handling the exact UX challenges of packing multiple tool functionalities into a clean, intuitive dashboard. My Execution Plan: I will build your app using Flutter to deliver a premium, native feel for both iOS and Android from a single codebase. Because integrating multiple external APIs (calendars, drives) can cause UI lag, I strictly use the Bloc state management pattern. This guarantees your app will trigger these tools instantly without freezing or crashing. I will handle the TestFlight and Google Play Internal setups personally. Do any of the target APIs require complex OAuth2 authentication flows, or are they straightforward API keys?
₹12.500 INR på 14 dage
0,0
0,0

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