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I'm seeking an experienced app developer to create a cross-platform productivity app focused on task management. Key Requirements: - Core feature: Task management - Platforms: iOS and Android - User-friendly interface - Secure data handling - Offline functionality Ideal Skills and Experience: - Proven experience in cross-platform app development - Strong background in UI/UX design - Expertise in task management features - Familiarity with data security protocols - Excellent problem-solving skills Please provide samples of similar work done.
Project ID: 40616835
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115 freelancers are bidding on average ₹56,417 INR for this job

Hi there, I will deliver a cross-platform task management app for iOS and Android with offline functionality, clean UI, and secure local data storage. The app will sync tasks once connectivity returns, so nothing is lost between sessions. On a similar productivity build, adding offline queuing with background sync reduced user-reported data loss to zero. I will set yours up the same way. Questions: 1) Do you have a preferred framework (Flutter, React Native), or is that open? 2) Will tasks need subtasks, due dates, or priority labels at launch? Share any wireframes or feature notes you have and I will map out the full screen list by tomorrow. Looking forward to potentially working together. Thanks, Kamran
₹42,341 INR in 13 days
7.6
7.6

Having spearheaded mobile app development for nearly two decades, CnELIndia is fiercely equipped and exceptionally well-versed to deliver an exemplary cross-platform productivity app for you. Our team's unyielding dedication towards ensuring the success of our client’s projects, coupled with a thorough understanding of your need for a user-friendly task management system, position us as the perfect collaborative partner in this project. We’re not just seasoned developers, we prioritize listening and curating meaningful conversations which informs a thoughtful approach to understand and capture your vision with precision. Our proficiency in UI/UX design guarantees that your task management app won't just function perfectly but will be packed with sleek-yet-intuitive designs too. As data privacy is one of your top concerns, rest assured we've got you covered. Our developers have an intimate familiarity with data security protocols ensuring your data is handled safely at all times. Furthermore, we understand the importance of maintaining productivity even without connectivity, so we'll incorporate offline functionality within the app allowing users to create and manage tasks without interruption. If you desire a seamless cross-platform experience that's reliable and secure, choose CnELIndia.
₹56,250 INR in 15 days
7.0
7.0

Hello, I have 10 years of experience developing cross-platform mobile applications with a strong focus on productivity, business workflows, and scalable architectures. For this project, I recommend React Native for iOS and Android, backed by Node.js with REST APIs and PostgreSQL. This technology stack delivers excellent performance, a consistent user experience, and supports future feature expansion with ease. My approach is to build an intuitive task management application with secure authentication, offline data synchronization, responsive UI, and reliable data handling across devices. I have experience building CRM, ERP, and workflow management applications with task tracking and productivity-focused features. I would be happy to discuss your requirements and share relevant project experience that aligns with your vision. Best regards
₹37,500 INR in 7 days
7.0
7.0

Hello, with a suite of skills specifically tailored to meet your project's demands, we stand out as the ideal choice for your cross-platform productivity app development needs. Our extensive experience in Mobile App Development, UI Design, and task management solutions places us in a uniquely advantageous position to execute your vision. Whether it's for iOS or Android, we are adept at creating user-friendly interfaces that incorporate offline functionality, ensuring an uninterrupted workflow experience for your users. Our proficiency with data security and handling is second to none. We're highly conversant with implementing stringent protocols to guarantee the safety of sensitive user information within applications. Our projects have consistently been appreciated for their accurate design and smooth functionality, always able to meet the highest standards of quality. Let's have a quick chat. Regards, Rohan
₹75,000 INR in 24 days
6.6
6.6

Hi, I'd love to help develop your Cross-Platform Productivity & Task Management App. Our team has extensive experience building high-performance mobile applications with intuitive UI/UX, offline capabilities, secure cloud synchronization, and scalable architectures. Recommended Tech Stack Mobile: Flutter (iOS & Android) Backend: Node.js (NestJS) Database: PostgreSQL / Firebase Authentication: JWT / Social Login Cloud: AWS / Google Cloud Notifications: Firebase Cloud Messaging Analytics: Firebase Analytics Key Features Task Creation & Management Categories, Priorities & Due Dates Offline Mode with Auto Sync Secure User Authentication Real-Time Data Synchronization Push Notifications & Task Reminders Calendar & Productivity Dashboard Search, Filters & Task Organization User Profile & Settings Admin Dashboard & Analytics Secure Data Storage & Encryption Complete Source Code, Documentation & Deployment Support Looking forward to working with you. Thanks & Regards, Dheeraj K.
₹100,000 INR in 15 days
7.0
7.0

Hello, I've carefully reviewed your requirements and understand you're looking to build a cross-platform productivity application centered around intuitive task management for both iOS and Android. The goal is to deliver a fast, secure, and user-friendly application that allows users to manage tasks efficiently, even without an internet connection, while maintaining seamless synchronization when connectivity is restored. I have already developed similar productivity, task management, and business workflow applications with real-time synchronization, offline-first architecture, secure authentication, and responsive user experiences. I recommend building the application using Flutter for a single high-performance codebase, Node.js (NestJS) for the backend, PostgreSQL for structured data, Firebase Authentication & Push Notifications, and SQLite/Hive for offline storage with automatic background synchronization. The application will include: Secure user authentication Task creation, editing, prioritization, and categorization Offline task management with automatic sync Push notifications and reminders Clean, modern, and responsive UI Role-ready scalable backend APIs Complete source code, documentation, and deployment support I also provide 3 months of free post-launch support for bug fixes and minor enhancements. PLEASE INITIATE CHAT SO I CAN SHARE MY PREVIOUS PRODUCTIVITY AND TASK MANAGEMENT APPLICATIONS. Best Regards, Nikita Gupta
₹100,000 INR in 45 days
5.8
5.8

I’ve built cross-platform task management apps before that work smoothly on both iOS and Android, with offline capabilities that sync data securely once online. For your project, I’ll focus on creating a simple, clean interface that keeps task management intuitive and quick. One practical approach is using local encrypted storage to protect user data when offline, then syncing changes securely when back online. Do you have any preferences for task organization (like tags, priorities, or deadlines)? Also, should offline changes sync automatically or prompt users first? From my experience helping a client improve their task app’s offline mode, the key was balancing data security without complicating the user experience—something I’ll apply here. I’m ready to start building your app and ensure it works reliably across platforms. Let me know how you’d like to proceed.
₹37,500 INR in 7 days
5.3
5.3

As a Full Stack Developer and AI Solutions Expert with 8+ years of industry experience, I'm confident that I have the expertise you're seeking for your cross-platform productivity app development project. I've built numerous scalable web and mobile applications, using technologies such as Flutter and Android/iOS, which are essential for your task management app. In addition to my technical competencies, I believe my problem-solving skills combined with long-term technical support would add value to your project. You can entrust me not only with the development but for maintaining the application's performance over time too. To further ensure my suitability for this project, I'd love to present you with samples of similar work I've done. Let's discuss your vision, turn it into reality and revolutionize the way people handle tasks on mobile platforms!
₹45,999 INR in 7 days
4.9
4.9

With a solid background in cross-platform app development and a focus on intuitive UI/UX design, I am well-equipped to create a productivity app emphasizing task management for both iOS and Android platforms. My experience includes developing task management features and implementing robust data security measures. Could you share more details about the specific offline functionality requirements for this app? Regards, Yogesh Kumar
₹43,070 INR in 6 days
4.5
4.5

As an experienced app developer with a strong focus on cross-platform solutions, I believe I'm the perfect fit for your project. My nine+ years in mobile and web development includes a deep understanding of both iOS and Android platforms. Having created numerous apps across both OSs, I am familiar with the nuances and functionalities needed to deliver a seamless experience to users of both ecosystems. In addition to my platform proficiency, I bring along extensive knowledge about task management features - a core functionality for your app. I have a proven track record of building user-friendly interfaces in line with UI/UX design principles, ensuring optimal user engagement and productivity. And because data security and offline capabilities are crucial for any productivity app, you can rest assured that these aspects will be addressed seamlessly as well. What sets me apart further is my commitment to deliver high-quality work that intersects my clients' expectations with real-world feasibility. As we advance in this project, I will provide you not only with my Android and iOS expertise; but also with my Java, PHP, HTML5/CSS/Responsive Design skills among others as needed. I'm open and responsive to ideas, provide cost-effective solutions, offer free 3-month post-delivery support and keep hosting, domains and other costs to a minimum. To help us both confidently transition from comfort-zones to expansion-zones – feel free to refer to some samples of similar wo
₹56,250 INR in 7 days
5.3
5.3

Hello there, I can help you build a clean, user-friendly cross-platform task management app for both iOS and Android. I have 15+ years of experience in app development and have worked on similar productivity tools with strong focus on UI/UX, offline functionality, and secure data handling. I also use AI in my workflow to speed up development while maintaining high quality and reducing overall cost. I understand the importance of smooth performance, intuitive design, and reliable data sync—even in offline mode—and I ensure everything is built with scalability in mind. Happy to share relevant work samples and discuss your exact requirements. Let's chat, Himanshu
₹56,250 INR in 7 days
4.5
4.5

I read your job post As an experienced full stack developer with a specialisation in mobile app development, I'm well-equipped to create your cross-platform productivity app. I've successfully developed a range of productivity apps in the past, including task management features that align with your project requirements. Plus, my expertise in backend languages like Node.js and Laravel lends itself well to handling data securely and ensuring offline functionality with ease. I understand the importance of a user-friendly interface and excellent UX design, and I have a strong track record in this area. My apps consistently provide intuitive experiences for users, which I believe is essential for any productive tool such as yours. Additionally, given my experience with databases like MongoDB and MySQL as well as my proficiency with APIs, I can confidently guarantee efficient data handling suited to your needs. Lastly, what sets me apart is not just my skill set, but also my commitment to seeing projects through to their maximum potential. This means not only meeting deadlines, but also providing ongoing support and updates as required even after the project completion. By entrusting your project to me, you're choosing quality and dedication. Let's turn your vision into reality and create a top-notch productivity app together!
₹45,000 INR in 25 days
4.1
4.1

Hi, I'd love to help build your cross-platform task management app using Flutter, delivering a single high-performance codebase for both iOS and Android. I'll create a clean, intuitive UI with offline-first functionality, secure local data storage, and seamless synchronization support for future scalability. With 10+ years of mobile development experience, I focus on building maintainable, production-ready applications with excellent performance and user experience. I'll also ensure the architecture is flexible enough to accommodate future features such as reminders, collaboration, and cloud sync without major rewrites. I'd be happy to discuss your requirements in detail and share relevant examples of my work that align with your project's goals.
₹40,000 INR in 7 days
4.2
4.2

Hi, I reviewed your project requirements and believe I'm a good fit for building your productivity app. I've developed cross-platform mobile applications using React Native with a strong focus on performance, clean UI, and long-term maintainability. For this project, I'll build a responsive task management app for both iOS and Android with offline support, secure data storage and synchronization, and an intuitive user experience that makes managing tasks simple and efficient. I'll ensure the app performs smoothly across devices while following best practices for security and scalability. Throughout the development process, I'll provide regular updates, clean and well-structured code, and thorough testing before delivery. I'll also assist with deployment to both the App Store and Google Play if required. I've worked on several production mobile applications involving authentication, real-time features, and modern UI/UX, and I'd be happy to share relevant work and discuss the best architecture for your app. I look forward to hearing from you and discussing your project in more detail. Thanks, Abhi Patel
₹56,250 INR in 7 days
4.1
4.1

Hi, We can help you build a cross-platform productivity app that makes task management simple, secure, and reliable for users on both iOS and Android. Our team can develop an intuitive interface with task creation, organization, reminders, offline functionality, secure data handling, and smooth performance across devices. We focus on clean UI/UX and scalable architecture to ensure the app is easy to use and ready for future enhancements. We have experience building mobile applications with cross-platform technologies and can share relevant productivity or management app examples. We’d love to discuss your requirements and create a roadmap for your app development. Let’s connect and get started.
₹40,000 INR in 15 days
4.1
4.1

Your goal of building a cross-platform productivity app with a strong focus on task management immediately stood out. The challenge is creating an experience that feels fast, intuitive, and reliable while ensuring tasks remain secure, accessible offline, and seamlessly synchronised across devices. My approach would be to develop a scalable cross-platform application with a clean, user-friendly interface, robust local data storage for offline access, secure synchronisation, and a modular architecture that supports future productivity features. Every aspect of the app would be designed with performance, usability, and maintainability in mind, ensuring a smooth experience on both iOS and Android. I've worked on mobile application projects where user experience, clean architecture, and long-term scalability were key priorities. I'd be happy to discuss your feature requirements, recommend the most suitable technology stack, and deliver a polished, production-ready task management app complete with documentation, testing, and deployment support.
₹48,000 INR in 7 days
3.9
3.9

With your Cross-Platform Productivity App project, Saiqa is an ideal fit. I have years of cross-platform app development experience, covering not only the technical aspects but also the ability to create a seamless user experience. My background in UI/UX design ensures your end users will find the app's task management feature intuitive and efficient. Data security is paramount to any app, especially in a productivity setting where sensitive information might be handled. I am well-versed in data security protocols and will build top-notch protective measures for your users' information. Another key highlight of my skill set is the offline functionality which you seek for this app. Utilizing tools like Flutter that I specialize in, I will make sure that users can access their tasks without needing an internet connection. In case you need more convincing about my capabilities, I'm ready to provide samples of similar work which would demonstrate my strengths even further. I understand that you need a Freelancer who can deliver clean and scalable systems on time and within budget, without compromising quality. And this is exactly what I have been doing throughout my career. With me on board for your project, rest assured that your vision will become code and your users will have a remarkable productivity app experience. Let's get started!
₹56,250 INR in 7 days
3.6
3.6

With the ever-evolving nature of technology, businesses seek practical, scalable, long-term solutions that will help them stand out in their respective markets. This is where I excel. Having worked with diverse clients like yourself, I've honed a deep understanding of cross-platform app development, just what you're looking for. Whether you need it for iOS or Android, my proficiency in React Native and Flutter aligns perfectly with your needs. When it comes to designing user-friendly interfaces and smooth, secure data handling, my five years of experience come into play. I have successfully implemented task management features similar to yours in the past. Alongside, I'm well versed with API development ensuring your desired functionality will be seamlessly integrated and run proficiently. Lastly, one crucial aspect of project success lies in communication and support even after implementation; something I'm very particular about. My goal is to build lasting relationships through my quality work and dedicated support and thus if you bring me on board for this exciting project, I promise you optimum results. Don't take my word for it though! If you’d like to see examples of similar work done or have any specific queries about how we can tailor this project to meet your expectations, let’s discuss further!
₹70,000 INR in 7 days
3.8
3.8

With over a decade-long experience under my belt as a mobile app developer, with special focus on cross-platform apps, I am the perfect fit for your project. My previous undertakings include developing robust and intuitive task management features on mobile platforms like iOS and Android. With data security and offline functionality being of utmost importance in productivity apps, my experience and familiarity with similar protocols make me a dependable partner. To ensure an interface that is both user-friendly and visually appealing, I have also acquired strong skills in UI/UX design -- turning complex functionalities into elegant interfaces. My clients often commend me for my ability to convert their vision into scalable, secure, and revenue-generating digital ecosystems. Moreover, transparency and clear communication have always been a part of my work process. I document every step of development from requirement analysis to post-launch support to help you understand the progress we are making together. So, if you wish to streamline your task management system efficiently, let's connect! Let us transform your ideas into a revolutionary digital product that stretches seamlessly across platforms
₹56,250 INR in 5 days
4.5
4.5

Hi, I’m Karthik. With over 15 years of experience in mobile development, I specialize in building robust, high-performance cross-platform applications. I have read your requirements for the productivity/task management app and am confident in delivering a seamless, secure, and user-centric solution. My Approach: Tech Stack: I leverage Flutter/React Native for native-like performance on both iOS and Android from a single codebase, reducing your time-to-market and maintenance costs. Core Features: Implementation of intuitive task management workflows, including real-time synchronization and reliable offline-first functionality using local databases (SQLite/Realm). Security: Rigorous focus on data protection, encryption, and secure authentication protocols to ensure user trust. UI/UX: Focused on clean, modern design patterns to ensure high user engagement. I have successfully delivered multiple productivity-focused projects. I am ready to start immediately and ensure a smooth development lifecycle. Please check my portfolio for relevant samples. Let's discuss your vision further. Best regards, Karthik
₹74,250 INR in 7 days
3.1
3.1

New Delhi, India
Member since Jul 31, 2026
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