
Cancelled
Posted
Paid on delivery
I'm looking to develop a cross-platform mobile application that focuses on data synchronization. The app will support both iOS and Android systems. Key Requirements: - The primary function of the app is to synchronize various types of data across different devices. This will involve the handling of a variety of data files, not limited to but including documents, images, and videos. - The ideal freelancer for this project should have extensive experience in cross-platform app development, particularly with data synchronization applications. Skills and Experience Required: - Proficiency in developing apps for both iOS and Android. - Prior experience in creating data synchronization applications. - Excellent understanding of handling various types of data files within an app. example: gabonpay
Project ID: 39213148
128 proposals
Remote project
Active 1 yr ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

Hello! To ensure the best approach for your data sync app, a few questions: What data storage solutions are you considering for the app's backend? What is the expected volume of data to be synchronized per user? Do you have specific security requirements for data transmission and storage? I'm confident in delivering a robust cross-platform solution. Let's discuss further so I can provide an accurate quote.
$1,500 USD in 30 days
0.0
0.0
128 freelancers are bidding on average $1,367 USD for this job

Hello , Nice to meet you! I will design and develop mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam
$750 USD in 25 days
9.0
9.0

Hello, I understand you are looking to create a cross-platform mobile app that specializes in data synchronization for both iOS and Android. My approach will focus on ensuring seamless data transfer for different types of files, including documents, images, and videos. With my extensive experience in developing cross-platform applications, I am confident in my ability to handle the complexities of data synchronization effectively. I have a proven track record of creating applications that manage diverse data files and can ensure a user-friendly experience across devices. I am excited about the opportunity to collaborate on this project and bring your vision to life. What specific types of data files are most important for synchronization in your app? Thanks, Muhammad Awais
$1,500 USD in 10 days
8.8
8.8

Hi, Yes I develop cross platform application, what do you mean by data sync? Are you fetching data from some other platforms via APIs or scrapping? Do you mean centralized database, single source of data and same information should be presented on all app or web interfaces? Please share a few more details over chat or call. Thanks:)
$1,500 USD in 30 days
8.9
8.9

I WILL PROVIDE 2 YEARS FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I have 11 years of experience in cross-platform mobile development, I specialize in building data synchronization applications that ensure seamless transfer of various file types, including documents, images, and videos. Project Approach: Cross-Platform Development: Utilizing Flutter or React Native for a unified iOS and Android experience. Data Synchronization: Implementing real-time syncing mechanisms using Firebase, WebSockets, or a secure cloud-based backend. File Handling: Optimized support for structured and unstructured data. Security & Compliance: End-to-end encryption, secure cloud storage, and GDPR compliance. Agile Development: Iterative releases ensuring continuous improvements. Let’s discuss your vision further to refine the approach and execution. Looking forward to collaborating. Julian
$750 USD in 7 days
8.4
8.4

Hello, I can help you develop a cross-platform mobile app focused on seamless data synchronization for iOS and Android. With extensive experience in cross-platform app development and data synchronization, I will ensure smooth handling of various data types such as documents, images, and videos across devices. Looking forward to discussing how we can bring your app to life! Best, HAMMAD H.
$1,125 USD in 7 days
7.1
7.1

As an experienced mobile app developer with a strong command over both Android and iOS platforms, I'm confident that I can deliver exactly what you're looking for with your data synchronization app. Over the course of my 8-year career, my team and I have successfully completed 100+ projects, many of them involving the very same task you're aiming for - handling and synchronizing various types of data across multiple devices. We have consistently met the highest quality standards, adhering tightly to client specifications and ensuring timely delivery of our services. What sets us apart is our expertise in multiple technologies, including but not limited to Flutter, React Native, Swift, Objective C, Kotlin, and Java. Combining these enables us to develop apps that can ensure seamless cross-platform functionality while effectively handling all kinds of data files like documents, images, videos, etc. The trust our clients place in us is based on our proven track record and our dedication to their success. Your project is the perfect opportunity for me to bring my skills and experience to bear and exceed your expectations. Let's collaborate to build an innovative solution that streamlines data synchronization for your users on both iOS and Android!
$1,125 USD in 7 days
7.3
7.3

As an experienced cross-platform app developer with over 12 years in the realms of Xamarin and MAUI, I understand the value of data synchronization and how seamlessly it can be achieved across different devices. Your project aligns perfectly with my skillset, especially given my extensive knowledge in handling various types of data files within apps ─ a key requirement for your project. Throughout my professional journey, I've assisted numerous clients in creating highly functional data synchronization applications capable of managing diverse file formats, including documents, images, and videos. I'm also well-versed with securing microservices using OAuth and JWT for added data protection layers. This robust experience positions me uniquely in translating your vision into a top-notch product that runs impeccably on both iOS and Android systems. Moreover, my proficiency in other crucial domains like SQL, Web API, MVC (4/5), and C# allows me to offer a holistic approach to your cross-platform mobile app development project. By engaging my services, you can expect a high return on investment delivered within stipulated timeframes without compromising on quality. Let's team up and build a groundbreaking app!
$1,125 USD in 30 days
7.3
7.3

Hello, I HAVE DONE SIMILAR WORK AND I CAN SHOW YOU WHAT I OFFER: 1. UNLIMITED CHANGES UNTIL YOU ARE SATISFIED 2. 1 YEAR FREE SUPPORT AND MAINTENANCE POST LAUNCH 3. FULL SOURCE CODE AFTER COMPLETION I’ve read through your requirements, and I’m confident that I can handle this project effectively. I have over 8 years of experience in cross-platform mobile app development, I’ve built data synchronization applications that seamlessly manage documents, images, and videos across multiple devices. My expertise lies in Flutter and React Native for a smooth iOS and Android experience, along with real-time sync solutions using Firebase, WebSockets, and custom APIs. I ensure data integrity, conflict resolution, and optimized performance, even with large file transfers. If you're looking for a developer who understands both the technical and practical aspects of data sync, let’s discuss how I can bring this to life. Please come on chat box and I can offer you for more information. " I'm waiting for your Appreciate Response ", Thank you! Anurag.
$750 USD in 7 days
6.5
6.5

Hello there Hope you are doing well as you are looking for a "Build a Mobile Application for Android and iOS " so will make the same as you want , I have already develop and Design the so many Application , - I will use latest technology to develop your Application - I will share daily update with you - I Will deliver your project within timeline - After project completion will share complete source code - I will provide 1 year support our develop work - I have 10+ year experience in Web & App development - I will make the 100% responsive design , fast loading , SEO friendly and all - I will provide you super admin panel there you can manage the whole thing Please initiate the chat so will discuss together and all Thanks & Regards Dheeraj K.
$750 USD in 12 days
7.0
7.0

⚠️ IF YOU'RE NOT HAPPY YOU DON’T PAY ⚠️ Hi, I am experienced app developer, I checked your requirements, I am ready to develop cross platform app for you and I will work till you are 100% satisfied with my work, can we talk? Regards
$1,125 USD in 7 days
6.8
6.8

Hello there, I have great experience with Objective C, iPhone, iPad, Android and Mobile App Development. I am sure i can help u as i have experience with doing similar jobs. You can have a look at my profile here: https://www.freelancer.com/u/ayesha0124
$1,500 USD in 7 days
5.7
5.7

Hi Mate, Your vision for a cross-platform mobile application with seamless data synchronization is compelling! Ensuring smooth synchronization across devices, especially for documents, images, and videos, is a crucial challenge that requires robust solutions. 1. Could you clarify the expected frequency and method of synchronization (e.g., real-time, scheduled, manual triggers)? 2. Do you have any preferred cloud storage providers or backend infrastructure in mind for data handling? Given your example, GabonPay, I understand the need for efficiency and reliability in handling different data types across platforms. Our team has extensive experience in building cross-platform apps that ensure secure, high-speed data synchronization with minimal latency. By way of introduction, I’m Tejas J, representing a team of skilled full-stack developers with years of expertise in cross-platform development, specializing in Flutter, React Native, and cloud-based data synchronization solutions. We’d love to collaborate to bring your vision to life. Looking forward to your feedback and further details on this exciting project. Regards, Tejas J
$1,125 USD in 7 days
5.8
5.8

With nearly 10 years of experience in app development, we at Einnovention have mastered the art of cross-platform mobile application creation, something your project rightly calls for. Not only have we built numerous apps that operate seamlessly on both iOS and Android, but we also specialize in data synchronization applications. In fact, we've designed apps that handle a wide range of data files including documents, images, and videos. Given our extensive expertise and your prominent need for a proficient data handler throughout this project, I'm confident our team can deliver precisely what you envision. Our client-focused approach sets us apart. We begin each project with free consultations to align ourselves with our clients' demands and expectations; a dedicated approach that has earned us a 4.9/5 rating from over 248 successful Freelancer.com projects. Furthermore, our service doesn't end with completion; we offer free services for over 2 weeks, ensuring the optimal functioning and smooth running of the app.
$1,225 USD in 7 days
6.2
6.2

With a decade of experience under my belt, I've not only developed proficiency in both iOS and Android app development, but I also have extensive experience with cross-platform apps that involve data synchronization. Not many can boast robust expertise in this area, which sets me apart from the competition. I understand the complexity of managing various types of data files within an app and appreciate the importance of handling them properly. As such, I am well-versed in applying secure solutions to ensure the integrity and security of the data during synchronization. My skills in cross-platform technologies including React Native and Flutter will ensure swift and successful development for both iOS and Android systems. Commitment to quality is our paramount directive. Thus, I assure you of an app that works seamlessly across devices, synchronizing your documents, images, and videos error-free! I'm confident that my expertise combined with my team's 100% client satisfaction rate, strong technology competency, and transparent approach make. Best, Deb C
$1,500 USD in 35 days
5.6
5.6

Hello, Hope you're doing well! We’re excited about the opportunity to develop your app, ensuring seamless functionality across iOS and Android. With expertise in Flutter and React Native, we specialize in building high-performance, user-friendly applications that enhance productivity and organization. We have successfully completed 100+ projects, including productivity apps with: ✅ Task Management – Intuitive task creation, tracking, and prioritization ✅ Calendar Integration – Seamless syncing with Google, Outlook, and other calendars ✅ Push Notifications – Smart alerts to keep users on schedule ✅ Smooth UI/UX – A modern, clutter-free design for maximum usability Our team is highly experienced in developing scalable, well-optimized applications with real-time synchronization and offline support, ensuring a smooth experience for users. We also focus on security and performance, making sure the app runs efficiently across all devices. We offer the best possible pricing without compromising on quality. Let’s discuss your project in detail—happy to hop on a call or chat anytime! Best regards,
$1,125 USD in 7 days
6.2
6.2

Dear Client, N&T Negocios y Tecnologias s.r.l. is a leading IT development company with over 20 years of experience in the industry. We specialize in developing web, mobile, blockchain, and AI projects, providing innovative solutions to our clients. For your project, Cross-Platform App Development for Data Sync, we propose the following solutions: 1. Development of a cross-platform mobile application that focuses on data synchronization. 2. Support for both iOS and Android systems. 3. Handling of various types of data files, including documents, images, and videos. 4. Real-time data syncing across different devices. After analyzing the requirements of your project, we recommend using a hybrid mobile app development approach with technologies such as React Native or Flutter. This will allow us to create a single codebase for both iOS and Android, reducing development time and costs. Our team of experienced developers has a proven track record in developing cross-platform apps and data synchronization applications. We are confident in our ability to deliver a high-quality solution that meets your needs. We look forward to the opportunity to work on this project with you. Please let us know if you have any questions or would like to discuss further details. Thank you for considering N&T Negocios y Tecnologias s.r.l. for your project. Sincerely, N&T Negocios y Tecnologias s.r.l.
$2,500 USD in 45 days
5.5
5.5

Hello, I am excited about the opportunity to develop a cross-platform mobile application tailored for data synchronization, as outlined in your project description. With my extensive experience in mobile app development for both iOS and Android, I am well-equipped to deliver a robust solution that will seamlessly handle various types of data files, including documents, images, and videos. Having previously developed similar data synchronization applications, I understand the importance of efficiency and user experience. I will ensure that the app functions smoothly across different devices, providing your users with a reliable tool for data management. I am looking forward to collaborating with you and bringing your vision to life. Please find my insights related to Thanks, Musa Alper
$1,000 USD in 30 days
6.6
6.6

Hello Aziz, I understand that you are looking to develop a cross-platform mobile application that focuses on data synchronization for both iOS and Android systems. As an experienced mobile app developer with a strong background in cross-platform app development, I am confident in my ability to meet your requirements. I have expertise in developing apps for both iOS and Android platforms and have previously worked on projects involving data synchronization. I have a thorough understanding of handling various types of data files within an app, ensuring seamless synchronization across devices. Throughout the project, I will ensure effective communication to keep you updated on the progress and incorporate any feedback you may have. You can view examples of my previous work in my portfolio ⭐ WORK HISTORY: ✪ https://www.freelancer.com/u/amoizkhanofficia Best regards, Moiz
$1,000 USD in 6 days
5.0
5.0

With a proficient knowledge of cross-platform development using Flutter and experience with both iOS and Android, I'm uniquely equipped to take charge of your data synchronization project. My expertise in handling various types of data files is an added advantage, given the diverse range of data you anticipate working with. In addition to my technical abilities, my prior experience in creating data synchronization applications uniquely positions me to understand and effectively address challenges that may arise during the development of your app. I've honed my skills in web development, PHP, and Laravel along with excellent command over HTML, CSS, JavaScript, Bootstrap. With user experience at the forefront of my designs, I look forward to building an app that not only works seamlessly across platforms but synchronizes your various data files efficiently for enhanced productivity. Let's get started on turning your vision into reality! Contact me today!
$1,000 USD in 21 days
5.0
5.0

Hello, Cross-Platform App Development for Data Sync I HAVE SUCCESSFULLY DELIVERED SIMILAR PROJECTS I’m a seasoned developer with 7 years of experience, specializing in cross-platform applications and data synchronization. I’ll create a seamless, efficient, and secure app that synchronizes documents, images, and videos across devices with precision. My Approach & Workflow -->> Cross-Platform Compatibility: Flawless performance on both iOS & Android. -->> Real-Time Data Sync: Fast & reliable synchronization for all file types. -->> Secure Data Handling: Encryption & optimized storage for safety. -->> Efficient File Management: Smart categorization & quick access. -->> Smooth UI/UX: Intuitive design for effortless user experience. With expertise in sync-driven apps like GabonPay, I ensure robust, scalable, and high-performance development. Let’s build an app that keeps your data always in sync! Best regards, Shipra
$755 USD in 7 days
5.6
5.6

LIBREVILLE, Gabon
Payment method verified
Member since Oct 27, 2021
€1500-3000 EUR
$1500-3000 USD
$30-250 USD
$250-750 USD
€12-18 EUR / hour
$250-750 USD
$250-750 USD
₹12500-37500 INR
₹600-2000 INR
$10-30 USD
₹1500-12500 INR
$30-250 USD
₹75000-150000 INR
$30-250 AUD
₹600-1500 INR
$10-30 USD
₹1500-12500 INR
₹12500-37500 INR
₹1500-12500 INR
$750-1500 USD
$250-750 USD
₹250000-500000 INR
$1500-3000 SGD
$30-250 USD
$30-250 USD