Cross-Platform Internal Communication App

@infowider11

Hi, I can help you build a secure, real-time internal communication app that works seamlessly across iOS, Android, and web using a single backend. I’ll deliver core features including group messaging with searchable history, fast file sharing with previews, push notifications, user presence, and admin controls, all backed by strong encryption and real-time sync. The app will be built with scalable architecture so features like video calling can be added in future phases. I can start immediately and help you launch a polished MVP quickly. Let’s review your full wish list and align on timeline. Let’s chat… Thanks

@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 will use AI tools to developed your app very quickly and so in cheapest cost as 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

@AwaisChaudhry

Hello, I understand you want a single, seamless platform for CEO updates, with real-time sync across iOS, Android, and web. My approach is to build a cross‑platform client with a unified backend that handles secure group messaging with searchable history, fast drag‑and‑drop file sharing with previews, push notifications, user presence, and solid encryption from day one. I’ll architect native components where needed (iOS in Swift, Android in Kotlin) and use a robust cross‑platform framework (React Native or Flutter) to deliver a consistent experience across devices. The backend will be real‑time (WebSocket or a managed real‑time service) and scalable for growth, with admin controls and audit trails. Video calling will be staged for a later phase to minimize risk and speed up initial delivery. I’ll follow a lean MVP plan to verify security, UX, and performance before expanding features. What is the expected user base (number of admins, moderators, and team members) and growth plan over the first year? What are the security requirements (encryption at rest, in transit, key management, and compliance)? Do you have an existing identity provider or would you like a built‑in auth system? Which real-time backend option do you prefer (self-hosted, managed services, or a hybrid)? Are there any regulatory or data residency concerns by region? What file types and maximum sizes should be supported in drag‑and‑drop previews? What level of admin controls is required (roles, pe

@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 completed more than 525 projects either local or internet based. i am super confident i will provide you best quality software services on time and on budget. Let's chat to proceed..

@a4logic

Hello, With our years of experience in web service and application development, espousing the latest technologies such as Android, Kotlin, Mobile App Development, and PHP - we can offer you the seamless solution you are seeking. Given the unavailability of Workplace app - our hands-on approach to building occupation-specific applications that address your need will be an invaluable asset. We completely understand the importance of effective internal communication and guarantee a secure group messaging platform for your team to keep track of critical conversations with searchable history. We'll implement fast drag-and-drop file sharing that also previews important formats to ensure your company's latest news reaches everyone without any hassle. Moreover, we'll ensure that your app runs smoothly both on iOS and Android while functioning perfectly in any modern web browser. It is our promise to develop a real-time backend system ensuring all conversations stay perfectly in sync, using the essential features such as push notifications, user presence, simple admin controls and solid encryption to facilitate a comfortable and reliable user experience. Despite not yet offering video calling, once it aligns with your requirements, we can incorporate this seamlessly in future phases of development. With us, expect your dreams transformed into reality! Thanks!

@kamran2012

Interesting project, I will deliver a cross-platform communication app — iOS, Android, and web — powered by a single real-time backend with secure group messaging, searchable history, and drag-and-drop file sharing with inline previews. For the real-time layer, I will use WebSockets with a presence channel architecture so user online/offline status updates instantly across all platforms without polling, keeping battery and bandwidth usage low on mobile devices. Questions: 1) Do you have a preferred auth method — SSO, email/password, or integration with an existing directory? 2) Roughly how many team members will use the app at launch? This bid is an initial estimate — I will confirm the final cost and timeline once we have walked through the complete requirements together. Looking forward to your response. Best regards, Kamran

@SBITServices

Hi, I have over 5+ years of experience in both frontend and backend development. I will do the specified tasks. Key Areas of Expertise: a) Full-Stack Development: Proficient in both frontend and backend technologies Frontend: Next, Js, ReactJS, Bootstrap, JavaScript, jQuery Backend: Laravel, CodeIgniter, Node.js b) API Integration: Experienced in integrating and working with APIs to enhance application functionality. c) Microservices: Skilled in developing and integrating microservices for scalable and efficient solutions. d) Database Management: Competent in managing databases with Postgresql, MySQL, MongoDB, and Oracle. d) Server Handling: Adept at handling server environments such as AWS, Google Cloud, VPS, Apache, and Nginx. Let’s discuss how I can help achieve your project goals and add value. Lets connect in chat so that We discuss further. With Regards, Sai

@DeveloperStation

Hi there, We’ve developed similar internal communication apps that combine messaging, file sharing, and video calls into a single product. One of our solutions, called Convo, was built for a client who wanted to replace Slack with a more cost-effective alternative. We integrated features like group messaging, file sharing, and video calls, and we also implemented a custom WebRTC solution for secure, on-demand video calls. For your project, we can use the same WebRTC solution to enable one-on-one and group video calls, ensuring you don’t have to rely on third-party APIs. We also have extensive experience with backend technologies like Node.js and PHP, and we’ve worked with front-end frameworks such as React, Vue, and Nuxt. This versatility allows us to choose the best tool for each specific feature, rather than being limited to a single framework. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil

@ZohaibRoy

⭐⭐⭐⭐⭐ Create a Seamless Communication App for Your Team ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for an app to share company updates and news. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects for communication apps. I will ensure your app runs smoothly on iOS, Android, and web browsers, with one real-time backend for synced conversations. ➡️ Why Me? I can easily build your communication app as I have 5 years of experience in mobile and web app development. My expertise includes secure messaging, file sharing, and user management. Besides, I have a strong grip on technologies like React Native, Firebase, and RESTful APIs, ensuring a comprehensive approach to your project. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in chat. ➡️ Skills & Experience: ✅ Mobile App Development ✅ Web App Development ✅ Secure Messaging ✅ File Sharing ✅ User Authentication ✅ Real-time Backend ✅ Push Notifications ✅ Admin Controls ✅ Cross-Platform Development ✅ UI/UX Design ✅ Agile Methodologies ✅ API Integration Waiting for your response! Best Regards, Zohaib

@malviyamanish

Hello, My name is Manish, and I lead a development team experienced in building real-time communication platforms and cross-platform applications. We can develop your internal company app for iOS, Android, and web using a shared real-time backend so all messaging and updates stay fully synced across devices. The system will include secure group chat with searchable history, fast file sharing with previews, and a scalable architecture ready for encryption, notifications, and admin controls. We focus on clean UI, strong performance, and future-ready design so features like video calling can be added in later phases without refactoring. We’ve worked on similar workplace communication and messaging systems and can share relevant examples during discussion. Thanks

@ioswithfaisal

Hi, I can build your internal communication platform as a cross-platform Flutter app for iOS, Android, and Web with a single real-time backend to keep chats, updates, and files perfectly synced. I have experience developing scalable apps with secure messaging, push notifications, admin panels, and modern responsive UI/UX. The system can include searchable chat history, drag-and-drop file sharing with previews, user presence indicators, and strong authentication/encryption from the start. I’ll also review the attached wish list carefully and suggest the best architecture to keep the app fast, secure, and ready for future features like video calling.

@caroldata

As a tenured professional in the software development industry with more than 10 solid years of experience, I have perfected my craft in creating seamless, cross-platform applications similar to what you desire. I am also well-versed in different programming languages such as JavaScript (including AngularJS and ReactJS) and PHP which are pivotal to your project success. Alongside my team at Carol Data Technology, we offer a holistic range of services that aligns perfectly with your needs, including website creation, mobile app development, testing, project management and maintainence. This will ensure that your project is developed, tested and launched professionally while guaranteeing error-free service to give your team the communication platform they need. We understand your urgency to find an alternative communication app for your team after Workplace app became unavailable; this is where our daily project progress report benefit comes handy. We provide regular updates on our projects, ensuring open communication and keeping you updated on the milestones achieved day by day till completion. Upon completion, we offer continued support to all our clients because we take pride in creating long-lasting business relationships. This means that even after launching your app successfully, we will be available to resolve any issues or make improvements as needed.

@XanvraTECH

Hello, I am very interested in your project to develop a cross-platform internal communication app for your team. I have a deep understanding of the project requirements, including the need for real-time syncing across iOS, Android, and web platforms, secure messaging, file sharing, and other core features. With expertise in Flutter, iOS Development, Android, Node.js, and React Native, I am well-equipped to handle the development of this app. I plan to leverage my skills in mobile app development and backend technologies to create a seamless and user-friendly communication platform for your team. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I would love to discuss this project further with you to understand your vision in more detail. Looking forward to the opportunity to work together. Best regards, Warda Haider

@eliaa

Hello, I understand you're looking for a smooth cross-platform internal communication app to keep your team updated effortlessly. A key challenge is ensuring real-time updates reach all devices without delays or glitches. Our experience with Flutter lets us build seamless, responsive mobile apps that work perfectly on both iOS and Android. You can check samples from our work at https://www.freelancer.com/u/eliaa. Looking forward to hearing from you. Best Regards, Elia Fawzy.

@teodorgeorge

Hello, I can help build your cross-platform internal communication app to replace Workplace, with native iOS/Android and web access connected to one real-time backend so company updates, group messages, files, presence, and notifications stay in sync. I have experience with React Native/Flutter style mobile builds, Node.js/PHP backends, secure messaging, searchable history, admin controls, encryption, and drag-and-drop file sharing with previews for common formats. I can review the Whittens Workplace Comms Requirements PDF carefully and shape the first version around the must-have launch features while keeping video calling ready for a later phase. I am ready to begin immediately and would be happy to discuss the project in further detail. Thanks, Teo

@djuriciclazar645

Dear client! As a seasoned developer, strategizing to build seamless and intelligent apps is my strong suit, making me an excellent fit for your internal communication app project. I've been working with Flutter and React Native - versatile platforms that will effortlessly ensure your app's compatibility across iOS, Android, and modern web browsers. In addition to this, my extensive understanding of cloud infrastructure means I can provide the rock-solid deployment and real-time backend you need to guarantee that every conversation stays perfectly in sync. Moreover, while video calling may not be an immediate priority for you, it is definitely something I can seamlessly integrate at a later phase given my mastery over Node.js, PHP, and overall back-end API design. This concept is all about fostering smooth team communication and ensuring security along the way. My track record of implementing solid encryption combined with user presence and push notifications further assures me in leading your project. Allow me the opportunity to turn your vision into reality by transforming the way your team finds information in the app through my comprehensive search algorithm that would make your data easily accessible yet secure. Let's start building a communication tool that resonates with the true heartbeat of your company! I will wait for your response. Thanks. Lazar

@Herculesz

Hi, this project to build a unified internal communication platform with real-time sync across multiple clients presents a clear challenge in backend orchestration and security. I usually design systems that separate messaging ingestion, storage, and retrieval layers to optimize consistency and scalability under real-time constraints. I've built several production systems with secure, searchable messaging histories and file sharing capabilities. The Custom Feature Development & Integration project demonstrates my ability to dive into existing codebases and deliver robust, maintainable enhancements aligned with business goals. Architecturally, I recommend isolating the real-time sync engine from the storage backend to balance latency and data durability, while applying end-to-end encryption with careful key lifecycle management. Though this project does not involve LLMs, my experience with reliable system design includes fallback routing and evaluation logic to maintain service availability. I approach systems to ensure long-term production stability, with clear documentation and test coverage. I can outline a retrieval pipeline and sketch the ingestion architecture to support your secure, multi-platform messaging needs. Thanks, Hercules

@mahig47

Hello! As per your project post, you’re looking to build an Internal Communication and Workforce Engagement App that replaces Workplace and fragmented communication tools with one centralized ecosystem. The goal is to create a secure and scalable real time communication platform where leadership, employees, project teams, and workforce sectors can collaborate and stay connected seamlessly across iOS, Android, and web. My focus will be on delivering a complete workforce communication solution, featuring: real time group messaging with searchable history, drag and drop file sharing with previews, company news feeds and CEO announcements, community spaces for teams and projects, push notifications and presence indicators, secure admin controls, intranet and document access modules, surveys and recognition systems, analytics dashboards, encrypted communication infrastructure, and scalable cloud backend synchronization across all devices. I specialize in building scalable communication and SaaS platforms using Flutter, React Native, React, Node.js, Firebase, and cloud based backend systems with expertise in real time messaging, enterprise collaboration tools, notification systems, analytics, and secure multi platform architecture. Let’s connect to review the communication workflows, employee engagement goals, and rollout priorities so we can finalize the MVP roadmap and technical architecture. Best regards, Nikita Gupta.

@wpexpert0141

We propose building a modern internal communication platform designed specifically for leadership communication, company-wide updates, and secure team collaboration. The platform will replace your previous experience with Workplace while giving you full ownership, branding, and flexibility. The application will run seamlessly across: iOS Android Modern Web Browsers All platforms will share a single real-time backend, ensuring conversations, files, and notifications remain perfectly synchronized everywhere. Create a secure, fast, and intuitive communication hub where leadership can share updates instantly and employees can collaborate effortlessly. This platform will become the company’s central communication hub — enabling leadership to share updates instantly, employees to collaborate efficiently, and teams to stay connected securely across every device. The result is a faster, more connected, and more engaged organization with complete ownership of its internal communication ecosystem. The platform will focus on: Clear executive communication Reliable real-time messaging Secure document sharing Company-wide engagement Simple administration Enterprise-grade scalability