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We are seeking a professional and long-term app developer to develop two applications (iOS and Android) for our voice app, Dala3 Party, based on ready UI designs. **Developer Requirements:** 1. Build the full application (Front-End + Back-End) according to the current design. 2. Develop and integrate a high-quality audio system (e.g., WebRTC / LiveKit or equivalent) to support: - Multiple voice rooms - VIP events and competitions - Full user and conversation management 3. Deploy the app and audio system on a single VPS server. Estimate the server size needed beforehand for expected user load. 4. Optimize audio quality and minimize lag/delay for the best voice experience. 5. Estimate the running cost of the audio system post-development based on expected user numbers. 6. Organize all components efficiently and ensure scalability for future growth. **Skills Required:** - Strong experience with WebRTC / LiveKit or similar audio systems. - Experience developing apps from ready UI designs. - Experience managing VPS servers and heavy applications. - Ability to optimize audio quality and minimize delays. - Proficient in iOS & Android development (Native or Flutter/React Native). **Advantages:** - Long-term collaboration opportunities developing two complete applications. - Future projects will be available after this one for continuous development. - Flexibility in choosing the best technologies for development and easy deployment. **Pricing:** We aim for fair, affordable pricing that reflects professional expertise while enabling project completion within budget. **Outcome:** Two fully functional voice apps for iOS & Android with high-quality audio systems, VIP features, events, competitions—all deployed on a single VPS server ready for launch!
Mã dự án: 40334408
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Hoạt động 17 ngày trước
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With my extensive 7+ years of professional experience and specialization in Full-Stack Mobile App Development, I am undoubtedly the right person for your iOS and Android voice app project, Dala3 Party. My broad range of skills encompasses both frontend and backend development, including the creation of complex audio systems - a prerequisite for your project. In the past, I\'ve successfully deployed working WebRTC / LiveKit (or equivalent) audio systems similar to what you require, ensuring optimal audio quality with minimal lag or delay to provide top-notch user experience.\r\n\r\nMoreover, managing VPS servers and handling heavy applications is another area where my proficiency can positively complement this project. I can estimate server size requirements based on your anticipated user load and minimize operational costs for you post-launch. \r\n\r\nChoosing me will not only guarantee timely delivery of two fully-functional Voice Applications but also open up doors for a long-term working relationship. I am responsive, transparent, and focused on delivering high-quality solutions within budgetary constraints.\r\n So why wait? Let\'s get started on building an app that will revolutionize voice experiences in a whole new way!
€200 EUR trong 7 ngày
4,2
4,2
148 freelancer chào giá trung bình €302 EUR cho công việc này

⭐⭐⭐⭐⭐ Dala3 Party Voice App (iOS & Android with Real-Time Audio) ⭐⭐⭐⭐⭐ Hello, How are you? I understand you need two fully functional mobile apps with a high-quality real-time voice system, supporting multiple rooms, VIP events, and scalable performance, all deployed efficiently on a VPS. The goal is to deliver a smooth, low-latency audio experience with strong backend architecture and future scalability. Features: • Cross-platform Apps (iOS & Android – Flutter/React Native) • Real-time Audio System (WebRTC / LiveKit integration) • Voice Rooms, VIP Events & Competitions • User & Conversation Management System • VPS Deployment & Server Optimization • Low-latency Audio & Performance Tuning • Scalable Backend Architecture • Cost Estimation for Server & Audio Usage • Clean Codebase & Future-ready Structure Let’s Chat… Thanks
€420 EUR trong 7 ngày
9,8
9,8

HELLO, I have carefully reviewed your requirement for developing iOS and Android voice applications and clearly understand the full project scope, including real-time audio systems, VPS deployment, and scalability. >>>> Multi languages (English and Germany ) <<<< With 10+ years of experience in mobile app development and real-time communication systems, I can build both applications (frontend + backend) based on your UI designs. I have strong expertise with WebRTC/LiveKit integrations, enabling stable multi-room voice, VIP events, and low-latency communication with optimized audio performance. WORKING FLOW → Requirement analysis & architecture planning → UI integration & mobile app development → WebRTC/LiveKit setup for voice rooms & events → Backend & user management system → VPS deployment with performance optimization → Load testing, cost estimation, and final delivery. I WILL PROVIDE 2 YEAR 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 ensure scalable architecture, efficient server utilization, and smooth real-time performance. I am available for long-term collaboration and ongoing improvements. I eagerly await your positive response. Thanks.
€225 EUR trong 7 ngày
8,4
8,4

⭐⭐⭐⭐⭐ Build Top-Quality iOS & Android Voice Apps for Dala3 Party ❇️ Hi My Friend, I hope you're doing well. I reviewed your project needs and see you are looking for an app developer for your voice app, Dala3 Party. You don't need to search any further; Zohaib is here to help! My team has completed over 50 similar projects for app development. I will build both the iOS and Android apps based on your designs while integrating a high-quality audio system. ➡️ Why Me? I can easily develop your voice app as I have 5 years of experience in mobile app development, focusing on audio systems like WebRTC and LiveKit. My skills include app design, server management, and audio optimization. I also have a strong grip on iOS and Android development, ensuring a seamless user experience. ➡️ Let's have a quick chat to discuss your project in detail and I can show you samples of my previous work. I look forward to chatting with you! ➡️ Skills & Experience: ✅ iOS Development ✅ Android Development ✅ WebRTC Integration ✅ LiveKit Experience ✅ UI Design Implementation ✅ VPS Management ✅ Audio Optimization ✅ User Management Systems ✅ Server Load Estimation ✅ App Deployment ✅ Scalability Solutions ✅ Cost Estimation Waiting for your response! Best Regards, Zohaib
€180 EUR trong 2 ngày
7,7
7,7

VOICE QUALITY DOESN'T BREAK AT ONE ROOM IT BREAKS AT 50 CONCURRENT ROOMS That's the load scenario to architect for from day one. LiveKit self hosted on VPS is the right call full control over audio routing, VIP session isolation, and no per minute SaaS costs that scale against you as users grow. Our build: Flutter iOS + Android from your ready UI designs, no design decisions needed from you LiveKit multi room audio, VIP events, competition rooms, host and user controls Laravel user accounts, room logic, VIP access, event scheduling, admin panel VPS sized for your peak concurrent load before deployment, running cost estimate delivered upfront 12+ years building mobile and real time systems in house. Audio architecture and Flutter owned by one team no WebRTC specialist bolted on after the UI is built. What's your expected peak concurrent user count and how many simultaneous voice rooms at launch? Regards, Haider
€370 EUR trong 10 ngày
7,3
7,3

Hi Dear, We can build a robust and scalable solution using Flutter for cross-platform apps and a powerful backend with WebRTC/LiveKit for real-time audio communication. The system will support multiple voice rooms, user and moderation controls, and event-based features. We will optimize audio quality, reduce latency, and design the architecture to handle concurrent users efficiently. Deployment will be managed on a VPS with proper estimation of server capacity and running costs, ensuring future scalability. A few questions to clarify: ==================== What is your expected number of concurrent users at launch? Do you prefer LiveKit or are you open to other WebRTC-based solutions? Will VIP features include paid access or in-app monetisation? Do you already have backend requirements defined, or should we design the full system architecture? Best Regards, Srashtasoft Team
€225 EUR trong 7 ngày
7,1
7,1

Hello, I am Warda Haider, a skilled Mobile App Developer with expertise in PHP, Android, and iPhone development. I have reviewed your project requirements for developing iOS and Android voice apps, Dala3 Party, based on existing UI designs. I am confident in my ability to meet your needs by building the full applications, integrating a high-quality audio system, deploying on a VPS server, and ensuring optimal performance. My experience with WebRTC and managing VPS servers aligns well with the project requirements. Proposed Steps: 1. Develop the iOS and Android apps based on the provided UI designs. 2. Integrate a robust audio system for multiple voice rooms and VIP events. 3. Optimize audio quality and minimize delays for a seamless user experience. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH I look forward to discussing this project further and exploring how we can collaborate effectively. Best regards, Warda Haider
€230 EUR trong 8 ngày
6,9
6,9

Dear Dala3 Party Team, I’m excited about the opportunity to develop your voice app for both iOS and Android. With extensive experience in creating high-performance applications using WebRTC and similar audio systems, I can ensure that your app meets the required functionality and audio quality you’re looking for. My approach will involve closely analyzing your ready UI designs to develop a seamless front-end and back-end. For audio management, I will implement features such as multiple voice rooms and VIP events, optimizing to minimize lag for the best user experience. I suggest incorporating user feedback in the beta phase to further enhance audio quality and app responsiveness. Previously, I successfully developed a similar application that included event management features, which streamlined user engagement significantly. I estimate a 6-8 week timeline for development and would love to know what specific metrics you envision for expected user loads on the server. Regards, Khurshid Ahmed
€250 EUR trong 1 ngày
6,6
6,6

Hi I can build Dala3 Party as a full iOS and Android voice platform from your ready UI designs, covering both the app layer and the backend/audio infrastructure. My experience includes real-time communication systems, WebRTC and LiveKit style architectures, scalable backend services, VPS deployment, and mobile apps built in Flutter or native stacks. The main technical challenge here is delivering stable multi-room voice, VIP events, and low-latency conversation management on a single VPS without audio degradation as users grow. I would solve that with a clean architecture separating signaling, room management, user/session logic, and media handling, then tune codec, bitrate, and server resources for voice quality and minimal delay. I can also estimate the right VPS size based on expected concurrent users and structure the deployment so future scaling is straightforward rather than requiring a rebuild. On the product side, I can implement user management, room controls, competitions, VIP workflows, moderation logic, and backend APIs that match your existing UI precisely. And I can help you so on by delivering a maintainable voice app system with clear organization, deployment setup, and realistic post-launch running cost guidance. Thanks, Hercules
€300 EUR trong 7 ngày
6,5
6,5

Hi I have read your requirements and I am sure 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
€225 EUR trong 7 ngày
6,6
6,6

Your audio infrastructure will collapse under concurrent room load if you deploy WebRTC on a single VPS without horizontal scaling. I've seen this exact scenario fail at 200 simultaneous users when the server CPU maxes out during peak voice traffic. Before architecting the solution, I need clarity on two things: What's your expected concurrent user count per voice room and across all rooms simultaneously? And are you planning to handle media mixing server-side or push that to clients? This determines whether you need a media server cluster or can optimize with SFU architecture. Here's the architectural approach: - WEBRTC + LIVEKIT: Deploy LiveKit Cloud initially to validate user behavior, then migrate to self-hosted once you hit 500+ DAU. This prevents premature infrastructure costs while maintaining sub-150ms latency. - PHP BACKEND + REST API: Build the user management, room logic, and VIP permissions layer with Laravel. Integrate LiveKit's server SDK for token generation and webhook handling to sync voice events with your database. - NATIVE IOS (SWIFT) + ANDROID (KOTLIN): Use LiveKit's mobile SDKs instead of building custom WebRTC implementations. This cuts development time by 60% and gives you production-tested audio handling with automatic reconnection logic. - VPS OPTIMIZATION: Start with a 4-core/8GB instance running Docker containers for your PHP backend and PostgreSQL. Audio traffic routes through LiveKit's infrastructure until you're processing 10K+ minutes daily - then we discuss dedicated media servers. - COST ESTIMATION: LiveKit Cloud charges $0.004 per participant-minute. If you average 100 concurrent users in 20-minute sessions, expect roughly $240/month. Self-hosted drops this to $150/month in server costs but requires DevOps overhead. I've built 3 voice chat platforms that scaled from beta to 5K concurrent users without rewriting the core architecture. The mistake most teams make is over-engineering infrastructure before validating product-market fit. Let's schedule a 20-minute technical call to walk through your UI designs and discuss failure scenarios like network drops mid-conversation and how VIP room access gets enforced during server restarts.
€210 EUR trong 7 ngày
6,5
6,5

Hello, I understand you need a professional developer to build fully functional iOS and Android apps for Dala3 Party, integrating a high-quality voice system with multiple rooms, VIP events, and real-time user management. I have experience in developing cross-platform apps (Flutter/React Native or native), implementing WebRTC/LiveKit audio systems, and deploying scalable applications on VPS servers. I will develop the front-end according to your UI designs, integrate the audio system with minimal latency, and ensure smooth performance under expected user loads. All components will be organized for scalability, and I will provide a cost estimate for running the audio system post-launch. The apps will be optimized for quality, reliability, and ready for immediate deployment. Thanks, Asif
€300 EUR trong 5 ngày
6,3
6,3

Hello There!!! ★★★★ ( Building high-quality iOS & Android voice apps with real-time audio and scalable VPS deployment ) ★★★★ Project understanding: You need two mobile apps for iOS and Android with ready UI designs, integrating a robust audio system for multiple voice rooms, VIP events, and competitions. The apps must be fully functional, optimized for minimal lag, and deployed on a single VPS with scalable architecture. ⚜ Full app development (Front-End + Back-End) ⚜ WebRTC / LiveKit-based high-quality audio integration ⚜ Multi-room voice chat, VIP events, and competitions ⚜ User and conversation management system ⚜ VPS deployment with server sizing and cost estimation ⚜ Audio optimization for minimal delay and best experience ⚜ Scalable architecture for future growth I have developed several real-time voice and communication apps on iOS and Android, using WebRTC and Flutter/React Native, with smooth VPS deployments and performance optimization. I’ll ensure your app is ready for launch and future expansions. Warm Regards, Farhin B.
€225 EUR trong 15 ngày
6,7
6,7

Hii there, I’m offering a 30 percent discount for this project and would be glad to assist you as a professional iOS & Android developer for your voice app on a long-term basis. With experience in mobile app development and real-time communication features, I can build a reliable, scalable, and high-performance voice application. I will focus on developing smooth voice calling functionality, ensuring low latency, clear audio quality, and stable connections across devices. The app will be designed with a clean, user-friendly interface, optimized for both iOS and Android platforms, and built to handle growth over time. I can also integrate backend services, APIs, and analytics to support ongoing improvements and feature expansion. As a dedicated freelancer, I prioritize attention to detail, clear communication, and long-term collaboration. I am confident that I can contribute consistently to your voice app’s development and success. Kind regards, Sohail Jamil
€150 EUR trong 1 ngày
6,7
6,7

✅ FLUTTER ✅ REACT NATIVE ✅ JAVA /KOTLIN ANDROID ✅ IOS ✨HIGHLY RECOMMENDED✨ ***** NO UPFRONT PAYMENT ***** I can start immediately, Hi My name is Amarjeet Singh. I have read your job ( ). I am full stack developer familiar with backend and frontend both website and mobiles apps. If you're seeking a reliable, experienced developer to bring your app ideas to life, let's connect and discuss how I can contribute to your success. I'm ready for any Interview or want to discuss anything. I am available at your comfort time and start your work... Am always to deliver high-quality work that meets or exceeds my client's expectations. I can help you if you need a reliable and knowledgeable mobile app developer to turn your ideas into reality. Let's achieve your business goals together.
€225 EUR trong 10 ngày
6,0
6,0

Hi, I’d be glad to help develop your Dala3 Party apps for iOS and Android based on your ready UI designs. I have experience building full-stack mobile platforms and working with real-time audio solutions like WebRTC/LiveKit, with focus on voice quality, low latency, and scalable room management. I can handle the complete flow from app development to backend, VPS deployment, server sizing, and post-launch running cost estimation. The system will be structured for stability now and easy scaling later as your user base and events grow. I’m also interested in a long-term collaboration and can support future features, improvements, and maintenance after launch. I’d be happy to discuss the best tech stack and a practical budget approach for your project. Regards, Vijay
€225 EUR trong 7 ngày
6,0
6,0

Hello! This is James from Hollywood, and I'm excited about the opportunity to develop your voice app for both iOS and Android. I've carefully read through your project description and I'm ready to bring my 15 years of experience in mobile app development to this project. I specialize in building robust mobile applications using React Native and Flutter, ensuring they are not only user-friendly but also scalable and efficient. My approach combines technical excellence with a solid understanding of business needs, allowing me to deliver solutions that drive real results. Could you please clarify the following questions to help me better understand the project? 1. What specific features do you envision for the voice app? 2. Are there any design preferences or existing apps you’d like to emulate in terms of functionality? My goal is to create a seamless user experience that meets your vision. I recommend starting with a detailed requirements gathering phase, followed by iterative development cycles to ensure we stay aligned throughout the process. I have successfully completed similar projects, such as developing a cross-platform app for a local fitness center and an interactive e-commerce platform that enhances user engagement. Looking forward to the chance to collaborate and create something amazing together!
€250 EUR trong 4 ngày
5,2
5,2

As a senior iOS and Android developer with 8+ years' experience, your project aligns perfectly with my expertise. My team and I specialize in full-stack development and have worked extensively with audio systems like WebRTC to build multiple voice apps, manage heavy applications, optimize audio quality, and minimize delays. Building on ready UI designs, we’ll ensure that the final product is not only functional but also beautifully designed to exceed your expectations. Moreover, our proficiency extends to efficiently organizing all components of an app and ensuring scalability for future growth—important factors for this long-term project. We've successfully deployed and managed apps on VPS servers, estimating server size as well as the running cost of audio systems based on user load estimation. Our goal is to deliver more than just code - we offer ongoing support, clear communication, reliability and on-time delivery. I would be thrilled to embark on this project journey with you, building two fully functional voice apps for iOS & Android incorporating high-quality audio systems, VIP features, events, competitions—an all-in-one solution efficiently deployed on a single VPS server healthy for launch! Regards
€300 EUR trong 7 ngày
5,3
5,3

Hi, As a individual developer and I can jump into on your suitable time. I can help in your project by building the full Dala3 Party voice platform for iOS and Android from your ready UI designs, including frontend, backend, real-time voice rooms, VIP events, competitions, user management, and deployment on a properly sized VPS with clear cost estimation for scaling. With my expertise in full-stack and mobile development and experience working with modern technologies like Flutter or React Native, Node.js, WebRTC, LiveKit, VPS deployment, real-time communication systems, and audio performance optimization, i can fix this quickly, and I can structure the system to keep latency low, audio quality stable, and future growth manageable from the start. You can expect clear communication, fast turnaround, and a high-quality result that fits seamlessly into your existing workflow with scalable architecture and long-term support in mind. Best regards, Juan
€225 EUR trong 1 ngày
5,3
5,3

With utmost regard for your requirements, I aim to draw on my extensive experience in game development to ensure the successful creation of your iOS and Android voice apps. Having spent over 5 years developing engaging and high-performing applications for Unity, Unreal Engine, Roblox, and AR/VR, I am equipped with the skills necessary to bring your project to life. One key aspect of this endeavor entails integrating a high-quality audio system capable of supporting multiple voice rooms, VIP events, and competitions. My expertise in optimizing audio quality and minimizing delays is essential here; it ensures that users experience nothing but the best voice experience possible. Furthermore, I am proficient in managing VPS servers and deploying heavy applications so that you can worry less about scalability concerns. My robust problem-solving skills ensure that all components are organized efficiently for easy deployment and subsequent management while guaranteeing a low running cost post-development based on expected user numbers. My passion lies in producing high-quality results within set budgets; let's connect to discuss how I can best be of service to you!
€425 EUR trong 14 ngày
5,9
5,9

With over a decade of experience in mobile app development, specializing in both iOS and Android using Flutter and React Native, I am the perfect fit for your long-term project. Specifically, my strong background in building high-quality audio systems using WebRTC or similar technologies aligns perfectly with your requirements for the Dala3 Party voice app. One of my key strengths lies in optimizing audio quality and minimizing delays – vital aspects that you emphasized for providing the best voice experience on your app. This, coupled with my ability to develop apps from ready UI designs, gives me an edge in delivering precisely what you need for Dala3 Party. Additionally, choosing me would not only ensure a high-functioning and scalable voice app but would also give you the possibility of future collaboration for continuous development - guaranteeing consistency in user experience and better handling of unexpected issues even after the initial deployment. Lets Chat
€400 EUR trong 12 ngày
5,3
5,3

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