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I need a reliable Android developer who can build a real-time voice chat application centred on group conversations. The core requirement is smooth, low-latency audio so several participants can talk at once without echoes or long delays. Because the app revolves around groups, I also need a solid set of admin controls: the room creator should be able to mute or remove users, lock a room, and assign co-moderators. A simple dashboard or in-room toolbar is fine as long as the workflow is intuitive. We can start with this focused feature set—group voice channels plus admin moderation—and keep the codebase modular so we can layer in extras like private messages, file sharing, or end-to-end encryption later if the roadmap calls for it. Preferred stack • Native Android (Kotlin or Java) using WebRTC, Agora, or a comparable real-time audio SDK • Lightweight back-end (Firebase, Node, or another cloud service) for user auth and room state Deliverables - APK and Play-Store-ready bundle - Full source code with README covering build steps, third-party services, and admin feature implementation - Brief test report showing successful multi-device group calls and all moderation actions working If you have shipped similar voice or VoIP apps before, let me know; a short demo video or link helps me gauge audio quality. Looking forward to collaborating and getting this live.
Project ID: 40396082
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223 freelancers are bidding on average €1,207 EUR for this job

Greetings from Logictrix! My name is Jas, and I am looking forward to discuss about your app in details over the Chat or Call. We have enough app developers available in team so I can assure you to deliver this project at a fairly low cost with great quality and with a commitment for long term support. *** We have earned 'Expertise' level in AI development and 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
€1,100 EUR in 20 days
9.7
9.7

Being an experienced and versatile mobile app developer, I'm your perfect match for the Android Group Voice Chat App project. My profound expertise in Android development, proficiency with Java and Kotlin will ensure robust performance on your app. I've not only built native Android apps but also have hands-on experience with cross-platform frameworks like React Native and Flutter, giving me a comprehensive perspective towards tackling any assignment. Your emphasis on low-latency audio and smooth group conversations aligns perfectly with my adeptness in Audio Processing -- a skill set that has allowed me to create flawlessly working VoIP applications before. I've also utilized WebRTC and other real-time audio SDKs extensively in various projects, enabling me to optimize voice chat features for maximum quality, especially in group settings. Furthermore, my strengths extend beyond front-end development. As a full-service IT company, we have a robust team proficient in Node.js, Firebase, and other cloud services vital to the back-end development associated with your project.
€1,500 EUR in 20 days
9.2
9.2

With over a decade of experience in mobile app development, specializing in native Android applications, I understand the importance of building a reliable real-time voice chat application for group conversations. The core requirement of smooth, low-latency audio with effective admin controls aligns perfectly with my background in high-complexity systems. My experience in handling projects with over 1 million users showcases my ability to deliver robust solutions that can scale seamlessly to meet your needs. For your Android Group Voice Chat App, a strategic insight would be to leverage real-time audio SDKs like WebRTC or Agora to ensure optimal audio quality and low latency for multiple participants. In a similar project, I successfully implemented admin moderation controls to enhance user experience and maintain room integrity. I am confident in my ability to deliver the APK and Play-Store-ready bundle with fully documented source code and successful multi-device group call testing. Let's discuss how we can bring your project to life and achieve your goals efficiently.
€1,200 EUR in 20 days
8.3
8.3

Hi, This is Elias from Miami. I checked your project description and understand you’re looking to build a real-time voice chat application for Android that focuses on group interactions. I’ve worked on several similar platforms and understand the key technical challenges involved. To ensure we’re aligned, I’d love to discuss a few details about your project. How do you envision user roles within the app? – Are there specific integrations you need with existing systems? – What level of scalability do you expect for the app as user numbers grow? I believe my team and I can deliver a robust solution that meets your needs. Looking forward to hearing from you.
€1,200 EUR in 6 days
8.2
8.2

Hello!! " Android Group Voice Chat App "I have similar kind of expertise and work experience. I am having more then 10+ years of experienced in programming and i believe that i can start working step by step and achieve the project goal in short time frame. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL ASSIST YOU FROM ZERO TO PUBLISHING ON STORES. successfully implement this project from start-to-finish. Let's come together and create a platform that not only propels your business but also stands out prominently within the marketplace. Awaiting for your positive response. Thanks Christina >>>>>>> We'll share our portfolio in Chat. Let's talk further speak over the freelancer call or chat. <<<<<<
€1,000 EUR in 7 days
8.4
8.4

Hello, I have read your requirement to build a real-time group voice chat Android app, and I can do that. I have 8 years of experience in mobile app development with backend integrations and have worked on real-time communication features, including audio/video calling and scalable mobile applications. For a project like this, I’d recommend native Android in Kotlin with WebRTC or Agora for low-latency, high-quality group voice communication, combined with Firebase or Node.js for authentication, room management, moderator controls, and real-time state sync. The app can be structured with a modular architecture so features like private messaging, file sharing, and end-to-end encryption can be added later without major rewrites. I can build smooth multi-user voice channels with focus on low latency, echo handling, room moderation controls like mute, remove users, lock rooms, co-host roles, and an intuitive in-room admin interface. I’d be happy to discuss the architecture, SDK choice between WebRTC and Agora based on your budget/scalability goals, and show how I’d approach this.
€1,300 EUR in 28 days
8.0
8.0

As someone whose passion has revolved around software development for the past decade, I am confident in my ability to deliver your Android Group Voice Chat App with exceptional quality. My proficiency in Android, Java and Kotlin combined with my experience working with WebRTC and Node.js make me an excellent fit for this project. Also, as a member of a large software development team, collaboration and communication across projects is one of our inherent strengths, contributing to smooth project execution. Not only do I have a profound understanding of the preferred tech stack - which is crucial for ensuring a low-latency, echo-free audio experience - but I also pride myself on being detail-oriented and focused on creating highly intuitive workflows. This makes implementing key admin controls such as room muting, removal, and assigning co-moderators a task that is well within my capabilities. Moreover, I understand the significance of keeping the codebase modular, giving you the flexibility to add extras like private messages or encryption later.
€1,500 EUR in 7 days
7.5
7.5

Hi, the clean way to build this is around one shared room-state and audio-session flow, not separate call and admin features. A real user path would be: creator opens a room -> participants join -> audio streams stay low-latency across the group -> creator or co-moderator mutes, removes, or locks the room -> those moderation changes update instantly for everyone without breaking the session. That is the part that has to feel stable if the app is going to be trusted for live group conversation. These apps often look complete, but fail when audio transport, room membership, and moderation state are handled separately. One real issue is a moderator action appearing to succeed in the UI while the removed or muted user still has active audio due to stale room state or reconnect behavior, so I would handle it by centering everything on one authoritative room and participant model tied to the audio session lifecycle. The part to get right early is the room-state and moderation architecture, because that controls both usability and real-time reliability.
€1,125 EUR in 7 days
7.1
7.1

Hi I can build a low-latency Android group voice chat app with stable multi-user audio and intuitive moderation controls. The main technical challenge is maintaining clear, echo-free audio across multiple participants while handling room state and admin actions in real time. I’ll solve this using WebRTC or Agora SDK with optimized audio codecs, echo cancellation, jitter buffering, and adaptive bitrate for consistent call quality. The app will support group voice rooms with controls for muting users, removing participants, locking rooms, and assigning co-moderators. I can implement a lightweight backend using Firebase or Node.js for authentication, room management, and real-time state syncing. The codebase will be modular to allow future features like messaging, file sharing, or encryption. I have experience with VoIP apps, real-time systems, Kotlin Android development, and scalable backend integration. Final delivery will include APK/AAB, full source code, README, and test validation. Thanks, Hercules
€1,500 EUR in 7 days
6.6
6.6

Hi, We can build your real-time group voice chat app with a strong focus on low-latency audio and clean moderation controls. As a full-stack development team, we’ve worked on real-time applications and backend systems, and can deliver a scalable voice solution using WebRTC or Agora, paired with a lightweight backend. We will: Develop the Android app (Kotlin) with smooth, low-latency group voice channels Implement admin controls (mute, remove users, lock rooms, assign co-hosts) Build a simple, intuitive in-room moderation interface Set up backend (Firebase or Node.js) for authentication and room state management Ensure stable multi-user performance with minimal echo and delay The codebase will be modular, allowing easy expansion into features like messaging, file sharing, or encryption later. We’ll deliver a Play Store–ready build, full source code with documentation, and tested multi-device group call functionality. We’re ready to get started and can share relevant real-time system experience on request. Regards Interconnect Team
€1,125 EUR in 7 days
6.8
6.8

Hello, I will build your Android group voice chat app — real-time audio channels, room admin controls (mute, kick, lock, co-moderator assignment), and a Play-Store-ready bundle with full source code. For the audio layer, I will use Agora over raw WebRTC — it handles echo cancellation, noise suppression, and adaptive bitrate out of the box, which matters when multiple participants speak simultaneously. I will architect the room state on Firebase Realtime Database so moderator actions like muting propagate instantly to all clients without polling. Questions: 1) Do you have an Agora account already, or should I factor their free-tier limits into the initial build? 2) What is your target minimum Android API level — this affects codec and permissions handling? Send me a message and we can go over the details. Best regards, Kamran
€1,334 EUR in 25 days
7.4
7.4

Hi there, I have read your project requirement. You need a real-time Android voice chat application focused on group conversations, with low-latency audio, multi-user participation, and strong in-room moderation controls such as mute, remove, lock room, and co-host management. We will build a high-performance voice system using technologies like WebRTC or Agora to ensure minimal latency and stable multi-user audio. The app will include robust room management, intuitive admin controls, and a scalable backend (Firebase/Node.js) for authentication and room state handling. The architecture will be modular so future features like messaging or encryption can be added easily. Before proceeding, I have a few questions: ================================== Do you prefer using WebRTC (self-hosted, more control) or Agora (managed service, faster deployment)? What is your expected maximum number of users per voice room (e.g., 10, 50, 100+)? Should moderation actions (mute/remove) be temporary or persistent across sessions? Do you require recording of voice rooms or only live communication for now? Best Regards, Srashtasoft Team
€1,325 EUR in 11 days
7.1
7.1

Hello I will be able to help you in your voice Chat App. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise 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
€900 EUR in 30 days
6.6
6.6

Hello There!!! ★★★★ ( Build low-latency Android group voice chat with admin moderation controls ) ★★★★ Project understanding: You need a real-time Android voice chat app for group conversations with low latency audio, plus strong in-room admin controls like mute, kick, lock rooms, and moderator roles. The system should be scalable and ready for future features. ⚜ Native Android app (Kotlin/Java) development ⚜ WebRTC / Agora integration for real-time audio ⚜ Group voice rooms with low-latency streaming ⚜ Admin controls (mute, remove, lock, roles) ⚜ Lightweight backend (Firebase/Node) for auth & rooms ⚜ Scalable architecture for future features ⚜ APK + Play Store ready build & documentation I have 7+ years experiance in Android + real-time communication apps, including WebRTC based voice/video systems and chat platforms. I understand audio sync, echo handling and stable group streaming. My approach is clean modular design with focus on audio quality and scalability from day one. Let’s connect and discuss SDK choice and timeline. Warm Regards, Farhin B.
€756 EUR in 10 days
6.6
6.6

Hey, i will build a real-time Android voice chat app with smooth low-latency group audio allowing multiple users to talk seamlessly along with full admin controls like mute, remove, room lock, and co moderator roles Professionally, I will use Kotlin with WebRTC or Agora, integrate Firebase or Node backend for auth and room management, ensure clean modular code for future features, and deliver APK, Play Store bundle, source code, and tested multi-device performance Do you prefer WebRTC or Agora for the audio engine, or should I recommend the best based on scalability and cost? Portfolio: https://www.freelancer.pk/u/zainalitariq245 Let’s build a smooth and scalable voice platform together - I’m ready to start right away Best Regards- Zain Ali
€1,000 EUR in 21 days
6.4
6.4

With over a decade of experience delivering high-quality software, I have the skills and expertise to bring your vision for an Android Group Voice Chat App to life. I've successfully built and managed numerous native Android applications, including VoIP projects, demonstrating my deep understanding of audio transmission and low-latency communication. I'm particularly adept at leveraging cutting-edge technologies like WebRTC or Agora to ensure smooth group voice conversations free from any echoes or long delays. Moreover, my proficiency with Node.js and cloud services like Firebase makes me well-positioned for implementing robust user authentication and room state management as required by your project. Your project's focus on modularity aligns perfectly with my development style that prioritizes extensibility. So rest assured that the codebase will be structured in a way that allows seamless integration of future features like private messages, file sharing, or end-to-end encryption when necessary. I am eager to collaborate with you on this project and leverage my versatile skills to provide you with an APK and Play-Store-ready bundle as well as comprehensive documentation for your team’s future use. Let's connect and get this live together!
€1,500 EUR in 30 days
6.4
6.4

With my over 14 years of experience in mobile app development, predominantly using React Native and Flutter, I am well-equipped to handle your Android voice chat project seamlessly. On top of that, I have extensive knowledge and experience with real-time audio-based apps which fits remarkably well with your current requirements. My expertise with WebRTC and Agora will ensure the high performance and low-latency audio you need for smooth group chat functions. Moreover, as an architect of several scalable platforms, I perceive the importance of efficient systems for user auth and room state maintenance. With this awareness in mind, I propose incorporating Firebase or Node.js as a lightweight backend into your project. This will ensure smooth processing for admin controls like muting users, removing them from groups, locking rooms, and managing co-moderators - all essential features you've outlined. Finally, trust that your project will be delivered professionally and comprehensively by me. In addition to eventually producing a Play-Store ready application and its source code, I'll provide detailed documentation on build steps and third-party services employed via README file. Additionally, I am more than eager to demonstrate my capability through sharing a short demo video prior to us confirming the project. Let's work together; let's make this happen for you!
€1,125 EUR in 7 days
6.1
6.1

⭐⭐⭐⭐⭐ Create a Real-Time Voice Chat App for Group Conversations ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for a reliable Android developer for a voice chat application. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for voice chat applications. I will ensure smooth, low-latency audio and robust admin controls to meet your needs. ➡️ Why Me? I can easily build your real-time voice chat app as I have 5 years of experience in Android development, focusing on audio applications, user authentication, and real-time communication. My expertise includes using WebRTC and Firebase for seamless functionality. Besides, I have a strong grip on Kotlin and Java for native Android development. ➡️ 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: ✅ Android Development ✅ Kotlin Programming ✅ Java Programming ✅ WebRTC Implementation ✅ Agora SDK ✅ Firebase Backend ✅ User Authentication ✅ Group Voice Channels ✅ Admin Controls ✅ UI/UX Design ✅ Multi-device Testing ✅ Code Modularity Waiting for your response! Best Regards, Zohaib
€900 EUR in 2 days
6.3
6.3

Hello there, I am excited about the opportunity to work on your project that requires a skilled Android developer to create a real-time voice chat application focused on group conversations. I am confident in my ability to deliver a solution with smooth, low-latency audio and robust admin controls for efficient group management. By utilizing a preferred stack of Native Android with WebRTC or Agora, coupled with a lightweight back-end solution, I am ready to provide you with high-quality deliverables including the APK, source code, and a detailed test report. Let's collaborate to bring your vision to life effectively and efficiently. Regards, Yogesh Kumar
€950 EUR in 10 days
5.7
5.7

Hi, I understand you need an Android app focused on group voice rooms with clear, low latency audio, stable multi user conversations, and practical moderation tools for room owners. The main goal is to deliver a reliable first version that makes voice quality and admin control the priority while keeping the codebase ready for future features like private chat, file sharing, or stronger security. I would build the app natively in Kotlin using a proven real time audio stack such as WebRTC or Agora, with a lightweight backend for authentication, room state, moderator roles, and room actions. The app would support group voice channels, room creation, mute and remove controls, room locking, and co moderator assignment through a simple and intuitive interface. I would keep the architecture modular so more communication features can be added later without major rework. Before delivery, I would run multi device testing for audio quality, latency, reconnect behavior, and room stability, then verify all moderation actions including mute, remove, lock, and role changes. I would also confirm the APK and release bundle build correctly and provide clean source code with a clear README. Best, Justin
€1,125 EUR in 7 days
5.9
5.9

Groningen, Saudi Arabia
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