Android Chat & Voice App

@jastp

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 now earned 'Expertise' level in AI, ChatGpt and a couple of other AI platforms for App development and other Chatbot 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

@infowider11

***** Android MVP Dialog App with Voice, Text, and Animated Avatar (Open-Source Stack)***** Hello; How are you? I checked your JD and you need an Android-only MVP that validates text and voice dialog with a backend, using a predefined animated avatar, built fully on open-source technologies and designed for future upgrades. The app will include registration/login, one-time avatar selection, and a main dialog screen with chat history, text input, microphone input, and avatar playback. Local Speech-to-Text and Text-to-Speech will be implemented using system APIs, with language handling based on device settings and token-secured backend communication. Let’s chat… Thanks

@AwaisChaudhry

Hello, I understand you need an Android Chat & Voice App with strong chat, speech input/output, and smooth device support. I will build a clean, scalable app with real-time text chat, native speech-to-text, and text-to-speech, plus offline messaging and secure sign-in. The work will follow a modular architecture: clear UI components, a lean backend interface, robust data handling, and a focus on performance and privacy. I’ll align with your attached doc, confirm milestones, and deliver a test plan covering usability, reliability, and accessibility. Do you prefer Firebase real-time chat or a custom backend/WebSocket? Should offline messaging be supported with local caching and background sync? What is the minimum Android API level and target devices to cover? Which languages for voice input/output, and any privacy/compliance constraints? What authentication and data security standards should we enforce (OAuth, JWT, encryption)? Which backend stack do you prefer for real-time chat (Firebase or a custom WebSocket) to align with your roadmap? Best regards,

@corpmember29

I’VE BUILT REAL-TIME ANDROID CHAT & VOICE APPS WITH LOW-LATENCY MESSAGING AND SCALABLE BACKENDS — READY TO DELIVER A SOLID MVP. Hello, I can develop a secure, high-performance Android Chat & Voice application focused on real-time communication, reliability, and clean architecture. Core Features Real-time text chat (1-to-1 & group) Voice calling / voice notes with low latency User authentication & profiles Online/offline presence, read receipts Push notifications (messages & calls) Message history sync across devices Secure media handling and storage Technical Approach Android: Kotlin (MVVM, Coroutines) Realtime: WebRTC (voice), Firebase / Socket-based messaging Backend: Scalable APIs with JWT auth Notifications: Firebase Cloud Messaging (FCM) Security: Encrypted communication, secure auth flows Experience Android apps with real-time chat, voice, and notifications Strong background in performance optimization and scalable messaging systems Clean, maintainable codebases ready for future features (video, AI, moderation) Delivery Production-ready Android app Backend integration & documentation Clean handover with full source code Post-launch support available Happy to discuss exact scope (chat only vs chat + calls, group size, backend preference) and provide a timeline and cost estimate.

@diektech

Hi, This is Elias from Miami. I checked the attached requirement and I understand the MVP goal is to validate the core dialog experience between an end user and your backend server, supporting both text and voice input, combined with a multimedia avatar that plays mandatory predefined animations. This isn’t about advanced lip-sync yet — it’s about getting the conversation loop working smoothly (speech → backend → response → avatar animation), with an architecture that can later upgrade into richer animation and real-time sync. I can build this with a clean modular setup: voice/text capture, backend dialog API integration, an avatar layer that triggers predefined animation states, and a scalable structure for future enhancements. Additionally, I have a few questions: -Q1 Do you already have the backend dialog API ready, or should the MVP include a simple placeholder server for testing? -Q2 What avatar format are you using (2D video, Unity model, Live2D, WebGL), and how are animations triggered (state machine, timeline clips)? -Q3 Should voice input be real-time streaming, or is “record → send → response” enough for the MVP stage? Looking forward to hearing from you. Regards.

@XanvraTECH

Hello Ariel, I am excited to express my interest in your project for developing an Android Chat & Voice App. I have a strong background in Mobile App Development, particularly in Android App Development, which makes me confident in my ability to meet your project requirements. Based on the project description provided, I understand the need for a seamless chat and voice app on the Android platform. My expertise in this field equips me to deliver a high-quality solution that meets your expectations. I propose to follow a structured approach to design and develop the app, ensuring a user-friendly interface and smooth functionality. You can review my previous work in the - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH section. I look forward to discussing this project further with you. Best regards, Warda Haider

@OutsourceMan

⭐⭐⭐⭐⭐ Thank you for sharing the project details. I have reviewed the requirements outlined in the attached document and understand the need for a robust mobile application with Android development and voice assistance device integration. CnELIndia, led by Raman Ladhani, can support you end to end in successfully delivering this project. We will begin with a detailed requirement analysis to align functionality, user flows, and voice interaction use cases. Our team will then design a scalable Android architecture, ensuring seamless voice assistant integration, performance, and security. Development will follow agile milestones with regular updates and demos, while rigorous testing will ensure reliability across devices. Post-deployment, we provide support, optimization, and enhancements to ensure long-term success. With proven expertise in mobile app development and voice-enabled solutions, CnELIndia and Raman Ladhani will ensure timely delivery, technical excellence, and a smooth collaboration throughout the project lifecycle.

@mrresearcher99

Hi there, I’ve reviewed your Android app requirements and would love to collaborate on your project. With 5+ years of experience in native Android development, I specialize in building high-performance, user-friendly apps with clean UI, optimized architecture (MVVM/MVI), and seamless API integration. I’ll start with a clear project roadmap, provide regular progress updates, and ensure the app is thoroughly tested for stability and performance before launch. Let’s connect to discuss your app idea in detail — I’m ready to bring your vision to life! Best, Bhargav Android Developer | Kotlin & Java Expert

@mobiappsoftware

Hello, I will develop your VOCIE AND CHAT MOBILE APPLICATION for Android platforms with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks

@kamran2012

Hello, I will build your Android MVP “Mobile Dialog App” from scratch in a simple and clean way, exactly as described in your spec . I can deliver the three screens (Registration/Login, one time Avatar Selection, and Main Dialog) with secure token storage, and backend API integration where every request includes the auth token and the device language . On the dialog screen, I will implement text chat plus voice input using local system Speech to Text, and server replies shown as text and spoken using on device Text to Speech, while the avatar plays predefined state animations like idle, loading, and speaking (no lip sync in MVP, but built so it can be added later) . I will use only open source libraries, and deliver a working build for Android 13+ and Google TV, with full source code and clear build instructions, following the milestone plan in the document . Looking forward to discussing further. Regards, Kamran.

@WpWooPhp

Hi, I can help you build this MVP Mobile Dialog App for Android exactly as per your specs. I’ve previously developed a chat app with family tree features, including user auth, real-time messaging, avatar selection, and voice/text interactions—so I’m very comfortable with this flow. The app will use only open-source libraries, support Android 13+ (including Google TV), and follow your three-screen structure: Registration/Login, one-time Avatar Selection, and Main Dialog Screen. I’ll implement secure token storage, device-language-based STT/TTS (local system APIs), state-based avatar animations (idle, speaking, loading), and future-proof architecture for easy lip-sync upgrade later. Development will strictly follow your milestones with clear deliverables: full source code, build instructions, and a tested binary that matches the delivered code. As I’m among the top 1% freelancers here, you can expect high-quality work and excellent communication throughout. One question: Could you share the predefined avatar assets (file formats, number of animations, etc.) so I can plan the integration properly? Thanks, Ravi Singh

@ciss26

Hello, I hope you are doing well. I understand that you are looking to build a CHAT AND VOICE MOBILE APPLICATION and I would be happy to help. I have extensive experience in designing and developing Application and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.

@ixorawebmob

Hello, I’ve gone through your project details regarding the Android Chat & Voice App, and this is something I can definitely help you with. With over 10 years of experience in mobile app development, I specialize in creating high-performance applications that focus on clean architecture and scalability. I have worked extensively with Android technologies and voice assistance integration, ensuring smooth communication and user engagement. I will first review the detailed requirements mentioned in the provided document and suggest the best technical approach tailored to your needs. Throughout the development process, I will keep you informed to ensure a seamless experience. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m genuinely interested in your project and would love to clarify a few details to ensure the best approach. Could you clarify if there are specific third-party services or APIs you plan to integrate with the app? Let’s discuss over chat! Regards, Arpit Jaiswal

@gtssoftindia

Please initiate the chat so we can thoroughly discuss the requirements for the app, prior to the start. Happy to provide the final budget in chat. You will get a one-stop solution from my end as, throughout my 5+ years of freelancing Android/iOS App development career, I have created plenty of Mobile applications. I ensure to give the best quality app with good performance and responsive attractive UI and I have provided the clients with excellent results. I have expertise in Swift, React Native, Node.js, React.js, Angular, Laravel, and PHP. I am equipped to develop apps using these languages in all industries Pharmaceutical, Travel, Media & Entertainment etc. I also handle backend integrations for third-party collaborations on your systems. well versed in Mobile App Development in-App-Purchases, User Authentication, User Profile Creation, Location, Chat and Messaging, Map Integration, Payments, Social Media Account Integration, and many more to show. Have considerable knowledge of Android ANT SDK, BLE, Google Cast SDK, ads SDK, offerwall SDK and Titanium. I use libraries such as Sherlock Action Bar, OpenGL, Media Framework, and WebKit to build IoT integration app solutions. I am always interested in making long term professional relationships with my clients to ensure that every project becomes successful. So, if you hire me, I can assure you that you will not regret your decision. Best Regards Tejash J.

@rbtech1984

Hi There!!! ⚜⭐⭐⭐⭐⚜(( Android Chat & Voice App MVP with Smooth Communication Flow ))⚜⭐⭐⭐⭐⚜ I see you need an Android app that handles both chat and voice interactions, delivering a seamless messaging experience. The focus is on creating a reliable MVP aligned with your technical specifications. I have extensive experience developing Android apps with real-time messaging, voice input/output integration, and clean UI/UX. I emphasize modular code, maintainable architecture, and quick turnaround for MVP delivery. Three key features: 1. Real-time chat with responsive UI 2. Voice messaging and voice assistant integration 3. Secure and optimized data handling for smooth performance I can deliver a functional MVP efficiently, ensuring the app is stable, user-friendly, and ready for testing. Warm Regards, Farhin B.

@MohammedSabih

Hi, You’re building an Android chat & voice app MVP, and you need a team that can translate detailed specs into a stable, real-world product. That’s exactly what Talvon Technologies does. With 7+ years of experience delivering real-time communication apps, we focus on clean architecture, performance, and reliability from day one. What we’ll deliver: ⭐ Android MVP built strictly to your technical specification ⭐ Real-time chat and voice features with stable connection handling ⭐ Secure authentication and user management ⭐ Clean, well-documented codebase ready for future expansion ⭐ Thorough testing to ensure smooth chat and voice performance ⭐ Clear handoff and setup guidance for next phases We work methodically, communicate clearly, and take full ownership of delivery—no guesswork, no shortcuts. If you’re ready to move from specification to a working Android MVP with confidence, let’s review the document and align on milestones.

@Riasatali78

I’m an experienced Android developer skilled in real-time chat and voice integration using WebRTC, Twilio, or Agora. I can implement secure, multimedia-ready chat and voice features with clean, maintainable Kotlin code and full source delivery.

@poojatdsl

Hello, I can build the Android MVP dialog application exactly as specified, with a clean, open-source–only stack, a stable dialog loop (text + voice), and an architecture that supports future avatar and animation upgrades without rework. This is a focused MVP, and I would treat it as such: validate the core dialog experience, keep the implementation simple and reliable, and avoid unnecessary complexity while leaving room for future enhancement. My Approach • Follow the provided technical specification strictly • Use only open-source and system-provided Android APIs • Keep the architecture modular so avatar logic, dialog logic, and networking are clearly separated • Deliver a stable, testable MVP suitable for validation, not experimentation • Document decisions so future expansion (advanced avatar animation, lip-sync) is straightforward Questions 1. Do you already have the backend API endpoints finalized? 2. Preferred Android minimum SDK version? 3. Should chat history persist across sessions or only per session? 4. Any constraints on avatar rendering technology (e.g., 2D vs 3D engine)? Thanks & Regards Dipanshu ***||Expert Full-Stack Developer||***

@avinashjain09

Hello, I have checked the attached pdf file. I am okay with all the requirements that you have mentioned for Android app. Do you have any reference app. I am available to start the work immediately. Can we have more discussion. Regards Avinash