***NOTICE: IP AGREEMENT, NDA BASED*** I have a clear vision for a Habbo-inspired multiplayer world that runs entirely in the browser. The atmosphere should feel immediately familiar to anyone who loves isometric pixel art lobbies, rooms, and mini-games,...

I need a straightforward, voice-only VoIP application that runs natively on both iOS and Android. The single, non-negotiable goal is crystal-clear voice calling: no video, no chat—just reliable audio communication every time the user hits the call button....

you have to develop a custom API with a JSON response that enables the thermometer to connect with the Bluetooth of any device.

I run a long-term project that involves creating and managing multiple online accounts through an Android-style emulator. Everything is laid out in clear, step-by-step training, so prior experience is unnecessary; what matters is that your hardware can ke...

I’m rolling out a series of customer-support GPTs for several websites and landing pages and I’d like a long-term partner to build, fine-tune, and evolve them with me. Each bot must switch seamlessly between text and voice, handling English, Spanish, Fren...

I need a straightforward, reliable calculator built with Dart + Flutter that runs smoothly on Android and follows Google’s Material Design guidelines. The scope is intentionally simple—think classic four-function math (add, subtract, multiply, divide) wit...

I built my education app two years ago with Flutter. It delivers online tests and lets learners browse course content, but the whole project now sits on an outdated Flutter and Dart stack. Several third-party packages have broken with the current stable r...

Our cross-platform mobile app is already coded in React Native; now it needs to reach users smoothly and error-free. The immediate priorities are: • Publish the current build to Google Play and the Apple App Store, meeting every guideline, versioning rul...

The project is to build a cross-platform (iOS & Android) mobile application that calculates a car’s horsepower and torque in real time by fusing data from the phone’s accelerometer, gyroscope, GPS and any additional sensors required for true accuracy....

I already have my feature set defined and the back-end under control; what I’m missing is a polished, production-ready Flutter UI that renders perfectly on Android devices. I need an expert of flutter UI who can turn my existing 5 pages into clean, respon...

I’m building a modern, sleek mobile application that lets homeowners browse and hire interior designers in the same way fashion lovers use Wishi for personal styling. The essential pillar of the product is a rich catalogue of designer profiles—each profil...

Only bid if you can complete this project within ₹30,000. Please do not waste time otherwise. I already have a status saver app live on the Play Store (built in Kotlin). Currently, it only saves WhatsApp images and videos. I want to upgrade it with the f...

I'm looking for a reliable expert to review, enhance, and maintain my existing app and website, which currently run on both iOS and Android platforms. Key tasks include: - Design enhancements - Performance optimizations - New features implementati...

I’m planning to release a 3D endless-runner for Android that captures the fast, lane-switching vibe of Subway Surfers. The core loop is simple: the player swipes left, right, up, and down to dodge obstacles, collect coins, and trigger power-ups while the...

I need a clean, fully-functional registration form added to my existing Flutter app. The form should capture just three pieces of data—name, email, and a profile photo—then pass them to the current backend endpoint that already handles JSON. Here is wh...

I need a mobile application to be developed for both iOS and Android, with successful deployment and approval on the App Store and Google Play Store. Later, the app should also be integrated with Google AdMob for monetization and approval. The app will b...

I need a straightforward productivity app that runs natively on both iOS and Android. Its single-minded focus is Inventory: a clean interface for adding, viewing, and updating stock items quickly from a phone or tablet. Core scope • Build two fully fun...

I’m assembling a small, Jaffna-based student team to build a brand-new Android application from the ground up in Srilanka . The goal is to give you solid real-world experience while we ship a production-ready app together. What you’ll do • Set up the...

I need a complete mobile solution that lets everyday users recharge mobile numbers, DTH and data cards, settle utility bills for electricity, water and gas, and handle other small digital payments from a single place. The app must run smoothly on both iOS...

I need an Android-only banking app built from scratch. For this first release the scope is intentionally tight: users must be able to sign in, authenticate with fingerprint, and view their real-time account balance. I will supply the RESTful endpoints...