Offline Mobile Call Translator App

Title Offline Mobile Call Translator with Display & Recording Description We are seeking a freelance developer to build a mobile application that enables real‑time voice translation during phone calls. The program must operate without internet or external connections, ensuring full offline functionality. Core Requirements: Offline speech recognition & translation Embedded language models stored locally on the device. High‑quality, low‑latency translation between two languages. On‑call text display overlay Translated words appear live on the phone screen during the call. Adjustable font size and language settings. Conversation recording Record both original audio and translated transcript. Secure local storage with encryption. Export options (e.g., transcript as PDF or encrypted file). Preferred Skills: Mobile app development (Android/iOS). Experience with offline speech recognition (e.g., CMU Sphinx, Kaldi, Vosk, or similar). Knowledge of embedded translation models. Strong focus on privacy and security. Deliverables: Prototype app capable of recording a phone call and generating a transcript. Extension to include offline translation between two languages. Display overlay showing translated text during the call. Documentation + demo video. Engagement: Initial trial task (prototype module). Full project awarded upon successful completion. NDA required before project details are shared. Seeking a freelancer from the Philippines for English fluency, cost and client's familiarity with the country