Show HN: An open-source app for IELTS preparation (github.com)

BandReady has launched an innovative open-source application for IELTS exam preparation that operates offline on users' own machines. This tool features a live AI voice examiner for real-time speaking practice, authentic exam questions, and detailed scoring with band-descriptor criteria. Users maintain full control over their data, as all essays, recordings, and scores are stored locally unless opted into cloud services. With the flexibility to choose AI models—local or cloud—this app emphasizes privacy and personalization, making it distinct from typical exam preparation tools. The significance of BandReady lies in its comprehensive approach to exam readiness, combining features such as longitudinal progress tracking, timed practice sessions, and detailed feedback on performance—all backed by real-time voice interaction technology. Built using Electron and Python, it supports various exercise modalities and provides adaptive learning paths based on user performance. Additionally, the app’s architecture allows for customization with multiple language models and text-to-speech options, making it a versatile resource for both Academic and General Training IELTS candidates. Overall, BandReady represents a meaningful step forward in leveraging AI/ML technologies for educational purposes, poised to transform test preparation experiences.