AI feedback on grammar, fluency & naturalness.

Speechly is an AI-powered speech feedback tool designed to help language learners improve their spoken English through real-time analysis. It focuses on three core dimensions of spoken language: grammar accuracy, fluency (smoothness and pacing), and naturalness (idiomatic phrasing and native-like expression). Unlike traditional language apps that emphasize vocabulary drills or scripted exercises, Speechly enables users to speak freely on any topic and receive objective, actionable feedback on their actual speech patterns.
The tool targets intermediate to advanced English learners who aim to communicate with greater confidence and authenticity in professional, academic, or social settings. It is especially valuable for individuals preparing for interviews, presentations, or daily conversational use where sounding natural matters as much as grammatical correctness.
Speechly operates in a four-step workflow. First, the user records themselves speaking naturally about any topic for up to two minutes. Second, the platform transcribes the audio in real time using automatic speech recognition (ASR), then applies linguistic analysis models to assess grammar, fluency, and naturalness against native-speaker benchmarks. Third, users receive structured feedback highlighting specific errors or suboptimal phrasings, along with native-like alternatives and explanations. Finally, selected corrections are converted into SRS flashcards, scheduled for review based on evidence-based memory retention principles to reinforce learning over time.
The system does not rely on pre-recorded prompts or multiple-choice responses; instead, it analyzes spontaneous, unscripted speech. Its precision is reported at 99.8% for transcription and linguistic classification tasks, though this figure reflects internal benchmarking under controlled conditions.
Speechly supports practical, high-stakes speaking scenarios such as job interviews, academic discussions, customer-facing roles, and language proficiency test preparation (e.g., TOEFL, IELTS speaking sections). Educators can use it for formative assessment of oral production skills, while self-directed learners benefit from consistent, scalable feedback outside classroom hours. Because it runs entirely in-browser with end-to-end encryption, it ensures data privacy and eliminates friction associated with app downloads or account setup. Its focus on natural phrasing—rather than isolated pronunciation—makes it distinct from conventional pronunciation trainers and better aligned with communicative language teaching methodologies.