Product overview
The pronunciation platform built for teachers
Create assignments, capture recordings, and track CEFR-aligned progress across English, French, and Spanish—with raw audio to verify every score.
Why Stages of Mastery? The difference is clear.
AI-powered pronunciation built for teachers: transparent scoring, CEFR reports, and proof you can share.
Data-driven progress tracking teachers actually use
See growth over time, word mastery, and classwide trends at a glance. Export CEFR-aligned reports that keep admins, caregivers, and students in sync.
AI-powered diagnostic precision
Surface exact phonetic pain points in seconds. Our AI flags “th” slips, vowel drift, and rhythm issues, then recommends the next best action.
- • Phoneme-level analysis of every recording
- • Visual heatmaps show exactly which sounds need work
- • Actionable feedback, not just scores
- • Click any word to hear the student audio
Progress tracking that works
See class-wide phonemic heatmaps, individual progress, and exportable reports for parents and admins.
- • Identify weak sounds across the entire class
- • Student-level growth with CEFR benchmarks
- • Exportable reports for stakeholders
- • Instant filters by class or student
The “Black Box” of audio grading is over
Speed and proof together: raw audio beside the heatmap so you can trust every score.
Hear it. See it. Trust it.
Every attempt comes with clickable raw audio, phoneme heatmaps, and classwide rollups—no more guessing if the score is right.
Don't trust. Verify.
Raw audio sits beside each score; click any word to hear the exact attempt.
Phonemic heatmaps, not black boxes.
Spot class-wide weak sounds instantly—/th/, /r/, vowels, rhythm patterns.
Zero-prep assignments.
Type 5 keywords and get a leveled passage, cloze task, and scoring in seconds.
Built for teachers, students, and schools
Safe & private practice
Students record in a judgment-free space; audio stays private so anxious speakers get reps.
Affordability
Low-overhead model keeps AI pronunciation coaching accessible for every classroom.
Built for EU standards
Hosted in the EU with GDPR at the core for peace of mind.
Pricing preview
Plans for every classroom
Start free and upgrade when you need more classes, deeper insights, and Learning Nuggets.