See exactly how and why your language skills are improving
Upload lesson transcripts and get evidence-based CEFR progress analytics. Understand what improved, why, and what to focus on next.
What we measure
Six linguistic signal categories, each with explainable CEFR levels and transcript evidence.
Vocabulary Analysis
Unique lemmas, frequency distribution, topic coverage across 12+ categories.
Grammar Complexity
Tense variety, clause depth, subordination ratio with plain-language explanations.
Fluency Markers
Utterance length, filler ratio, self-correction rate quantified and explained.
Accuracy Tracking
Errors per 100 words, categorized by type (tense, agreement, article).
Discourse Skills
Discourse markers, hedging, opinion elaboration scored and contextualized.
Longitudinal Progress
CEFR trajectory over time with milestone bands and evidence-backed scores.
Simple, transparent pricing
Choose the plan that fits your needs
Starter
For individuals getting started with language learning analytics
- 3 transcript uploads (lifetime)
- Full signal extraction across 6 linguistic categories
- CEFR classification with plain-language explainability
- Sub-skill breakdown (vocabulary, grammar, fluency, accuracy, discourse)
- 1 learner profile
- In-browser improvement report
- Sample transcript demo
Pro
For L&D managers and serious language learners
- Unlimited transcript uploads
- Complete longitudinal progress dashboard
- CEFR milestone bands on all charts
- AI-generated improvement narrative report
- PDF export of reports
- Up to 50 learner profiles
- Cohort overview table with sparklines
- Priority support