Real-time lesson generationUnique | β
Generated instantly based on learner's needs and mistakes | β Fixed lesson scripts | β Fixed lesson scripts | β Pre-set prompts only |
Personalization by profession | β
Customized for 20+ fields (e.g., travel, IT, education) | β Not supported | β οΈ Limited topics | β οΈ Limited customization |
Dynamic difficulty adjustment | β
Automatically adjusts level after each lesson | β οΈ Static difficulty | β
Fixed by level tier | β οΈ Limited; slow adaptation |
Sentence-level feedback with correctionsUnique | β
Errors are explained with corrected examples | β οΈ Pronunciation feedback only | β οΈ Only right/wrong indicators | β οΈ Some basic explanations |
Comprehensive speaking analysis | β
Covers pronunciation, grammar, vocabulary, and intonation | β Pronunciation only | β Not supported | β Limited feedback |
Detailed progress tracking | β
Error charts, trends, and skill-specific insights | β οΈ Basic progress stats | β
Basic level tracking | β οΈ Progress by level, not by skill |
Error-based practice generationUnique | β
Auto-generates extra exercises based on individual errors | β Not available | β Not available | β Not available |
Focused skill training (e.g., grammar, reflex) | β
Isolated training for key skills like reflex, grammar, pronunciation | β οΈ Limited to pronunciation | β οΈ Limited to grammar | β οΈ Limited or behind paywalls |
Interactive exercise variety | β
Includes dialogues, roleplay, and sentence corrections | β οΈ Mostly repetition of words | β
Mostly multiple choice | β οΈ Some use AI conversations, limited interactivity |
Auto-generated flashcards from lessonsUnique | β
Vocabulary is extracted dynamically from each lesson | β Not supported | β Not available | β No direct integration |
Contextual vocabulary in real conversations | β
Tied directly to real-time dialogue | β οΈ Limited context | β
Basic context | β οΈ Some thematic context only |
Referral reward programUnique | β
Rewards for inviting friends | β Not available | β Not available | β Not available |
Cross-device sync | β
Fully supported across devices | β
Basic sync | β
Basic sync | β
Varies |