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✓ Pros

• Native speaker corrections — Real humans review your writing and speaking exercises. This isn't a forum where you might get feedback; it's built into the learning flow. The social contract works because you correct others' exercises in your native language
• AI Conversations — Premium Plus feature that generates dynamic dialogues based on your level and recent lessons. The AI adjusts complexity in real time and provides grammar and pronunciation correction
• CEFR-aligned curriculum — Official CEFR certificates upon course completion (recognized by some employers and universities). Clear A1→B2 progression for all 12+ languages
• Mistake Repair — AI identifies patterns in your errors and creates targeted review sessions. If you keep mixing up ser and estar, it builds exercises specifically around that distinction