Meet Carl — your AI language companion. Practice real conversations, get instant corrections, and level up every day. Built on neuroscience.
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Hey! Tell me about your favourite place to visit. Where do you love going?
Carl • 9:41
I love going to Istanbul. Its a beautiful city.
Great choice! Small tip: use it's (it is) instead of its. ✨
Smart correction
Grammar correction • +5 XP • Added to your weak spots
iMessage
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Carl adapts in real-time. Make a grammar mistake? He catches it instantly, explains why, and remembers it for next time.
That's a great story! Just one thing — you wrote "goed". The past tense of "go" is "went". Irregular verbs are tricky! 😊
💡 Pattern Detected
You've made 3 irregular verb mistakes this week. Added to your review list!
Look up any word in 10+ languages. See CEFR level, hear pronunciation, and save to your personal vocabulary with one tap.
/ɪˈfem.ər.əl/
Lasting for a very short time
🇹🇷 geçici, kısa ömürlü
IELTS and TOEFL reading sections with authentic-format passages, strict timers, and AI analysis of every mistake.
Passage 1 of 3
📊 AI Feedback
Estimated Band: 7.0 — Focus on inference questions to reach 7.5+
Your vocabulary grows from real context — dictionary lookups, chat corrections, and lessons. Review with flashcards and challenges.
Mastery Progress
72%
38 words
10 mastered
Get IELTS/TOEFL-style scoring, line-by-line feedback, and a clear next-step plan — so every essay improves your band.
Estimated Band
Words
268
Task
6
Coherence
7
Lexical
6
Grammar
6
Avoid informal phrasing like “a lot of”. Use “many”.
✅ Next-step plan
Choose a situation (doctor, interview, café). Get smart prompts, helpful hints, and instant corrections while you talk.
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Ordering at a Café
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Job Interview
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+25 XP
Hotel Check-in
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At the Doctor
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+25 XP
Hello! What brings you here today? Are you feeling unwell or just checking in?
💡 Hint
Describe your symptoms clearly (when it started, how it feels).




🧬 Named after Carl Wernicke, the neuroscientist who discovered the brain's language comprehension area.
Carl isn't a chatbot. He's your personal language partner who remembers your mistakes, celebrates your wins, and creates conversations tailored just for you.
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