AI Language Tutor: CorrectorAi

Umber Lab Limited

In-app purchases

About this app

Speak English fluently — or Spanish, Japanese and 6 more languages. Corrector AI is your personal AI language tutor for real speaking practice: answer questions out loud, get instant grammar correction with red/green highlights, and polish your pronunciation with word-by-word accuracy scores.

Speak it. Get corrected. Say it better.

Unlike passive language learning apps that only ask you to tap, type and read, Corrector AI trains you to SPEAK. Short daily speaking sessions build real conversational confidence for work, travel, school and everyday life.

🗣️ SPEAK 9 LANGUAGES

Practice speaking and improve your pronunciation in:

✓ English (US) 🇺🇸
✓ Spanish (Español) 🇪🇸
✓ French (Français) 🇫🇷
✓ Japanese (日本語) 🇯🇵
✓ Korean (한국어) 🇰🇷
✓ German (Deutsch) 🇩🇪
✓ Italian (Italiano) 🇮🇹
✓ Arabic (العربية) 🇸🇦
✓ Russian (Русский) 🇷🇺

Switch languages anytime with a single tap!

🎯 HOW IT WORKS — YOUR DAILY CONVERSATION LOOP





Your AI tutor asks a realistic conversation question in your target language



Hold the mic and answer in your own words



See instant visual corrections — grammar mistakes and natural wording, word by word



Repeat the corrected sentence in the pronunciation booth for an instant accuracy score



The AI keeps the conversation going with smart follow-up questions

⚡ FEATURES BUILT FOR FLUENCY

✓ Real-time grammar checker — word-by-word feedback after every spoken sentence. Learn to say it like a native speaker.
✓ Pronunciation coach with IPA — accuracy scores, visual IPA guides and clear audio playback.
✓ Tap-to-translate dictionary — tap any word for its meaning, translation, phonetic pronunciation and usage examples.
✓ Smart flashcards (SM-2 spaced repetition) — your vocabulary and grammar mistakes become a personal review deck, scheduled right before you forget.
✓ Conversation history — jump back into any past session to continue or review corrections.

💼 PRACTICE FOR YOUR GOALS

✓ Job interview preparation — rehearse answers out loud and perfect professional wording
✓ Business English — sound natural in meetings, emails and presentations
✓ Speaking test prep — build vocabulary and quick thinking for IELTS-style speaking exams
✓ Travel small talk — chat naturally with native speakers
✓ Overcome speaking anxiety — a patient, non-judgmental AI tutor, anytime

⭐ WHY CORRECTOR AI

Learners who speak daily improve faster than those who only study grammar books. Corrector AI gives you a safe space to make mistakes, get corrected instantly and try again — the fastest loop from "I understand it" to "I can say it."

Stop studying. Start speaking. Download Corrector AI and have your first real conversation today!

What’s new

Pronunciation practice is simpler.

• Practice right from the feedback card
• Use the same hold-to-speak mic
• Stay in your conversation flow