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Protu

Your Proofreading Tutor

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IELTS Writing Correction Tutor

AI Corrections
Easy-to-understand explanations
just like human correction
AI Corrections
Task 1 & Task 2
Practice all IELTS Writing
Task types with real questions
Task 1 & Task 2
History
Correction content
Auto-save & History
History
AI Corrections
Easy-to-understand explanations
just like human correction
AI Corrections
Task 1 & Task 2
Practice all IELTS Writing
Task types with real questions
Task 1 & Task 2
History
Correction content
Auto-save & History
History
AI Corrections
Easy-to-understand explanations
just like human correction
AI Corrections
Task 1 & Task 2
Practice all IELTS Writing
Task types with real questions
Task 1 & Task 2
History
Correction content
Auto-save & History
History
AI Corrections
Easy-to-understand explanations
just like human correction
AI Corrections
Task 1 & Task 2
Practice all IELTS Writing
Task types with real questions
Task 1 & Task 2
History
Correction content
Auto-save & History
History
AI Corrections
Easy-to-understand explanations
just like human correction
AI Corrections
Task 1 & Task 2
Practice all IELTS Writing
Task types with real questions
Task 1 & Task 2
History
Correction content
Auto-save & History
History

Simple Process, Precise Feedback

Select, write, and get corrected. That's it, really!

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Frequently Asked Questions

What is Protu?
Protu is a free AI-powered IELTS Writing correction tool. Write your Academic or General Training Task 1 or Task 2 essay and get an estimated band score plus sentence-level corrections in under thirty seconds, aligned to the four official IELTS criteria.
Is Protu really free?
Yes. The free plan includes daily credits so learners can practice without payment. Pro ($4.99/mo) and Max ($9.99/mo) plans add higher daily limits and longer essays for learners who practice more frequently.
How accurate is AI IELTS band scoring?
Modern AI graders align with certified IELTS examiner scores within 0.5 bands for most essays — both Task 1 reports (150+ words) and Task 2 essays (250–350 words). Accuracy is highest on mid-range band-5 to band-8 writing; extreme-low or examiner-gaming essays are harder to grade reliably.