I Built a $12K/Month Tool to Help English Language Learners

February 16th, 2025
Serhii Baraniuk
Founder, Writing9
$12K
revenue/mo
1
Founders
0
Employees
Writing9
from Barcelona
started July 2018
$12,000
revenue/mo
1
Founders
0
Employees
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Who are you and what business did you start?

Hey, I’m Serhii, a solo founder from Ukraine, and I built Writing9 to help people improve their IELTS Writing skills. Back when I was learning English, I struggled with writing and wished there was a tool that could give real feedback - so I made one.

Writing9 checks essays, points out mistakes, and gives an estimated IELTS band score. It’s like having a personal tutor, but way faster and more affordable. Thousands of people use it every day to get better at writing, whether for study, work, or moving abroad.

It started as a small project, but now it’s helping learners worldwide. Today, we bring in around $12K/month, and it’s growing. I’m proud of that.

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