Story of LangSolution AI - English Learning Success with Sherlen

🚀 The Story Behind LangSolution AI:
How I Revolutionized TOEFL Speaking

The Spark of Inspiration

As a language instructor, I saw my students struggle with slow feedback on their TOEFL Speaking practice. They would submit responses and wait hours or even days for my evaluation. By the time they received my comments, the momentum was lost, and they often couldn’t remember how they had spoken.

I knew something had to change.

01. What if students didn’t have to wait?

02. What if they could correct their mistakes while still in the learning process?

02. What if they could see exactly where they went wrong and fix it instantly?

That’s when I realized: no AI platform in the market could provide the level of detail my students needed. So, I set out to create something completely new—a tool that would deliver instant, high-quality feedback beyond what standard AI evaluations could offer.

I designed LangSolution AI to keep everything in one place, removing the need to switch between tools for a smoother, more efficient experience.

And just like that, LangSolution AI was born..

Building the Vision: From Idea to Reality

I didn’t want just another AI evaluation tool like ChatGPT. I needed something that could think like an expert tutor, provide step-by-step guidance, and give students a clear path to improvement. For months, my team and I trained LangSolution AI using thousands of real student responses.

📌 I and my team taught LangSolution AI with my teaching method every single day, making sure it was always improving with the expertise I gained from 8 years of TOEFL teaching experience and the best strategies for Speaking.

📌 Each night, we reviewed every AI-generated correction, adjusting algorithms to make it smarter and more accurate.

📌 Each morning, we tested a new iteration—a little better than the day before.

The process was long, filled with trial, error, and relentless testing—but with each small breakthrough, LangSolution AI became a game-changer.

Game-Changing Innovations: Mira Speech & The Shadowing Method

🔹 Mira Speech Technology

🎙️ – Our proprietary speech-recognition engine detects real-time pronunciation mistakes and instantly provides corrections, so students never practice errors unknowingly.

🔹 The Shadowing Method

🔄 – Students listen to a perfect TOEFL response, shadow it, and receive immediate feedback on pronunciation, fluency, and clarity. This is how real fluency is built!

The Moment Everything Changed

When our first prototype was ready, I invited students to try it.
Maria, one of my students, submitted a response.

Here is the result

LangSolution AI was a game-changer for my TOEFL Speaking!

The instant AI feedback on my grammar and pronunciation, combined with Sherlen’s expert coaching, helped me refine my responses and boost my fluency. The structured sprint system kept me accountable, and the targeted strategies made all the difference. Thanks to LangSolution AI, I finally scored 26 in Speaking! I highly recommend it to anyone serious about achieving their target score.”
– Maria P.

The AI instantly highlighted Maria’s grammar mistakes in yellow and green, allowing her to see both her original response with the grammar mistakes and a corrected version without any errors.

Next, AI showed the pronunciation mistakes in pink. Mira detected her pronunciation mistake on “architecture” and immediately played the correct pronunciation. She tried again with Mira Speech, which shows the correct sounds and her mistakes, and this time—she got it right! Then she started to shadow the model response sentence by sentence to improve her fluency.

LangSolution AI provided precise, task-specific evaluation for Maria’s Task 1, 2, 3, and 4 responses. She received detailed feedback on topic development, which accounts for 50% of the score, evaluated by the human rater.

Instead of waiting days for her review, she corrected her mistakes in real time and saw an improved version of her own response—showing her exactly how to structure her ideas better.

She also received Sherlen’s final feedback each week.

That’s when I knew—we weren’t just creating a tool. We were changing the way students learn.

📌 Everything You Need

Unlike other platforms where you have to jump between tools, LangSolution AI brings everything together on a single page:

Grammar Corrections – Fix errors instantly with AI feedback.

Topic Development Feedback – See an improved version of your response, rewritten for clarity and coherence.

Pronunciation Training – Mira Speech detects errors and corrects them immediately.

Shadowing Practice – Listen, repeat, and refine until fluency becomes natural.

💡 **With LangSolution AI, students don’t have to wait. Everything they need is right in front of them, ready to be improved—right now.

🚀 Real Results: Faster Progress Than Ever Before

Since launching LangSolution AI, I’ve seen my students improve faster than ever before.

📈 Fluency and confidence skyrocketing in weeks instead of months.

📈 Fewer repeated mistakes thanks to instant feedback and corrections.

📈 Higher TOEFL Speaking scores—because students now know exactly what to fix.

📈 Stronger Automaticity—students develop natural, effortless speaking skills through AI-powered guided practice, making their responses smoother and more natural.

Warning

But here’s the truth: LangSolution AI doesn’t do the work for you.

✔️ If you ignore the feedback, you won’t improve.

✔️ If you don’t engage in the corrections, your fluency won’t grow.

✔️ BUT—if you follow the system, use the feedback, and apply the corrections, your progress will be faster than you ever imagined.

🌟 Ready to Experience LangSolution AI?

I built LangSolution AI because I believe in smarter, more effective learning.

This isn’t just another AI tool—it’s an entire learning system designed to get students to TOEFL Speaking 26+ in the fastest, most efficient way possible.

🚀 Are you ready to transform your speaking skills?

🔹 Click below to try LangSolution AI today and start improving right now!

📩 Have questions? Contact us here to learn more!

🚀 The Story Behind LangSolution AI: How I Revolutionized TOEFL Speaking