The AI Grammar Tutor That Turns Every Mistake Into a Lesson
Work with an AI partner that turns corrections into understanding. The NotchTutor app helps you get personalized explanations, recognize patterns in your writing, and improve with every sentence you write.
Better understanding,
better writing
Get corrections that make sense. The NotchTutor app helps you understand why changes matter, recognize your writing patterns, and build confidence with every edit.
Smart Grammar Correction with Explanations
See why every correction matters. Get clear explanations that help you understand the rule, not just fix the mistake.
Pattern Analysis and Personal Learning Plans
Discover what you repeat. We identify recurring mistakes and create a personalized learning path that addresses your specific needs.
Speak-to-Learn: Dictation + Analysis
Say what you mean. Dictate your thoughts and get real-time grammar feedback that improves both your written and spoken English.
Built-in Flashcards
Turn mistakes into mastery. Automatically generated flashcards from your errors become active learning opportunities you can review anytime.
Keyboard Shortcuts for Power Users
Work faster, write smarter. Navigate corrections, explanations, and flashcards with intuitive shortcuts built for efficient workflows.
No Data Collection. No Tracking.
Your writing stays yours. Nothing is stored on our side. No tracking, no advertising, no data collection.
How It Works
Be perfectly clear and confident in your writing. Get corrections that teach, patterns that reveal, and confidence that grows.
Write Naturally
Type or dictate your text in any app. The NotchTutor app works seamlessly on macOS, analyzing your writing as you work.
Understand Corrections
See why every suggestion matters. Get clear explanations that help you understand the grammar rule, not just apply the fix.
Learn from Patterns
Discover what you repeat. We identify recurring mistakes and create personalized learning plans that address your specific needs.
Build Confidence
Watch your writing improve. Review flashcards, track your progress, and build confidence through active learning, not passive correction.
Why NotchTutor Instead of Grammarly?
Both tools correct grammar. One helps you understand why.
Grammarly
Fixes your mistakes. Corrects errors in real time. Works in the cloud. Tracks your writing patterns to improve suggestions.
Philosophy: Fix it once.
NotchTutor
Explains why corrections matter. Shows you patterns in your mistakes. Creates personalized learning plans. Privacy-first approach with no data storage or tracking.
Philosophy: Help you understand and grow.
If you want to improve your writing over time, understand grammar rules, and maintain complete privacy, NotchTutor is designed for you.
Trusted by professionals who write
Join professionals, students, and creators who choose NotchTutor to understand their writing, not just fix it.
"As a legal professional, I wanted more than spellcheck. NotchTutor showed me patterns I didn't even know I had—like overusing passive voice. The explanations help me understand why certain constructions work better, and the privacy-first approach means I can use it with sensitive documents."
"English is my second language, and NotchTutor has been transformative. Instead of just fixing my mistakes, it teaches me the rules. The flashcards from my errors have become my study guide. I feel more confident writing academic papers now."
"I write constantly for my blog and social media. NotchTutor catches things Grammarly misses, but more importantly, it helps me learn. I've noticed I make fewer mistakes over time because I actually understand the grammar now. Plus, everything stays on my Mac—no cloud, no tracking."
Great writing gets work done
Work smarter with an AI writing partner that helps you understand grammar, recognize patterns, and improve with every sentence you write. The NotchTutor app is your intelligent writing companion.
Your data stays yours. No tracking. No collection. No storage.