A Grammarly Alternative
That Doesn't Just Fix — It Teaches
Grammarly fixes your writing. NotchTutor fixes your writing and explains why — then tracks the patterns you repeat so you stop needing the fix at all.
Grammarly is genuinely good. Here's where it stops.
We're not going to pretend Grammarly is bad. It's not. But "good at correcting" and "good at teaching" are two different things.
What Grammarly does well
- ✓ Browser extension that works across virtually every web app
- ✓ Broad platform coverage — Windows, Mac, mobile, web
- ✓ Mature product with years of refinement
- ✓ Premium features for advanced style and tone suggestions
- ✓ Widely recognised in professional settings
Where the gap opens up
- → Corrections without explanations — you accept the fix, not the rule
- → No pattern tracking — you can repeat the same mistake indefinitely
- → Cloud-based text processing — your writing goes to Grammarly's servers
- → Dependency grows over time rather than shrinking
- → Aimed at correction, not comprehension
Where NotchTutor goes further
Three concrete differences that matter if your goal is to actually get better at English, not just fix today's draft.
Every correction includes a plain-English explanation
NotchTutor doesn't just highlight the error and offer a replacement. It tells you the rule — in clear, jargon-free language. Not "passive voice detected" but a sentence that explains when passive voice weakens your writing and when it's fine. Over days and weeks, those micro-lessons compound.
Mistake pattern tracking shows you exactly what to fix
The app monitors which errors you make most often and presents them as a pattern report. If you consistently confuse "which" and "that," or routinely write run-on sentences, NotchTutor surfaces it. Your writing history becomes a personalised study guide — something no generic grammar checker can replicate.
Your writing never leaves your Mac
NotchTutor processes everything locally. Unlike cloud-based tools that send your drafts to remote servers for analysis, NotchTutor runs the AI on your device. For professionals handling client communications, confidential projects, or sensitive data, that difference is not minor.
Dig deeper: Why you keep repeating the same grammar mistakes — and how pattern tracking breaks the cycle.
NotchTutor is the right Grammarly alternative if…
Be honest with yourself. If any of these sound familiar, you'll get more value from NotchTutor than from another correction-only tool.
Also exploring options? See our LanguageTool alternative comparison and the full NotchTutor vs Grammarly breakdown .
Works everywhere your writing happens on Mac
No extension required. NotchTutor is a native app — it checks your writing in Mail, Pages, Notion, Slack, and any browser tab automatically.
Email & Mail.app
Slack & Teams
Notion & Docs
Safari & Chrome
Pages & Word
LinkedIn posts
GitHub comments
Any text field
Learn how professionals use it: Email grammar mistakes that hurt your professional image and how to learn from your grammar mistakes .
Frequently asked questions
Is NotchTutor really a Grammarly alternative?
Yes — NotchTutor checks grammar, style, and clarity just like Grammarly. But it goes further: every suggestion includes a plain-English explanation of the rule, and the app tracks your recurring mistake patterns so you improve over time rather than staying dependent on the tool.
Does NotchTutor work on Windows or Linux?
NotchTutor is currently macOS-only. If you need cross-platform coverage or heavy browser integration, Grammarly may be the better fit for now. NotchTutor focuses on delivering a native, private experience on Mac.
What about Grammarly's browser extension?
Grammarly's browser extension is one of its biggest strengths — it works across web-based tools automatically. NotchTutor takes a different approach: a native Mac app that operates system-wide, covering both browser text fields and native apps without extensions.
Does NotchTutor collect my data like Grammarly?
No. NotchTutor processes all text locally on your Mac and collects zero data. Grammarly, by contrast, transmits your text to its cloud servers for processing and uses data for product improvement. For privacy-sensitive writing, NotchTutor is the clear choice.
Which is better for learning English — NotchTutor or Grammarly?
NotchTutor is specifically designed for learning. It explains the reasoning behind every fix and surfaces patterns in your mistakes. Grammarly's focus is on real-time correction and writing assistance rather than building lasting grammar skills.
Try the Grammarly alternative that teaches
Free for macOS. No account required. Your writing stays on your Mac. Start improving — not just correcting.
Download NotchTutor Free