Grammar checking that respects your privacy
Your writing assistant that never leaves your Mac. Powered by local AI models with zero data collection.
v1.0
macOS 14+
Full-featured 7-day free trial
Privacy first, always
Your writing stays on your Mac
Unlike cloud-based tools, Refine processes everything locally using advanced AI models.
- Zero Data Collection.
- Your documents never leave your Mac. No servers, no tracking, no privacy concerns.
- Lightning Fast.
- Local processing means instant results without internet dependency or delays.
- Always Available.
- Works offline, on flights, in coffee shops, anywhere you write.
Works everywhere you write
Seamlessly integrates with all your favorite Mac applications. No setup required – just start writing and get grammar suggestions.
And many more applications across macOS
Simple, honest pricing
Own it forever. No subscriptions, no hidden fees.
One-Time License
One-time purchase for major version updates and support.
What’s included
- AI-powered writing refinement
- Lightning-fast local processing
- Works offline anywhere
- 3 devices per license
Pay once, own it forever
$30$15USD
Try it before you buy! Download the free trial version to see if it fits your needs.
Frequently asked questions
Can’t find the answer you’re looking for? Feel free to sent us an email at support@refine.sh
- Is my data truly private?
- Yes, absolutely. Your documents, text, and writing never leave your Mac. We don't collect, store, or transmit any of your personal content. All processing happens locally using offline large language models (LLMs) that run directly on your machine.
- What apps does it work with?
- Works with most macOS apps including Mail, Messages, Safari, Chrome, Pages, Word, Slack, Notion, and many more.
- What about system requirements?
- Requires macOS 14.0 or later. Works with both Apple Silicon (M1, M2, etc.) and Intel-based Macs
- Is there a free trial?
- We offer a 7-day free trial with full access to all features. No credit card required. Just download the app and start using it.
- Is there a educational discount?
- Yes! We offer a 50% discount for students and educators. Just write us an email with your current student/teacher/institution email.
Ready to protect your privacy while improving your writing?
v1.0
macOS 14+
Full-featured 7-day free trial