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Tech riderRev. 10 Oct 2026

Refine

Ch 706.8of 88Grammar checkers
  1. 1Runs onMac
  2. 2CostsFree plan · paid from $38/mo
  3. 3Desktop appYes
  4. 4Style suggestionsYes
  5. 5Languages supported36
5 lines stated Written from the maker's own pages: refine.sh
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The Refine homepage

Overview

Refine is ranked #70 of 88 in grammar checkers on Specifiction, made by Refine (Canada). It runs on macOS. There is a free plan. Paid plans start at $38/mo.

Refine plans and pricing

All plans
Free Free Core grammar checking · Limited advanced features · Occasional reminders · No account or credit card refine.sh · 10 Oct 2026
Lifetime $38/mo Paid once for lifetime access 1 device refine.sh · 21 Sept 2026
Lifetime (1 device) $38 once Paid once All features unlocked · All future updates · Use on 1 device · No extra token fees refine.sh · 10 Oct 2026

Compared on grammar checkers

Free plan
Yesrefine.sh
Desktop app
Yesrefine.sh
Style suggestions
Yesrefine.sh
Languages supported
36refine.sh

Facts

Purpose
Refine is an offline AI grammar checker for Mac apps.refine.sh · 10 Oct 2026
Features
It offers grammar and fluency checks, explanations for fixes, rewriting, translation, read-aloud, snippets, and custom prompts.refine.sh · 10 Oct 2026
Languages
Refine supports 36 languages and 59 varieties.refine.sh · 10 Oct 2026
Integrations
The site lists plugins for Obsidian, Neovim, Sublime Text, and PopClip, and says Refine works in most Mac apps.refine.sh · 10 Oct 2026
Privacy
With a local model selected, Refine processes writing on the Mac; if using a cloud AI service with a personal API key, text goes directly to that service.refine.sh · 10 Oct 2026
Offline use
After a one-time model download, grammar checks, rewrites, and translations run on the Mac without an internet connection.refine.sh · 10 Oct 2026
API keys
Users can connect their own API keys; the site says requests go directly to the provider and keys are stored in macOS Keychain.refine.sh · 10 Oct 2026
System requirements
Refine requires macOS 14 or later; the site says an Apple Silicon Mac with 16GB memory runs the local model comfortably.refine.sh · 10 Oct 2026
Support
The site directs users to email [email protected] and offers a full refund within 30 days of purchase.refine.sh · 10 Oct 2026
Windows and Linux
Windows and Linux versions are on a waitlist, with no availability timeline stated.refine.sh · 10 Oct 2026
License limit
The displayed $38 lifetime license covers one device; the site also mentions multi-device licenses without displaying their price in the opened page.refine.sh · 10 Oct 2026
Maker
The site identifies Runju Huang as an indie developer behind Refine.refine.sh · 10 Oct 2026

Company

Founded
2025refine.sh · 28 Sept 2026
Headquarters
Canadarefine.sh · 28 Sept 2026

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Where it ranks on Specifiction

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Sources