Apps similar to Grammarian PRO3 include LanguageTool, which is open source but paid. Harper and Grammit are free. Other options are Grammarly, Refine, Hemingway Editor and Compose. You're spoiled for choice with Grammar Checkers like Grammarian PRO3: we list more than 50 alternatives for the web, Mac, Windows, iPhone and Linux.
Prafero is an all-in-one website intelligence platform for auditing any site in one place. It analyzes SEO, performance, security, DNS, and tech stack signals, then turns them into clear insights so founders, marketers, developers, and agencies can make faster website decisions.
AI-powered grammar correction tool using fine-tuned language models to fix grammatical errors in text.
Türkiye
A background assistant that removes the stress of spelling and grammar. Built for accessibility, designed to stay out of your way.
Denmark
EU
Private Mac writing assistant that reads screen context to draft replies, complete sentences, correct grammar, and rephrase text in your tone. Suggestions work across apps and websites, support 36 languages, and can be accepted with Tab.
United States
A focused Chrome extension for professionals who want grammar correction without AI rewriting. It works in text fields across websites, flags and fixes grammatical errors, and preserves the writer’s original wording, tone, and voice instead of adding tone coaching or generated text.
Kazakhstan
Scramble is an open-source Chrome extension that leverages AI to enhance your writing directly in your browser. It's designed to be a more customizable and privacy-respecting alternative to Grammarly.
United Kingdom
FranceEU
WordWand is a system-wide AI assistant for macOS that works in any app through a single keyboard shortcut. No copy-pasting, no tab switching — just select text, press a hotkey, and transform it instantly.
ItalyEU
The free, open-source, on-device Grammarly alternative for macOS. Spelling, grammar, tone checks and rewrites in Slack, Notes, Mail & Zoom — powered by Apple Intelligence, your text never leaves your Mac.
India
PerfectIt is an MS Word add-in that helps you proofread your documents. It finds difficult-to-locate errors, improves your text, and saves you valuable time. PerfectIt works with US, UK, Canadian, Australian and all other international types of English.
United Kingdom
Grammar Checker is an advanced proofreading tool that identifies grammar and spelling errors, delivers clear explanations, and offers practical suggestions.
China
