AI writing assistant for macOS — fix and rewrite text with one shortcut.
By Tanmay Verma, Founder · Last verified 03 Jul 2026
In short
Fixkey — AI writing assistant for macOS — fix and rewrite text with one shortcut. Best for macOS power users who write across many apps (Slack, Gmail, Notes, etc.), Non-native English speakers needing rapid text polishing, Writers and content creators who dictate frequently. Free to start; paid plans from $8/mo.
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Fixkey is a fast, focused AI writing tool for macOS that excels at instant text polishing and dictation. Its system-wide shortcut and 180+ language support make it invaluable for power users, but it lacks a free tier beyond a trial and is macOS-only. If you live in Apple's ecosystem and want to speed up everyday writing, it's a strong buy.
Compare with: Fixkey vs Krisp Voice AI, Fixkey vs Castmagic, Fixkey vs Fellow
Last verified: July 2026
How likely is Fixkey to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Fixkey is a native macOS writing assistant that lets you fix, rewrite, and polish text system-wide with a single keyboard shortcut. Designed for power users who write across many apps, it eliminates the need to copy-paste between tools. The core feature is instant text improvement: select any text in any app (Slack, Gmail, Notes, etc.), press a shortcut, and AI rewrites it with corrected grammar, adjusted tone, or translation. For voice users, Fixkey offers real-time speech-to-text dictation in over 180 languages with automatic formatting and punctuation. It also supports custom AI prompts so you can tailor the output to your personal style. The app is optimized for speed, with sub-200ms response times, and runs as a lightweight native macOS app with minimal memory usage. Unlike cloud-dependent alternatives, Fixkey integrates deeply with macOS and works offline-ready. It's best for writers, developers, and professionals who type or dictate across many apps and want a consistent, keyboard-driven AI layer. Compared to tools like Grammarly or DeepL, Fixkey focuses on speed and system-wide ubiquity rather than deep editing or collaboration features.
Fixkey nails its core promise: press a shortcut, get better text. The system-wide integration is what sets it apart from tools that live in a browser extension or a single app. If you're a macOS user who writes Slack messages, emails, documents, and notes all day — and you value speed over deep editing — Fixkey is a no-regret purchase at $8/mo. The voice dictation works well in 180+ languages, and the custom prompts let you encode your own style. However, if you need collaborative writing, team dashboards, or an admin console, look elsewhere. Also, Windows and Linux users are out of luck. Compared to Grammarly, Fixkey is faster and more universal (works in every app, not just browsers), but Grammarly offers richer grammar explanations and a free tier. Fixkey's free trial is limited; after that, you pay. We'd recommend it for anyone who writes a lot on Mac and wants to reduce friction. Just set up your shortcuts, add a few custom prompts, and you'll wonder how you lived without it.
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