Cotypist.

Cotypist

Cotypist is a privacy-first smart autocomplete tool that runs entirely on your Apple Silicon Mac, helping you write faster and more fluently in any application. By learning your unique voice and vocabulary, it predicts your next words in real-time so you can cut typing by up to 50% without ever leaving your creative flow.

Product Highlights

• Local-First AI Processing: All predictions happen on your Mac, not in the cloud, ensuring complete privacy and offline functionality
• Universal Mac Integration: Works seamlessly across Apple Mail, Slack, Notion, Obsidian, browsers, and virtually any Mac text field with zero per-app setup
• Adaptive Personalization: The more you write, the better it learns your vocabulary, names, phrasing patterns, and writing style
• Frictionless Workflow: Suggestions appear inline as you type; press Tab to accept or keep typing to ignore—no prompting, waiting, or context switching
• Accessibility-Focused Design: Supports non-native English writers, dyslexic typists, one-handed users, people with hand arthritis, and Neural implant wearers
• Smart Error Correction: Spots typos in real-time and offers inline fixes without disruptive pop-ups or red underlines

Use Cases

• Email & Communication: Zip through your inbox and craft thoughtful replies in half the time, whether for work or personal correspondence
• Content Creation & Social Media: Post more consistently in your authentic voice without the blank-page struggle
• Technical Writing & Documentation: Speed through repetitive documentation, code comments, and structured content
• Customer Support: Reduce response time per ticket while maintaining quality and personalization
• AI Prompt Engineering: Type faster, more precise prompts for ChatGPT, Claude, and coding agents
• Creative Writing: Maintain narrative momentum by eliminating the friction between thought and text

Target Audience

Cotypist is designed for Mac users who write frequently—professionals, creators, support teams, developers, and anyone who values speed without sacrificing their authentic voice. It particularly resonates with privacy-conscious users, accessibility needs, and those frustrated by cloud-based AI tools that disrupt workflow and require constant prompting.