Overview

Lyra is a Mac writing assistant that rewrites messages to sound more polished while preserving your authentic voice. It works directly inside any app you can type in—Mail, Slack, Teams, Notion, WhatsApp, Discord, GitHub, and 50+ others—via macOS Accessibility permissions, offering an improved version of your text with a single keystroke. All rewriting runs fully on-device using locally-hosted models (Qwen3-1.7B or Gemma 3, depending on available RAM), so no data ever leaves your Mac. Lyra learns your communication style across different contexts and adapts its rewrites per recipient, and supports 50+ languages.

Pricing: Free: 500 rewrites/month | Pro: $9.99/month or $99/year

Minimum macOS: 14.0 (Sonoma)

Architecture: Apple Silicon

Key Features

Rewrites text in any Mac app via a single keystroke, using macOS Accessibility permissions
Works in Mail, Slack, Teams, Notion, WhatsApp, Discord, GitHub, and 50+ other apps
Fully on-device processing with local models (Qwen3-1.7B or Gemma 3 based on available RAM)
No data ever leaves the Mac; fully offline-capable
Learns communication style and adapts rewrites per recipient
Supports 50+ languages
Free tier includes 500 rewrites per month
No credit card required for the free trial