Whisperer is a private, offline voice-to-text app for macOS. $2.99 lifetime, no subscription. Built for developers: Code Mode lets you dictate camelCase, snake_case, symbols, and casing commands by voice. Per-app profiles auto-switch style chat tone for Slack, email format for Gmail, code mode for VS Code. Hold Fn, speak, release. Text appears at your cursor. Powered by Whisper, 100% on-device. Your voice never leaves your Mac.