PaletteBrain vs Shortwave Comparison

PaletteBrain is a ChatGPT app for macOS that works in any app through a keyboard shortcut using selected text as context. It supports custom AI commands and your own OpenAI key, with a one-time lifetime license.

Shortwave is an email client built around an AI agent. It organizes the inbox, writes and searches emails, schedules meetings and connects to tools such as Slack, Calendar, Notion and HubSpot.

USD29 - USD29 / one-time

USD30 - USD120 / month

• ✓ Works in any app through a keyboard shortcut, using the selected text as context.
• ✓ Supports custom AI commands alongside built-in grammar, translation and summary options.

• ✓ Applies AI filters written in plain English and flags important emails and to-dos.
• ✓ Runs on iOS, Android, Mac and Windows, with integrations for Slack, Notion and HubSpot.

• ✗ Listed as a macOS app only, with no other operating systems mentioned.