What happened to ChatTab?

discontinued The URL on file (https://chattab.app/) did not respond across three consecutive checks; the streak completed on 2026-09-23.

The address on file matched ChatTab's own domain with high confidence, so this observation is reported about ChatTab directly. See the methodology for how the match is made.

The vendor's own description, unedited:
ChatTab is a native Mac software that provides instant access to ChatGPT, allowing users to engage in conversations with experts from different fields using prompts. Similar to Apple's Spotlight, ChatTab can be accessed using a hotkey from any Mac app, displaying a floating window above the current application. The tool offers features to enhance the ChatGPT experience, including a unique UI design with multiple tabs for switching between different message conversations. It also provides shortcut keys for quickly displaying the message dialog window. ChatTab integrates with iCloud, allowing prompts to be synced across devices.Privacy and security are emphasized, with no data being stored or logs tracked by ChatTab. The API key is stored securely in Apple's keychain and not shared with anyone. Prompts are stored locally and in Apple's iCloud, ensuring user privacy.ChatTab supports multiple languages, with English as its main language. As the user base grows, the tool intends to adapt to more languages to cater to global users.ChatTab offers three pricing plans, including a free option with limitations, a Pro plan for $19.99 (one-time payment) that includes multiple tabs and iCloud sync, and a Max plan for $39.99 (one-time payment) with additional features and support for up to three Mac devices.The tool also provides a FAQ section to answer common queries, and users can download ChatTab from the website.