What are the limitations of Caret?

Mac only, with a requirement of macOS 26 or newer, which excludes older systems and other platforms. Always-on screen reading raises privacy concerns for sensitive work, and the homepage does not explain data handling. Pricing, free trial and plan limits are not stated on the homepage.

Caret

Name: Caret
Author: Caret

Tab-to-complete for every app on your Mac, powered by screen context

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Screenshot of Caret, Tab-to-complete for every app on your Mac, powered by screen context

What is Caret?

Caret is a Mac app that adds Tab-to-complete to any application. It reads the screen, builds memories over time, and finishes messages, emails and other text in the user's own voice. It requires macOS 26 or later.

Caret is a macOS utility that brings tab-to-complete writing to the whole desktop instead of a single editor. It watches what is on screen, builds up memories from that activity, and offers to finish the sentence or message being typed when the user presses Tab. The suggestion is meant to match the user's own voice and to take the surrounding context into account, so a reply drafted in a mail client or chat window reflects what is actually visible in that conversation. The product is aimed at people who write all day across many different apps: professionals answering email and Slack threads, people juggling messages, notes and documents, and developers who move between editors and terminals. Rather than opening a separate chat window and pasting text back and forth, Caret appears inside whichever app is in front. The homepage lists a long roster of supported surfaces, including Mail, Messages, Slack, Notion, Google Docs, Microsoft Word and Excel, Safari, Chrome, Xcode, Cursor and VS Code, which illustrates the system-wide approach. In practice the tool runs in the background and is described as always on. It reads the screen, stores memories, and is said to improve the longer someone works with it. A demo on the page shows a guest viewing an Airbnb listing and being asked about early check-in, with Caret ready to complete the reply using details from the listing. A second example completes an email about a tight flight connection. Caret sits in the space between inline autocomplete tools such as code completion in editors and general chat assistants. Its distinguishing idea is breadth: one keystroke, any application, with context drawn from the screen. That breadth also means it needs broad access to what is displayed, which is worth weighing for anyone handling sensitive material. It requires macOS 26 or later and is distributed as a download for the Mac. Pricing and plan details are not stated on the homepage.

How do you use Caret?

1Check your Mac version
Confirm the Mac is running macOS 26 or later, since the download is listed for that release and above.
2Download Caret
Use the Download button on the homepage to get the Mac app and install it as usual.
3Grant the access it asks for
Because Caret reads what is on screen, allow the system permissions it requests so it can see the context around your typing.
4Start writing in any app
Open Mail, Messages, Slack, Notes or a document and begin a sentence. Caret runs in the background and offers a continuation.
5Press Tab to accept
Hit Tab to finish the thought with the suggested text, then keep working so Caret builds memories and adapts to your style.

Pros and cons

Pros

Works across the whole Mac rather than inside one editor or a separate chat windowAI
Uses on-screen context so completions can reflect the conversation or page being viewedAI
Single Tab keystroke keeps the interaction fast and low-frictionAI
Aims to match the user's own writing voice and improve with continued useAI
Wide list of named supported apps, from Mail and Slack to Xcode and CursorAI

Cons

Mac only, with a requirement of macOS 26 or newer, which excludes older systems and other platformsAI
Always-on screen reading raises privacy concerns for sensitive work, and the homepage does not explain data handlingAI
Pricing, free trial and plan limits are not stated on the homepageAI
No documentation, integrations page or support channels are visible from the homepageAI
Quality of completions and how memory works in practice cannot be verified from the marketing pageAI

How much does Caret cost?

Integrations

Works inside a long list of Mac apps shown on the homepage, including Mail, Messages, Slack, Notion, Google Docs, Word, Excel, Safari, Chrome, Xcode, Cursor, VS Code, Figma and Linear.

Features

System-wide Tab-to-complete on Mac, always-on screen reading, memories that build over time, completions in the user's voice with full context, and presence in any app rather than a standalone chat interface.

Frequently asked questions about Caret

How do you use Caret?
The walkthrough on this page covers 5 steps: 1. Check your Mac version 2. Download Caret 3. Grant the access it asks for 4. Start writing in any app 5. Press Tab to accept.
What platforms does Caret support?
Caret is available on MacOS.
What does Caret integrate with?
Works inside a long list of Mac apps shown on the homepage, including Mail, Messages, Slack, Notion, Google Docs, Word, Excel, Safari, Chrome, Xcode, Cursor, VS Code, Figma and Linear.
What are the limitations of Caret?
Mac only, with a requirement of macOS 26 or newer, which excludes older systems and other platforms. Always-on screen reading raises privacy concerns for sensitive work, and the homepage does not explain data handling. Pricing, free trial and plan limits are not stated on the homepage.