Crux
Crux is a local-first AI personal assistant that runs across your desktop, files, apps, and workflows, offering overlay and live-assist modes while keeping chats, files, and context stored locally on your machine.
Crux is ai agents software teams evaluate for business operations. Use this page to review pricing, integration signals, and the best alternatives before you commit.
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Quick Overview
Best for: Business Operations
What it does
AI Agents software for decision-makers comparing workflow fit and alternatives.
Best fit
Business Operations
Pricing snapshot
Free from $10, one time
Next step
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Crux
Crux is presented as a personal AI assistant designed to operate across a user's desktop, files, applications, and workflows. It emphasizes a local-first privacy model — "your chats, files, and context stay local to you" — and delivers assistance via an overlay that can be summoned anywhere. The product targets individuals who want an always-available assistant for tasks such as file analysis, coding edits, report generation, inbox and messaging integration, and UI reviews, and is offered as downloadable beta apps for Mac (Apple silicon) and Windows.
Crux is an AI personal assistant that works across your desktop, files, and apps while keeping your chats and data local to you. Download for Mac and Windows.
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Claim this listing for $29Key Features
Overlay Mode
Crux floats above every app and can be summoned with a global shortcut (Ctrl+Shift+Space on Windows, ⌘+Shift+Space on Mac) to assist in-context across applications.
Live Assist Mode
Provides live guidance on the current screen (e.g., circling UI controls, suggesting design improvements) and can perform edits or mark changes.
Local-first Privacy
Chats, files, and contextual data stay local to the user’s machine, keeping data on-device rather than centralized.
Workspace & File Environment
A real environment for real files is shown (file explorer with code, CSVs, markdown reports), enabling Crux to read, run, and edit local files.
Integrations & Connectors
Can connect to messaging channels and email (WhatsApp, Discord, Telegram, Mail) and works with tools like Gmail, Drive, Docs, Sheets, Slides, Calendar, Chrome and Excalidraw.
Self-evolving Assistant
Described as growing with each interaction and adapting to the user’s way of working.
One-time Purchase
Offered as a one-time purchase ($10) for Mac (Apple silicon) and Windows.
Pricing
One-time purchase
$10, one time- Yours for good
- Available for Mac (Apple silicon) and Windows
Use Cases
Personal finance analysis
Analyze bank statements, build spending reports, and update budget trackers (example: March spending report, detect overspend categories).
Code and file editing
Open local project files, run scripts, modify code (examples show analyze_spending.py, budget_tracker.py edits and diffs).
Design and UI improvements
Review and suggest UI/UX changes directly on-screen, rebuild layouts, and highlight controls to change.
Writing and research
Compose documents such as itineraries, resumes and cover letters, study notes, or generate reports and markdown files.
Remote assistance and messaging
Connect and drive the agent remotely through messaging channels and email when away from the machine.
Integrations
WhatsApp / Discord / Telegram / Mail
Connect messaging channels or your email inbox to drive the agent remotely.
Gmail
Works with Gmail for inbox access and assistance.
Google Drive / Docs / Sheets / Slides / Calendar
Integrates with core Google productivity apps for working with documents and schedules.
Chrome / Browser
Operates over the browser to assist with web-based workflows and sites.
Excalidraw
Listed among supported tools for design or diagram workflows.
Benefits
Limitations
Frequently Asked Questions
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Getting Started
- 1 Step 1: Download the Crux installer for your platform (Download for Mac (beta) or Download for Windows (beta)).
- 2 Step 2: Install and run the Crux application on your machine (Mac Apple silicon and Windows supported per site).
- 3 Step 3: Summon Crux with the global shortcut (Ctrl+Shift+Space on Windows, ⌘+Shift+Space on Mac) and connect any messaging channels or email if you want remote access.
Support
Contact the team via [email protected] (address listed on the site).
docs
Product documentation is linked in the site navigation (Docs).
API
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