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System-wide AI Assistantfor Mac

Stop switching to ChatGPT. Transform text, get answers, and automate tasks with AI—right where you work. Select text, press a hotkey, done.

WHY HELIOS

Built for Mac.Built for speed.

Unlike clunky web tools, Helios is a true native Mac app. It's 10x faster than switching to ChatGPT—and works everywhere.

Lightning Fast

Built with native Swift, not Electron. Launches instantly with ⌥ + Space—faster than you can blink. Feels like magic, runs like a Mac app should.

Stay in Flow

Never leave your app. Helios reads your selection, processes it with AI, and replaces it in place. No tab switching, no copy-paste dance—just seamless transformation.

Format-Perfect

Your formatting stays intact. Bold stays bold, links stay linked, lists stay structured. Helios rewrites your content while preserving every styling detail.

HOW IT WORKS

Three steps. Any app. Instant results.

Helios works seamlessly in every Mac app—no switching, no copying, no disruption to your flow

Select any text

Highlight messy text anywhere—this email has typos, grammar issues, and awkward phrasing

Press ⌥ + Space

Helios command palette appears instantly. Choose 'Professional' to polish your writing

Your text transforms

Perfect. Grammar fixed, tone polished, meaning preserved—all in place

POWERFUL FEATURES

AI assistance in every app, instantly

Whether you're writing code, analyzing data, drafting content, or researching—Helios makes it effortless

Instant Summaries & Conversations

Get to the point faster with AI-powered summaries of long emails, documentation, or articles. Ask follow-up questions and dive deeper—all in the same conversation window. Perfect for when you need quick insights without switching contexts.

Perfect Your Tone, Instantly

Transform any text with a single command. Polish code comments, refine presentations, adjust message tone, or clarify documentation. Select text, choose a style, and watch the magic happen—no copy-paste required.

Your Commands, Your Way

Create custom AI commands for anything. "Make this sound like Yoda," "Explain like I'm 5," or "Turn into haiku"—your imagination is the only limit.

WORKS EVERYWHERE

Every app. Every workflow.

Helios works in literally any Mac app. No integrations, no plugins—just pure system-level magic.

Mail

Slack

Cursor

Notion

Chrome

Messages

Discord

Telegram

Obsidian

Xcode

Safari

Notes

Works in any text field, anywhere on macOS. If you can type in it, Helios can enhance it.

PRICING

Simple pricing, powerful AI

Start free with your own API keys, or go cloud for instant access to premium models

Free

Bring your own API keys

Standard

For everyday tasks

Pro

For power users

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