Steer
Steer · Writing
Steer is a native AI writing assistant for macOS and Windows that fixes grammar and rewrites messages in any app.
About Steer
What Is Steer
Steer is a desktop writing assistant that lives quietly in the background and cleans up your text wherever you happen to be typing. It isn't a website you open in a browser tab, and it isn't tied to one editor. Select a sentence in Slack, Outlook, Gmail, or a Google Doc, hit a shortcut, and Steer rewrites it in place. For managers, marketers, and anyone who writes to clients all day, that means fewer half-finished drafts and less time staring at a sentence that just won't land.
The app leans hard on professional communication. When you trigger an improvement, Steer reads the goal and tone of the message and rewrites accordingly, so a quick Slack update doesn't come out sounding like a formal proposal. It also detects the app you're in and matches the tone to it. That's the part most people notice first.
The biggest catch is language. Steer runs on GPT-4 through its own open-source backend, and while it handles several languages, it works best with English. If your daily writing is in French or German, expect decent results but not the polished output you'd get in English.
Getting Started
- Download Steer from its official website and install the native app for macOS 12 and above or Windows.
- Open Steer and grant the accessibility permission it asks for, since the app needs it to read and replace text inside other programs.
- Select the text you want to fix while typing in any application, then press the shortcut for the action you want: proofreading or improvement.
- Review the highlighted changes, accept what looks right, and keep typing. The Starter plan allows 10 fast requests per day before you need to upgrade.
Product Information
A quick look at Steer's pricing, supported platforms, and performance.
Best for
The users, tasks, and scenarios where this tool fits best.
Users
- Managers and team leads
- Non-native English speakers
- Marketers and freelancers
Tasks
- Fixing grammar and spelling
- Improve writing for a clearer tone
- Shortening a draft
Scenarios
- Cleaning up a message mid-thread in Slack or Teams before sending.
- Polishing a client email in Outlook or Gmail without switching tabs.
- Tightening a paragraph inside a browser form or a Google Doc.
Key features
Works in any application
Steer works as an AI text editor inside any application, and it isn't locked to one program. It hooks into whatever window has focus, so you can fix text in your email client, a messaging app, a browser field, or a word processor without copying and pasting anything. That refusal to interrupt your flow is the whole pitch, and it's the feature that separates it from web-based AI writers.
Lightning-fast shortcuts
Two shortcuts do most of the work. Want to replace a full grammar checker? This is the closest thing. On macOS, one key combo proofreads instantly and another triggers the smarter improvement pass, and Windows users get the same idea on their keyboard. Both run in place, and improved text shows up highlighted in green so you can see exactly what changed.
Tone matching by app
Steer reads which program you're in and adjusts its tone to fit. A message in a chat app gets a looser, quicker voice, while something written for a formal channel comes out more buttoned-up. You don't have to pick a tone setting for every message.
Goal-aware improvement
The improvement pass does more than swap words. It analyzes the goal and tone of what you wrote and rewrites with that in mind, and you can watch the detected tone and goal update in real time as the new version generates. It's the difference between a grammar fix and an actual rewrite.
Privacy-first processing
Steer only touches the text you explicitly select. It doesn't log everything you type, and the developer states the backend is open source, with selected text sent through the OpenAI API for processing. If you're wary of a tool reading your whole screen, that scoped approach matters.
Native desktop build
The app is built for macOS and Windows rather than running as a browser extension or a web to-do. That makes it lightweight and always ready, and it avoids the lag that comes with round-tripping text through a website. macOS 12 and above is required.
Multi-language support
Steer handles more than English, leaning on GPT-4's built-in language range. It's a real draw for international teams. Be honest about the trade-off: responses in other languages vary in quality, and English stays the smoothest.
Pros and cons
Pros
- Fixes and rewrites text in any app, so there's no copy-paste detour or switching windows.
- Tone matching by app means a chat message and a client email don't come out sounding the same.
- The free Starter plan gives 10 fast requests a day, enough to test it on real work.
- One-time lifetime pricing at $149 is rare for an AI writing tool and avoids a subscription.
- Only selected text is processed, and the backend is open source.
Cons
- No mobile app, so it can't help with writing on a phone or tablet.
- English output is noticeably better than other languages, which limits it for non-English teams.
- It needs an accessibility permission to read and replace text inside other programs, and some users will hesitate before granting it.
Frequently asked questions
Steer is a desktop AI writing assistant that fixes grammar and rewrites selected text inside whatever app you're using. You highlight a sentence, press a shortcut, and it improves the wording in place instead of making you paste text into a separate tool.
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