
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
#1Compose AI records 34,896 monthly visits with -48.1% month-over-month growth and Freemium, Free Trial, Contact for Pricing pricing. MAIL EVOLVED records 0 monthly visits with — growth and Freemium, Free Trial, Paid pricing.

Generate Gmail replies with ChatGPT using your own OpenAI API key
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | compose.ai | chromewebstore.google.com |
| Pricing Model | Freemium, Free Trial, Contact for Pricing | Freemium, Free Trial, Paid |
| Monthly Visits | 34.9K (34,896) | 0 (0) |
| MoM Traffic Delta | -32.34K (-48.1%) | 0 (—) |
|---|
| Primary Market & Share | 🇮🇳 India (26.4%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 25.6K | 0 |
|---|
| User Rating | 4.1 | 3.3 |
|---|
| Supported Platforms | Website | Browser Extension |
|---|

AI autocomplete that finishes your sentences wherever you type
Finish sentences inline in any text field across your browser, from email clients and docs to chat and CRM tools.
Produce full paragraphs, replies, or documents from a short prompt without leaving the page you are working on.
The engine learns how you write and suggests phrasing that sounds like you rather than generic AI output.
Works as a browser extension, so there is no new app to adopt and no per-tool setup for the sites you already use.

Generate Gmail replies with ChatGPT using your own OpenAI API key
A row of generation buttons appears next to the standard reply control whenever you start answering an email in Gmail.
You paste your own OpenAI API key once in the settings; all requests are billed to your own OpenAI account.
Each button maps to a different type of answer, from a short acknowledgement to a free-form custom response.
Generated text is placed straight into the Gmail reply box so you can review, edit, or send it immediately.

Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
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Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
One-click AI assistant for browsing, writing and research
The AI editor built for finishing books, screenplays and long-form stories
AI writing assistant with autocomplete, research, and a Chrome extension
Summarize, bookmark and write with AI right in your browser
Turn a few key points into polished, on-tone emails
An AI email assistant that drafts, summarizes, and perfects your messages in place
An AI writing assistant and keyboard for error-free writing anywhere
Write polished, on-tone emails in seconds — free, right in your browser
AI autocomplete for your entire Mac, running locally and never sending your writing to a server
AI email drafting that writes in your own voice, inside Gmail and Outlook
An AI drafting layer that writes most of your Gmail replies before you open them.