

Ellie AI: Smart Email Assistant That Writes Like You
Ellie is an AI email assistant that learns your writing style to draft replies that sound authentically like you, right inside Gmail, Outlook, and Fastmail.
Overview
Ellie AI tackles inbox overload by acting as your personal email ghostwriter. Installed as a lightweight browser extension for Chrome, Firefox, and Edge, it embeds directly into the email clients you already use—Gmail, Outlook web, and Fastmail—so there's no need to switch tools or copy-paste text. By analyzing example emails you provide, Ellie picks up on your tone, phrasing, and quirks, then generates contextually relevant replies that feel genuinely written by you rather than a generic bot.
What sets Ellie apart is its ability to be taught. Beyond mimicking your style, you can feed it documents and URLs to build a custom knowledge base, which it intelligently references when crafting responses that require specific facts or details. Add in multilingual support and customizable 'roles' for different contexts (think different hats for sales, support, or internal communication), and Ellie becomes a flexible assistant for anyone drowning in correspondence—whether you're an individual with reply anxiety or a customer support team handling hundreds of tickets a day.
Privacy is baked into Ellie's design: it doesn't store your email data long-term, only using recent thread context to generate relevant replies. Built by an independent team without outside funding, Ellie positions itself as a tool that survives on subscriptions rather than data monetization, which gives it a distinct ethical angle compared to larger, ad-funded competitors.
Capabilities & Features
- AI email assistant
- Email automation
- Email reply generator
- Productivity tool
- Browser extension
- Multilingual support
- Knowledge base
- Team collaboration
Core Features
- AI-generated email replies trained on your personal writing style
- Native browser extension for Chrome, Firefox, and Edge
- Deep integration with Gmail, Outlook web, and Fastmail
- Custom knowledge base training via documents and URLs
- Multilingual reply generation
- Role-based profiles for different email contexts
Use Cases
- Quickly clearing a backlog of routine email replies
- Reducing time spent drafting repetitive responses
- Easing reply anxiety for overwhelmed inboxes
- Supporting users with dyslexia or language/grammar challenges
- Standardizing responses across customer support teams
Best For
- Busy professionals
- Small teams
- Large teams and enterprises
- Customer support teams
- Individuals overwhelmed by email volume
Pros
- •Learns and replicates your authentic writing voice rather than sounding robotic
- •Works natively inside popular email clients without disrupting workflow
- •Can be taught specific facts via documents and URLs for accurate replies
- •Role feature allows tailored tones for different business contexts
- •Privacy-conscious approach with no long-term email data storage
Cons
- •Daily reply limits even on paid plans, with unlimited replies reserved for the priciest tier
- •No native support yet for email clients beyond Gmail, Outlook, and Fastmail
- •Not designed for cold outreach or prospecting emails
- •Requires upfront training with sample emails before results feel truly personalized
How to Use
1. Install the Ellie extension for Chrome, Firefox, or Edge. 2. Provide sample emails so Ellie can learn your unique writing style. 3. Optionally upload documents or URLs to build a custom knowledge base for factual replies. 4. Set up roles if you need different tones for different contexts (e.g., sales vs. support). 5. Open Gmail, Outlook web, or Fastmail and use Ellie to generate AI-drafted replies directly in your inbox, editing as needed before sending.
Frequently Asked Questions
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Pricing
Ellie offers three monthly subscription tiers ranging from $19 for 25 daily replies up to $79 for unlimited replies, with no free plan available.
Pricing data is provided as a summary. Visit the vendor website for full tier details.