12 alternatives to Letterbot AI, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating |
|---|
| Compare |
|---|
| ● | Letterbot AI | chromewebstore.google.com | 0 | 0 (—) | Freemium | Global | 3.8 | Profile |
| 1 | Smart Assistant by Mailbutler | mailbutler.io | 47.2K | -4.51K (-8.7%) | Freemium, Free Trial, Paid | United States | 4.5 | Compare |
| 2 | AImReply – Free AI Email Writer | aimreply.com | 17.62K | 1.14K (+6.9%) | Free | United Kingdom | 3.8 | Compare |
| 3 | AI Email Writer for Gmail | replyai.ai | 967 | -6.41K (-86.9%) | Freemium, Paid | India | 3.8 | Compare |
| 4 | Grammarly | grammarly.com | 58.87M | -916.08K (-1.5%) | Freemium | United States | 4.4 | Compare |
| 5 | WriteMail.ai | writemail.ai | 79.92K | -34.11K (-29.9%) | Freemium | Saudi Arabia | 4.2 | Compare |
| 6 | ForthWrite | forthwrite.ai | 5.72K | 252 (+4.6%) | Freemium, Free Trial, Contact for Pricing | United States | 4.2 | Compare |
| 7 | Compose AI | compose.ai | 34.9K | -32.34K (-48.1%) | Freemium, Free Trial, Contact for Pricing | India | 4.1 | Compare |
| 8 | Letty | useletty.com | 198 | -1.16K (-85.4%) | Freemium | India | 3.8 | Compare |
| 9 | Mailyr | getmailyr.com | 852 | -1.82K (-68.1%) | Freemium | India | 3.7 | Compare |
| 10 | MailBuddy | mailbuddy.ai | 284 | 284 (0%) | Free | United States | 4.1 | Compare |
| 11 | ParagraphAI | paragraphai.com | 23.27K | -12.32K (-34.6%) | Freemium | United States | 4.2 | Compare |
| 12 | Into Gmail | chromewebstore.google.com | 0 | 0 (—) | Freemium | Global | 4.5 | Compare |
An AI email assistant that drafts, summarizes, and perfects your messages in place
An AI email assistant that drafts, summarizes, and perfects your messages in place
Write polished, on-tone emails in seconds — free, right in your browser
Write polished, on-tone emails in seconds — free, right in your browser
Draft and reply to email 10x faster inside Gmail and Outlook
Draft and reply to email 10x faster inside Gmail and Outlook
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Turn a few key points into polished, on-tone emails
Turn a few key points into polished, on-tone emails
AI email drafting that writes in your own voice, inside Gmail and Outlook
AI email drafting that writes in your own voice, inside Gmail and Outlook
SpecialistAI autocomplete that finishes your sentences wherever you type
SpecialistAI autocomplete that finishes your sentences wherever you type
AI email writing and smart replies, right inside Gmail
AI email writing and smart replies, right inside Gmail
SpecialistAI email writing inside Gmail, without leaving your inbox.
SpecialistAI email writing inside Gmail, without leaving your inbox.
SpecialistFree GPT-powered Chrome extension that drafts Gmail replies in seconds
SpecialistFree GPT-powered Chrome extension that drafts Gmail replies in seconds
An AI writing assistant and keyboard for error-free writing anywhere
An AI writing assistant and keyboard for error-free writing anywhere
One-click ChatGPT email writing inside Gmail and Outlook
One-click ChatGPT email writing inside Gmail and Outlook
