2026年9月時点で、AlphaMoatはメールアシスタントタグの付いたAIブラウザ拡張機能を228件掲載しています。最もインストールされているのはJetwriter AI(ユーザー数50万)です。インストール数で並べ、毎月更新しています。
| # | 拡張機能 | 提供元 | ユーザー数 | 評価 |
|---|---|---|---|---|
| 1 | Write emails & messages, chat with page, improve writing, translate, and do much more. Powered by the most intelligent AI models | jetwriter | 50万 | ★ 4.6 |
| 2 | Accelerate your writing with AI | compose | 30万 | ★ 4.1 |
| 3 | J2S3 | 7万 | ★ 4.5 | |
| 4 | Mixmax | 7万 | ★ 4.5 | |
| 5 | Free mail merge & mass email tool for Gmail, with email tracking and auto follow-ups | Mailmeteor | 6万 | ★ 4.8 |
| 6 | Gmelius | 5万 | ★ 4.6 | |
| 7 | Hiver in Gmail unifies communication channels, apps, and data into one intuitive platform for effortless customer support. | GREXIT | 5万 | ★ 4.6 |
| 8 | FinalScout - Find valid email addresses for anyone & craft tailored emails based on LinkedIn profile with ChatGPT. | Anewstip | 5万 | ★ 4.8 |
| 9 | Automatically write emails using ChatGPT for Gmail | cloudHQ | 3万 | ★ 4.4 |
| 10 | A ChatGPT powered AI email writing assistant. | Latent Representation Systems | 2万 | ★ 4.0 |
| 11 | Leverage the power of ChatGPT within your Gmail inbox. | Aptare Engage Technologies | 2万 | ★ 4.1 |
| 12 | Get to Inbox Zero in no time with AI. Write, reply, improve, and summarize email threads in seconds | Maestro Labs | 1万 | ★ 4.8 |
| 13 | Let superReply handle the hard work for you with its AI-powered email response tool. | superReply | 1万 | ★ 4.8 |
| 14 | Sourcing on professional networking sites/ATS, Email Campaigns, Application Review, Gmail Assistant, Contact Finder, Recommendations | hireez | 1万 | ★ 4.4 |
| 15 | AI-powered shared inbox in Gmail. Manage support@ & sales@ together, add WhatsApp, and let AI draft, sort, summarize and resolve. | DRAGAPP COM | 1万 | ★ 4.1 |
| 16 | Friday Email AI Assistant Extension | PLAYERS LINK | 9000 | ★ 4.2 |
| 17 | usebaxter | 9000 | ★ 3.8 | |
| 18 | Track emails, send personalized mail merges, create professional signatures, and stay productive in Gmail. | Mailbutler | 6000 | ★ 4.6 |
| 19 | tryellie | 5000 | ★ 3.9 | |
| 20 | Quick emails even if you instruct with a different language | - | 3000 | ★ 3.2 |
| 21 | OpenAI ChatGPT integration for Gmail & Outlook — Prefill email replies and leverage GPT's power to write quality emails faster. | Ybouane | 3000 | ★ 3.8 |
| 22 | Email tracker for Gmail and Google Workspace (G Suite). Email opens tracking and link clicks tracking. AI Email Writer with chatGPT. | goemailtracker | 2000 | ★ 4.8 |
| 23 | Create clever text expansions to speed up your writing on email, LinkedIn, and millions of websites. | Textly | 2000 | ★ 4.1 |
| 24 | Use ChatGPT in Gmail™, Docs™, Slides™ & Sheets™. Summarize emails, write drafts, polish presentations and generate content instantly | perfectassistant | 2000 | ★ 5.0 |
| 25 | Write emails faster with Email Reply Generator—a professional AI response tool for generating emails for Gmail, Outlook, and more. | - | 1000 | ★ 5.0 |
| 26 | Get AI answers beside Google results. Write, rewrite, summarize, and improve emails or messages anywhere. | chatgp | 1000 | ★ 5.0 |
| 27 | Generate an email or message reply with one click using ChatGPT, or write in any input box on any website. | - | 1000 | ★ 4.0 |
| 28 | - | 1000 | ★ 4.6 | |
| 29 | Unleash the power of AI in your words | - | 1000 | ★ 5.0 |
| 30 | Free AI Email Generator: Create high-quality emails fast. Turn ideas into engaging emails with AI-driven technology, by AIFreeBox. | aifreebox | 1000 | ★ 5.0 |
| 31 | 9361-9195 Quebec | 1000 | ★ 5.0 | |
| 32 | Auto Gmail connects to your Gmail inbox and uses your data and ChatGPT to draft email responses to every inbound message | autogmail | 1000 | ★ 3.9 |
| 33 | Lightfern | 1000 | ★ 5.0 | |
| 34 | Track jobs. Grow your network. Apply faster with AI. It's time to land your dream job 2x faster. | Prentus | 1000 | ★ 1.0 |
| 35 | Write emails, messages, and more using ChatGPT, Claude AI and Gemini AI (privacy-frendly). Works on all sites. | clippit | 1000 | ★ 4.8 |
| 36 | Generate replies with your data in Gmail, Intercom and Zendesk. | hypertype | 1000 | ★ 4.2 |
| 37 | Automatically rephrases emails in Gmail for a more professional tone. | Professionally | 1000 | ★ 3.8 |
| 38 | raply | 1000 | ★ 4.8 | |
| 39 | mailr-ai | 886 | ★ 4.5 | |
| 40 | AIM are AI agents for Klaviyo that streamline email marketing by auditing flows, setting up campaigns, and automating operations. | Aimerce | 872 | ★ 5.0 |
| 41 | Free AI email writer for Gmail. Generate professional emails instantly. ChatGPT-powered replies in 35+ languages. No signup needed. | writemail | 817 | ★ 5.0 |
| 42 | Unlock the power of AI with SimpleMail to write, read, and respond to emails like a pro. | - | 729 | ★ 5.0 |
| 43 | Scribbly – AI-powered email writing for busy professionals | Scribbly | 718 | ★ 5.0 |
| 44 | Dictate Gmail emails by voice. Type 5x faster with AI speech to text & voice dictation on 20,000+ sites. 100% private and secure. | writebyvoice | 687 | ★ 4.5 |
| 45 | nextania | 683 | ★ 5.0 | |
| 46 | Compose, reply, and summarize emails 10x faster with AI in seconds | composeit | 666 | ★ 5.0 |
| 47 | Snoooz AI | 597 | ★ 5.0 | |
| 48 | A Chrome extension that polishes the content of Gmail emails using GPT | Coucou | 582 | ★ 5.0 |
| 49 | Wholemeaning Email Manager | wholemeaning | 560 | ★ 5.0 |
| 50 | Write emails 10x faster in any language with our AI-powered mail writer | - | 547 | ★ 4.7 |
2026年9月時点で、ユーザー数で見ると、「メールアシスタント」関連のAI Chrome拡張機能の1位はJetwriter AI(ユーザー 50万)です。続いてCompose AI(ユーザー 30万)、MerciApp(ユーザー 7万)。
ユーザー数の高い順に、上位10件は次のとおりです:1. Jetwriter AI、2. Compose AI、3. MerciApp、4. Mixmax、5. Mail Merge for Gmail、6. Gmelius、7. Hiver in Gmail、8. FinalScout、9. ChatGPT for Gmail by cloudHQ、10. Ghostwrite。
AlphaMoatは228件の「メールアシスタント」関連のAI Chrome拡張機能を収録し、ユーザー数で順位付けしています。ユーザー数はChromeウェブストアの公開データに基づきます。データは毎月更新しており、現在は2026年9月のデータです。
このタグの付いたすべてのChrome拡張機能を、最新月のインストール数で並べています。詳しくはデータの方法論をご覧ください。