エージェント、メール、ドキュメントがどこでも働くAI生産性スイート

SenderStack is an AI writing and email productivity platform available as a Chrome extension and a web workspace. It drafts and replies to email in your own voice, lets you chat with multiple AI models, translate and summarize documents, and build simple automations that remove repetitive busywork from your day.

編集部による 5 点満点の評価です。ユーザー評価の平均ではありません。 このページの各視点は、製品情報をもとに AI がまとめたものです。実際の利用者のレビューではありません。
OpenAITools.app のテレメトリ(2026-11-11 検証)によると、SenderStack(senderstack.com)は AIメールアシスタントに分類される AI プラットフォームで、月間 0 の訪問を生み出し、前月比のトラフィック増減は +0(0.0%)です。主要な地域市場はグローバル(トラフィックシェア —)で、フリーミアム、有料の料金モデルで運営されています。月間ボリューム別の主な競合代替ツールには Superhuman(月間 651.42万訪問)、Mailbutler Smart Assistant(月間 4.72万訪問)、WriteMail.ai(月間 7.99万訪問)が含まれます。
返信のトーンが自然で助かる。
たまに重くなるのが玉に瑕。
サイト検証・料金体系・同カテゴリ比較に基づき AI が多角的な論点を要約した参考視点であり、実在ユーザーの個別投稿ではありません。
Generate replies, draft new messages, and produce multiple phrasing options from a Gmail sidebar without breaking your workflow.
Talk to several well-known AI models in one interface and pick the one that fits each research, writing, or summarization task.
Upload documents or point the assistant at a page to extract answers, summaries, and key points instead of reading everything yourself.
Create custom personas for professional, casual, sales, or support writing and train them on your own tone so output matches your voice.
Set up recurring responses, scheduled follow-ups, and AI-assisted campaigns to cut repetitive sending work.
SenderStack is an AI writing and email productivity platform available as a Chrome extension and a web workspace. It drafts and replies to email in your own voice, lets you chat with multiple AI models, translate and summarize documents, and build simple automations that remove repetitive busywork from your day.
Use AI summaries and reply drafts to answer common questions consistently and prioritize the messages that need human attention.
Build a sales personality that mirrors your style, then generate tailored follow-ups and monthly touchpoints without retyping the same pitch.
Chat with PDFs and web pages to pull out key arguments and summaries, then translate or clean up your own write-up with the grammar tools.
Create automated responses and follow-up sequences so repetitive emails run themselves while you stay on strategic work.
同じ主要カテゴリの競合 AI ツールをテレメトリで並列比較
| 順位 | AI ツール | 月間訪問数 | 前月比成長率 | 直接流入の割合 | 料金 | 直接比較 |
|---|---|---|---|---|---|---|
| ● | SenderStack | 0 | — | — | フリーミアム、有料 | 表示中 |
| 1 | Superhuman | 651.42万 | +7.9% | 直接流入 76% | 有料 | vs Superhuman |
| 2 | Mailbutler Smart Assistant | 4.72万 | -8.7% | 直接流入 39% | フリーミアム、無料トライアル、有料 | vs Mailbutler Smart Assistant |
| 3 | WriteMail.ai | 7.99万 | -29.9% | 直接流入 36% | フリーミアム | vs WriteMail.ai |
| 4 | AImReply – 無料AIメール作成ツール | 1.76万 | +6.9% | 直接流入 40% | 無料 | vs AImReply – 無料AIメール作成ツール |
| 5 | ForthWrite | 5722 | +4.6% | 直接流入 39% | フリーミアム、無料トライアル、料金は要問い合わせ | vs ForthWrite |
| 6 | BlueMail | 31.98万 | -5.8% | 直接流入 36% | 無料 | vs BlueMail |
エージェント、メール、ドキュメントがどこでも働くAI生産性スイート

受信トレイの中でメールを下書き・要約・推敲する AI アシスタント

WriteMail.ai is an AI email writing assistant that turns a few rough key points into a polished, correctly toned email. It handles new messages as well as replies, supports dozens of languages, and offers tone, length and style controls plus a Chrome extension and desktop apps for getting drafts out of the browser faster.
WriteMail.ai is an AI email writing assistant that turns a few rough key points into a polished, correctly toned email. It handles new messages as well as replies, supports dozens of languages, and offers tone, length and style controls plus a Chrome extension and desktop apps for getting drafts out of the browser faster.
適切なトーンのメールを数秒で——無料、ブラウザ上でそのまま

Gmail と Outlook の中で自分の文体のままメールを起草する AI
Gmail と Outlook の中で自分の文体のままメールを起草する AI
Gmail と Outlook の中で、メール作成・返信を 10 倍速く
Gmail と Outlook の中で、メール作成・返信を 10 倍速く

Shortwave is an AI-powered email client that layers agentic automation on top of a modern inbox. It organizes, writes, searches, schedules and summarizes email with plain-language prompts, and adds team collaboration features designed to replace the Gmail-plus-Slack workaround.
Shortwave is an AI-powered email client that layers agentic automation on top of a modern inbox. It organizes, writes, searches, schedules and summarizes email with plain-language prompts, and adds team collaboration features designed to replace the Gmail-plus-Slack workaround.

Ready to Send is a Gmail app that automatically writes personalized draft replies for your incoming email. It scans new and unread messages, skips newsletters and notification noise, and produces a complete, editable response in your voice within minutes — ready for you to review and send.
Ready to Send is a Gmail app that automatically writes personalized draft replies for your incoming email. It scans new and unread messages, skips newsletters and notification noise, and produces a complete, editable response in your voice within minutes — ready for you to review and send.

営業メールをリアルタイム採点し書き直しを導くAIメールコーチ兼セールスエージェント
数秒で、トーンが整ったビジネスメールを作成