专项更强Offers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns.
Instantly 记录了 2,336,279 月访问量,月度环比增长为 +6%,定价为付费,定价请咨询。SenderStack 记录了 0 月访问量,增长率为 —,定价为免费增值,付费。

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.
| 维度 / 指标 | ![]() | ![]() |
|---|---|---|
| 官方域名 | instantly.ai | senderstack.com |
| 定价模式 | 付费,定价请咨询 | 免费增值,付费 |
| 月访问量 | 233.63万 (2,336,279) | 0 (0) |
| 月度环比流量变化 | +13.14万 (+6%) | 0 (—) |
| 主要市场与份额 | 🇺🇸 美国 (47.7%) | 🌐 全球 (—) |
| 直接访问 / 月 | 182.13万 | 0 |
| 用户评分 | 4.4 | 4.2 |
| 支持的平台 | 网站 | 浏览器扩展 |

面向线索挖掘、外联与送达率的 AI 智能体销售触达平台
一套为特定目的打造的智能体,覆盖销售外联、回复处理、线索发现、送达率、合作、投资、招聘和用户研究,可组合成自动化收入工作流。
几分钟内启动多步冷邮件活动;当线索访问网站、回复或预约会议时,自动路由、打标签并触发后续动作。
搜索大型 B2B 线索库,在发送前验证邮箱地址,并识别匿名网站访客以扩充潜客名单。
专用邮箱账户(AirMail)、自动预热、收件箱投放测试与发件人声誉监控,帮助邮件进入主收件箱。

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.
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.
专项更强Offers comprehensive email marketing and CRM tools, but is less specialized for high-volume B2B cold outreach campaigns.
兼具智能体、邮件与文档的 AI 生产力套件
专项更强擅长多来源数据增强与自定义 AI 工作流程,但比起开箱即用的陌生开发信工具需要更多设置。
Delivers enterprise-grade revenue intelligence and deal execution tools, but is significantly more expensive and complex than Instantly.
内置 B2B 潜在客户数据库和邮件预热功能,但针对单个邮箱送达率的报表不够精细。

专项更强Provides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools.
专项更强Provides reliable mailbox verification and deliverability checks, but lacks end-to-end campaign sequencing and outreach tools.

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.
提供更全面的邮件、LinkedIn与电话多渠道开发,但缺乏 Instantly 那种专注于无节制陌生开发信的核心优势。

Automates personalized LinkedIn and email outreach campaigns, but places heavier emphasis on social selling than pure email.
Automates personalized LinkedIn and email outreach campaigns, but places heavier emphasis on social selling than pure email.