AI-powered email and calendar assistant that drafts replies, prioritizes messages, and automates inbox tasks.
Stamp is an AI-native email client that acts as a personal secretary for inbox and calendar management. It drafts replies in the user's voice, prioritizes and categorizes incoming messages, extracts action items, and schedules calendar events. The product learns preferences over time through memories, AI labels, and context search.
Stamp offers a web application and mobile apps with voice mode, a free Hobby tier, and paid Personal and Business subscription plans. It integrates with existing email accounts and is offered through direct self-serve signup.
| Attribute | AI Email Secretary | Apple Intelligence | Spark AI | Superhuman Mail | |
|---|---|---|---|---|---|
| Provider |  |  |  |  | |
| Founded | 2024 | 1976 | 2023 | 2015 | |
| Sells To | Business, Consumers | Enterprises, Individuals | Enterprise | Small Business | |
| Pricing Model | B2B Subscription, B2C Subscription | Services, Subscription | Recurring, Software | Recurring, Software | |
| Ownership | Venture-backed | Public | Venture-backed | Private |
Provider
Founded 2024
Sells To Business, Consumers
Pricing Model B2B Subscription, B2C Subscription
Ownership Venture-backed
Founded 1976
Sells To Enterprises, Individuals
Pricing Model Services, Subscription
Ownership Public
Provider
Founded 2023
Sells To Enterprise
Pricing Model Recurring, Software
Ownership Venture-backed
Provider
Founded 2015
Sells To Small Business
Pricing Model Recurring, Software
Ownership Private
An AI-powered email inbox that organizes itself, drafts emails, and schedules meetings, integrated with Notion workspace and Calendar.
Nylas provides a unified API for email, calendar, and contacts integration across all major providers.
AI executive assistant that proactively manages email, meetings, and calendar to save professionals time.
Gmail extension with send-later, follow-up reminders, and response tracking.
Messaging-based personal AI assistant that completes everyday tasks through text conversations across iMessage, SMS, Telegram, and WhatsApp.
Messaging-first AI assistant that turns voice notes and chats into finished work across more than a thousand connected apps.
6sense's AI Email Agents drafts, sends, and manages personalized B2B prospecting email sequences grounded in buyer signals and brand voice.
WiseStamp centrally manages email signatures across Outlook, Workspace, and Exchange with campaigns and analytics.
Fathom AI Notetaker captures meetings with AI notes, summaries, action items, and workflow integrations.
Levenza AI Agents are autonomous AI agents for enterprise administrative workflows including inbox, timesheets, and travel coordination.
Personal AI agent that keeps context across connected apps and follows through on tasks for work and life.
CodeGPT Goal-Oriented Agents manage customer journeys across chat, voice, email, and SMS channels.
An AI-powered email inbox that organizes itself, drafts emails, and schedules meetings, integrated with Notion workspace and Calendar.
Nylas provides a unified API for email, calendar, and contacts integration across all major providers.
AI executive assistant that proactively manages email, meetings, and calendar to save professionals time.
Gmail extension with send-later, follow-up reminders, and response tracking.
Messaging-based personal AI assistant that completes everyday tasks through text conversations across iMessage, SMS, Telegram, and WhatsApp.
Messaging-first AI assistant that turns voice notes and chats into finished work across more than a thousand connected apps.
6sense's AI Email Agents drafts, sends, and manages personalized B2B prospecting email sequences grounded in buyer signals and brand voice.
WiseStamp centrally manages email signatures across Outlook, Workspace, and Exchange with campaigns and analytics.
Fathom AI Notetaker captures meetings with AI notes, summaries, action items, and workflow integrations.
Levenza AI Agents are autonomous AI agents for enterprise administrative workflows including inbox, timesheets, and travel coordination.
Personal AI agent that keeps context across connected apps and follows through on tasks for work and life.
CodeGPT Goal-Oriented Agents manage customer journeys across chat, voice, email, and SMS channels.