AI Tool Atlas

Productivity & writingDocumented overviewLast checked Sep 29, 2026

Stamp: Pricing, Features & Best Use Cases

AI secretary for email and calendar that drafts replies in your voice, labels mail and schedules events.

Stamp homepage screenshot, productivity & writing AI tool

Our take: Stamp suits busy professionals and small teams who want an AI secretary that learns their voice and context to draft replies, label mail and schedule events across Mac, iOS and Android.

Main limitation: The Windows app is not available yet and the Personal plan connects only 2 email accounts.

By the AI Tool Atlas editors. Based on the vendor's official documentation; we have not tested this product hands-on. What “documented overview” means

Who Stamp fits

Stamp suits busy professionals and small teams who want an AI secretary that learns their voice and context to draft replies, label mail and schedule events across Mac, iOS and Android. Based on the vendor's documentation, not on a hands-on test.

Best for: Busy professionals

Also a good fit for

  • Small teams

Consider another tool if windows app coming soon

Or if

  • Personal plan limited to 2 email accounts
  • Enterprise requires contacting sales

Stamp in the news

Headlines from US outlets, selected automatically — not endorsements. Updated Oct 2, 2026

Stamp pricing and usage limits

Prices checked Sep 29, 2026 on the official US pricing page. Official pricing ↗ Prices and limits change often.

Stamp pricing page with plans and prices — screenshot of the productivity & writing AI tool, Oct 1, 2026
The official Stamp pricing page as we saw it. stampmail.ai, captured Oct 1, 2026

Free access and trial conditions

Free plan referenced but not detailed

30 days free

Paid plans: what changes as you upgrade

Personal web

$20/mo source (opens in a new tab)

Month

Yearly saves 20%

For: Startups and small teams

Limits

  • Up to 2 connected email accounts
  • 50 profile enrichments monthly

Includes

  • 10x usage for AI features
  • Unlimited agent memories

Business web

$50/mo source (opens in a new tab)

Month

Yearly saves 20%

For: Mid-sized teams

Limits

  • Up to 5 connected email accounts
  • 500 profile enrichments monthly

Includes

  • 25x usage for AI features

Enterprise web

Custom pricing source (opens in a new tab)

Month

For: Large teams

Includes

  • Any email provider
  • On-prem deployments
1 more
  • White glove onboarding

Usage caps, credits and extra costs

None listed

Not stated

What is Stamp, and how does it work?

Stamp learns your preferences through memories, AI labels and context search to draft, prioritize, summarize and schedule email on your behalf. It offers a Stamp Mode for approving drafts quickly, plus desktop and mobile apps and voice mode.

Stamp homepage — screenshot of the productivity & writing AI tool, Oct 1, 2026
Stamp's official site: how the product presents itself. stampmail.ai, captured Oct 1, 2026

What you provide and what you get back

How Stamp works: what you provide, where it runs and what you get backYOU PROVIDEYour inputConnected email accounts and cale…Memories about you and contactsPlain-English label rulesPRODUCTIVITY & WRITINGStampWeb, Desktop, Mobilefrom $20/mo (Personal)free tier availableaccount requiredchecked Sep 29, 2026YOU GET BACKThe resultDrafted replies in your voiceLabeled and prioritized mailScheduled calendar events and sum…input → Stamp → output · from the vendor's own pages, no hands-on test unless stated
What you give Stamp and what comes back, from its documentation

You provide

  • Connected email accounts and calendar
  • Memories about you and contacts
  • Plain-English label rules

You get back

  • Drafted replies in your voice
  • Labeled and prioritized mail
  • Scheduled calendar events and summaries

Where you can use it

Platforms
Web, Desktop, Mobile
Account
Required
Platforms
Mac (Apple silicon), iOS, Android, web
Accounts
2 Personal, 5 Business
Usage
10x Personal, 25x Business

What people use Stamp for

Scenarios are worked out by our editors from the documentation; the actual result depends on your input and plan.

Auto-draft replies

Who
Busy professionals
You provide
Incoming email
Expected result
Draft in your voice for one-tap approval
Plan needed
Personal ($20)
Limitation
Limited to 2 accounts source (opens in a new tab)

Triage inbox

Who
Founders and managers
You provide
Inbox with AI labels
Expected result
Prioritized and categorized mail
Plan needed
Personal or Business
Limitation
Label rules written in plain English source (opens in a new tab)

Bulk draft emails

Who
Small teams
You provide
List of recipients and intent
Expected result
Many drafts created at once
Plan needed
Business for 5 accounts
Limitation
Usage multiplier by plan source (opens in a new tab)

What Stamp does, and where it stops

Stamp homepage — screenshot of the productivity & writing AI tool, Oct 1, 2026
Feature overview on the official site. stampmail.ai, captured Oct 1, 2026

Automatic replies

Drafts responses using your past writing style and calendar availability Cuts time spent writing mail

Access: All plansLimit: Drafts need approval via Stamp Mode source (opens in a new tab)

AI labels in plain English

Applies actions to emails matching a label you describe in words Automates triage

Access: All plansLimit: Usage limits by plan source (opens in a new tab)

Long-term memories

Creates and edits memories about you and your contacts after each interaction Retains context

Access: Unlimited on paid plansLimit: Stored by vendor source (opens in a new tab)

Context search

Searches your inbox and calendar before drafting or scheduling Keeps replies accurate

Access: All plansLimit: Only connected accounts source (opens in a new tab)

Stamp Mode

Lets you approve drafted changes quickly in sequence Speeds inbox clearing

Access: All plansLimit: Needs review of each draft source (opens in a new tab)

Stamp pros and cons

Where Stamp is strong

Limitations to check before paying

How to use Stamp for letting an AI secretary draft email replies

Set up Stamp

  1. Download Stamp for Mac, iOS or Android from stampmail.ai
  2. Sign up and start the 30-day trial
  3. Connect your email and calendar accounts
  4. Let Stamp learn from your inbox

Example: letting an AI secretary draft email replies

  1. Open Stamp Mode on a busy inbox
  2. Review each drafted reply
  3. Approve or edit the drafts
  4. Ask Stamp to schedule a meeting from a thread

Review and export the result

  1. Compare drafts with your writing style
  2. Review memories Stamp created about contacts
Example prompt suggested by our editors (not a recorded output of the product)
Draft a reply accepting the Tuesday meeting and propose 3pm

Stamp API

Stamp pricing page with plans and prices — screenshot of the productivity & writing AI tool, Oct 1, 2026
Plan comparison on the official pricing page. stampmail.ai, captured Oct 1, 2026

API access and separate billing

Stamp has no public API in its official documentation. No API described

Privacy, data use and commercial rights

Summarized from the vendor's current policies; this is not legal advice and a vendor's badge is not an independent audit.

How your inputs and outputs are handled

Email and calendar content is read to draft and organize

Commercial use and plan restrictions

On-prem deployment only for Enterprise

Controls for business users

  • On-prem (Enterprise)

Policies: stampmail.ai/privacy

Best Stamp alternatives for different needs

"Better suited" is based on documented features and pricing, not on a head-to-head test.

Microsoft Copilot: better suited to

Google Gemini: better suited to

Notion AI: better suited to

Alternatives
AlternativeWhen to choose itPricingLimitation
Microsoft Copilot——
Google Gemini——
Notion AI——Compare

Explore Stamp further

Stamp pricing, plan by planEvery plan with USD prices, limits and what is free.Best Stamp alternativesTools for the same job, by need and starting price.Best AI writing and productivity toolsOur picks in this category, compared by price and free tiers.

If you are looking at Stamp

Stamp user reviews

No user reviews yet.

Used Stamp? Be the first to share your experience.

Write a review

Reviews are checked by a moderator before they appear. Your email is never published. Plain text only.

Your rating (required)

Show what you made or what went wrong. Images are published only if the review is approved; location data is removed.

    Stamp FAQ

    How much does Stamp cost?

    Personal is $20 a month for 2 email accounts and Business $50 a month for 5; Enterprise is custom. source (opens in a new tab)

    Is there a free trial?

    Yes, Stamp advertises 30 days free. source (opens in a new tab)

    How does Stamp learn my preferences?

    Through memories, plain-English AI labels and context search of your inbox and calendar. source (opens in a new tab)

    What is Stamp Mode?

    A fast flow where you approve Stamp's drafted replies and changes. source (opens in a new tab)

    Does Stamp have a Windows app?

    Not yet; a Windows app is listed as coming soon. source (opens in a new tab)

    Sources and review methodology

    Official sources and verification dates

    Not verified: Details of the free plan; Email content storage policy; Supported providers on non-Enterprise.

    How we documented and maintain this page

    Every fact about Stamp above comes from the 4 official pages listed here, last compared on Sep 29, 2026; we have not run Stamp ourselves, so it has no editorial score. How we check and re-check pages.

    Article updated Oct 10, 2026; prices checked Sep 29, 2026. Outbound links to vendors are plain links; we do not earn commissions. How we review · Report an error