Back to Stamp

Alternatives to Stamp

30 tools that compete with or replace Stamp. Ranked by direct product-type match — not generic category overlap.

Last updated
Cross-checked through our multi-step verification ·

Why people look for alternatives to Stamp

The complaints that come up most often in public discussion — reviews, forums and community threads. Not our opinion, and not the vendor's marketing.

  • Complete lack of real user reviews or testimonials in data.
  • Heavy usage caps on lower tiers may frustrate power users.
  • Name collision with many other products causes discoverability issues.
  • No public benchmarks or comparisons with Superhuman/Shortwave.

Drawn from 103 mentions across 7 sources · researched Jul 17, 2026.

In fairness: users also consistently praise ai memory system learns user preferences and contacts over time, and stamp mode enables quick approval of ai-drafted replies with enter. A complaint list is not a verdict — see the full picture on the Stamp page.

Replai

Replai

AI email assistant that drafts replies in your own writing style

FreemiumTry
Jace

Jace

AI email assistant that drafts, organizes, and automates email workflows on top of Gmail and Outlook.

FreemiumTry
Spark Mail

Spark Mail

Spark Mail is a cross-platform AI email client that filters out noise, prioritizes what matters, and helps you collaborate with your team.

FreemiumTry
EffortlessEmail

EffortlessEmail

AI email drafting inside Gmail, powered by Google Gemini.

PaidTry
Shortwave AI Assistant

Shortwave AI Assistant

AI-first email assistant that triages, drafts, and searches your inbox using Claude 4.6 models.

FreemiumTry
Mailbutler

Mailbutler

AI email assistant that adds drafting, tracking, and team tools to your existing Apple Mail, Gmail, or Outlook inbox.

FreemiumTry
Sheldon

Sheldon

Free Chrome AI extension that drafts email, Excel formulas, code, and content in under 5 seconds via ⌘+U.

FreemiumTry
Slashy

Slashy

AI-native email client that drafts in your voice and automates follow-ups

FreemiumTry
Ready to Send

Ready to Send

AI Gmail add-on that auto-drafts replies in your voice for lightning-fast email responses

FreemiumTry
Cora

Cora

AI email assistant that drafts replies, categorizes your inbox, and delivers daily briefs for $20/mo.

PaidTry
Superhuman

Superhuman

Superhuman: AI email, docs, and proactive assistant for speed.

PaidTry
Missive + AI

Missive + AI

AI-powered collaborative team inbox that unifies email, SMS, and social channels into one shared view.

FreemiumTry
Yahoo Mail

Yahoo Mail

Free AI email assistant with compose, summaries, and an automated planner.

FreemiumTry
Shortwave

Shortwave

AI email assistant that automates your inbox with Claude 4.6

FreemiumTry
Canary Mail

Canary Mail

AI email client with on-device processing, PGP encryption, and cross-platform sync for Mac, iOS, Windows, Android.

FreemiumTry
Spike

Spike

AI-powered email app that turns your inbox into a chat-like collaboration hub

FreemiumTry
Mailopoly

Mailopoly

AI-powered unified inbox for email and business channels

PaidTry
Avec

Avec

Free AI email app for Gmail that turns your inbox into a swipeable task list.

FreemiumTry
superReply

superReply

Instant AI email replies for Gmail and Outlook — privacy-first, free to start, 90 replies/month

FreemiumTry
Professionally

Professionally

AI email rewriting tool for tone, grammar, and quick replies across inboxes.

FreemiumTry
AI Email Writer

AI Email Writer

ChatGPT-powered email templates for fast, professional replies.

FreemiumTry
Buzz Mail

Buzz Mail

AI email reply generator for Gmail with pay-per-use credits

FreemiumTry
RPLY

RPLY

Unified AI messaging inbox for macOS, unifying iMessage, WhatsApp, Slack and more.

FreemiumTry
Jetwriter AI

Jetwriter AI

Personalized AI writing assistant with memory for Chrome, desktop & mobile.

FreemiumTry
Drip

Drip

AI sales agent that turns hiring signals into booked meetings for staffing firms

FreemiumTry
Gmail in the Gemini Era

Gmail in the Gemini Era

Gmail's AI overhaul with Gemini-powered thread summaries and inbox search

FreemiumTry
Forage Mail

Forage Mail

AI email assistant for inbox triage and reply drafting, priced for solo users.

FreemiumTry
Scape

Scape

Mac email client that records meetings locally and drafts replies with context from your email and calendar.

FreemiumTry
FollowUpThen

FollowUpThen

Email-based reminder and follow-up assistant that schedules followups by sending an email to a date-based address.

FreemiumTry
OpenAI in HubSpot CRM

OpenAI in HubSpot CRM

Run OpenAI GPT models inside HubSpot workflows to draft emails, score leads, and enrich companies—without leaving the CRM.

FreemiumTry

Frequently asked questions

What are the best alternatives to Stamp?

We currently list 30 alternatives to Stamp: Replai, Jace, Spark Mail, EffortlessEmail, Shortwave AI Assistant. Each is ranked by direct product-type match rather than generic category overlap.

How do you choose which Stamp alternatives to show?

Alternatives are ranked by direct product-type match — tools that do the same job — not by shared category tags. Every listed tool is independently re-verified on a continuous cycle.