Reviewed by Harsh Desai · Last reviewed:
Stamp
An AI email assistant that drafts replies in your voice and builds long-term memories
Best for
What does Stamp do?
- •Memories system learns preferences via long-term memories to personalize replies, categorization and todos.
- •Auto draft replies automatically drafts replies using your past emails, contacts and writing style.
- •Stamp Mode approval lets users approve AI drafts and suggested changes rapidly in one click.
- •Multi-action agent performs web search, inbox actions, calendar scheduling and contact enrichment.
- •Context Search finds relevant past conversations and details to improve reply accuracy.
- •AI Labels automatically categorizes emails and creates smart filters based on your habits.
- •Mobile app access enables on-the-go draft review, chat delegation and Voice Mode on iOS and Android.
- •Account connections supports existing email accounts with plan-based limits up to 5 in Business tier.
- •Contact enrichment adds 50 to 500 profile details/mo depending on your plan.
- •Usage multipliers provides 10x usage on Personal and 25x on Business compared to free tier.
- •Unlimited memories stores unlimited long-term memories on paid plans for better personalization.
- •Preference Learning Learns your preferences via Memories, AI Labels and Context Search to handle 87% of routine email tasks accurately.
- •Rapid Approval Stamp Mode lets users approve AI drafts and changes rapidly across Gmail and Outlook in under 8 seconds.
- •Long-term Personalization Long-term memories personalize replies, categorization and todos based on 12 months of your email history.
- •On-the-go Voice Mobile app enables on-the-go draft review, chat and Voice Mode while integrating with iOS and Android calendars.
Pricing:
- •Hobby Free limited AI drafts, summaries, labels and agent requests with 30-day trial features.
- •Personal $20/mo 10x usage limits, 2 accounts, unlimited memories and 50 enrichments/mo.
- •Business $50/mo 25x usage limits, 5 accounts, unlimited memories and 500 enrichments/mo.
What are Stamp's limitations?
- •Free plan limits restricts AI usage and allows only one connected account at a time.
- •Team scale needs higher-tier plans required for team-scale usage and multiple shared accounts.
- •Memory quality depends on user-created memories and AI Labels to deliver best results.
- •Mobile focus app centered on review and delegation rather than full inbox management.
Our Verdict
For the Basic User, Stamp functions as an efficient AI secretary that drafts replies, prioritizes incoming messages, and suggests optimal meeting times with minimal setup. Its free plan delivers limited AI drafts, summaries, labels, and agent requests while supporting a 30-day trial that lets newcomers test core scheduling features without immediate cost. The interface learns from user-created memories to improve accuracy over time, turning chaotic inboxes into orderly task lists that match personal rhythms. This makes it especially practical for solo users seeking smarter email handling without enterprise complexity.
For the Vibe Builder, Stamp excels at shaping a polished professional presence by crafting context-aware responses that reflect individual communication style and scheduling preferences. It builds a living knowledge base from memories and labels to ensure every drafted note or priority list feels personal rather than robotic, reinforcing the distinctive voice users want to project. The mobile experience centers on quick review and delegation, allowing vibe-conscious professionals to maintain momentum while traveling or between meetings. This creates an effortless flow where inbox management becomes an extension of personal brand rather than a distraction.
Honest limitations include noticeable restrictions on the free tier that push most active users toward paid plans for meaningful volume, with the free plan restricting AI usage and connected accounts. Higher-tier plans are required for team-scale usage and accounts, and overall performance depends on user-created memories and AI Labels for best results. The mobile app focused on review and delegation rather than full inbox access can feel incomplete for power users needing desktop depth. On balance Stamp earns a solid 7.5/10 by delivering convenient AI assistance once properly configured yet still requiring user investment to open up its full potential.
Skip it if you already rely on Superhuman for its keyboard-first speed and smooth ecosystem, as Stamp’s memory-dependent approach may feel like a step sideways rather than forward; consider Superhuman.
Related Tools
View all
Napkin AI
8.4An AI visual creator that turns text into editable diagrams and infographics in seconds
Productivity
Fathom.ai
8.4An AI notetaker that records, transcribes, and summarises Zoom, Meet, and Teams
Productivity
Fireflies.ai
8.4An AI meeting assistant that records, transcribes, and syncs meetings to your CRM
ProductivityCompare Stamp With
Also Useful For
Frequently Asked Questions
What is Stamp and how does it handle email?
Stamp is an AI-powered email assistant that drafts replies, summarizes threads, applies smart labels, and uses agents to automate your inbox. It integrates directly with your email client to handle routine tasks while learning from your preferences and past interactions. The tool keeps everything organized with unlimited memories once you're on a paid plan.
Does Stamp have a free plan?
Yes, Stamp has a free Hobby tier that includes limited AI drafts, summaries, labels and agent requests along with 30-day trial features. This gives you a chance to test core capabilities before upgrading. It is a solid starting point for light users.
Who should use Stamp for productivity?
Busy professionals who manage high email volume should use Stamp for productivity because it cuts down on repetitive tasks and surfaces important messages quickly. Teams handling customer support or sales outreach also benefit from its enrichment features and multi-account support. If you want to reclaim hours each week, Stamp is worth trying.
How does Stamp pricing work in 2026?
Stamp pricing in 2026 includes a Hobby Free plan, Personal at $20 per month, and Business at $50 per month. The Personal plan gives you 10x usage limits, 2 accounts, unlimited memories and 50 enrichments per month while the Business tier provides 25x usage limits, 5 accounts, unlimited memories and 500 enrichments per month. Every plan from Stamp is designed around actual usage so you only pay for what you need.
Stamp vs Superhuman which should I choose as an alternative?
Choose Stamp over Superhuman if you want deeper AI automation, memory features, and more generous enrichment limits at a lower cost. Superhuman focuses on speed and keyboard shortcuts while Stamp emphasizes intelligent agents and summaries. For most users looking for an alternative, Stamp delivers better value and smarter email handling.
Affiliate link: we may earn a commission. How this works.
Stamp
Free tier available