Comparison

Marco vs Stamp Mail

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Marco

Consolidate all your email accounts, including Gmail, iCloud, and Outlook, into a single, unified inbox. Enjoy offline access, lightning-fast performance, and customizable views to organize your communications efficiently. This modern app offers a private and streamlined email management experience.

Highlights
  • Unified inbox for all email accounts
  • Offline email access
  • Customizable email views
  • Native iOS and macOS experience
  • Fast performance
  • Privacy-focused
Read full description

All your email accounts, one fast inbox. Marco is a fast, privacy-first email app that unifies Gmail, iCloud, Outlook, Yahoo, and IMAP accounts into one clean inbox. Works offline, syncs instantly, and runs natively on iPhone, iPad, and Mac. Key features: • Unified inbox for all accounts – Gmail, iCloud, Outlook, Yahoo, Exchange, and any IMAP provider in one place. • Native Apple experience – Built for iPhone, iPad, and Mac with full keyboard shortcuts and system integration. • Works offline – Read, search, and compose without a connection. Everything syncs when you're back online. • Privacy-first email – No tracking, no data selling, no ads. Your emails stay yours. • Instant speed – Opens, searches, and sends faster than default mail apps. • Smart email views – Filter by account, label, or sender. Zero inbox clutter. Tired of slow, bloated email clients? Marco is the lightweight, private alternative to Spark, Superhuman, and Apple Mail — with multi-account support, offline access, and no subscription required.

About

Stamp Mail

This AI-powered email client automates tasks like drafting replies, prioritizing messages, and extracting to-dos. It offers an agent to retrieve information and reorganize your inbox using plain English commands. A special mode allows quick review and approval of automated changes.

Highlights
  • Automated email drafting
  • Email prioritization
  • To-do extraction
  • Email summarization
  • Information retrieval via AI agent
  • Inbox reorganization
  • Approve/reject agent changes
Features
Read full description

Stamp is the AI Email Client that handles your emails for you. Stamp can automatically draft replies, prioritize important emails, extract todos, generate summaries, and more! With Stamp Agent, you can retrieve important information, reorganize your inbox, or perform any other action in plain English. What's more, with Stamp Mode you can quickly swipe through changes the agent made while you were gone, approving or rejecting them. Get started today, and experience what it's like to have your own AI personal secretary. Privacy Policy: https://www.stampmail.ai/privacy Terms of Use: https://www.stampmail.ai/tos

Screenshots

Marco4 screens
Stamp Mail4 screens

Verdict

The call

The clearest difference is rating: Stamp Mail at 5.0 against Marco's 3.7. Stamp Mail also leads on iOS requirement (15.1 vs 17.0). Marco's advantage is in-app purchases (none vs 4) and update cadence (every 2 days vs every 2 weeks). On price, ratings volume, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stamp Mail sells 4 in-app purchases, starting at $20.00 per month. Marco asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stamp Mail holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

UpkeepUpdate frequency

Marco ships an update every 2 days, Stamp Mail every 2 weeks. The most recent releases landed on September 18, 2026 and July 4, 2026 respectively.

Scorecard5 real differences · 5 level
Marco versus Stamp Mail: the parameters behind the verdict, then further details
ParameterMarcoStamp Mail
PriceFreeFree
Rating3.7 (3 ratings)5.0 (3 ratings) — better
Positive reviews12.5% of reviews—
Number of ratings33
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size105 MB76 MB
Age rating4+4+
DeveloperMarco Technology Inc.Stamp AI, Inc.

Customer experience

Marco

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews8 reviews
Positive12.5%
Neutral25.0%
Negative62.5%

Stamp Mail

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Marco

No in-app purchases

4 purchases

Stamp Mail

Subscriptions4
  • Stamp Individual (Monthly)7 Days trial$20.001 Month
  • Stamp Business (Monthly)7 Days trial$50.001 Month
  • Stamp Individual (Annual)7 Days trial$191.991 Year
Show 1 more
  • Stamp Business (Annual)7 Days trial$479.991 Year

Questions

Is Marco free?
Marco is free to download, with no in-app purchases.
Is Stamp Mail free?
Stamp Mail is free to download, with in-app purchases available.
Which has better reviews, Marco or Stamp Mail?
Stamp Mail is rated higher. Marco averages 3.7 out of 5 from 3 ratings, while Stamp Mail averages 5.0 from 3 ratings.
Do Marco or Stamp Mail have ads?
Neither Marco nor Stamp Mail shows ads.
Which is updated more often, Marco or Stamp Mail?
Marco ships an update every 2 days, and Stamp Mail every 2 weeks. Most recently, Marco was updated on September 18, 2026 and Stamp Mail on July 4, 2026.

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