Tech & Product Updates
Offline-First Landscape
When we set out to build Marco, we knew we were committing to two very difficult requirements: IMAP-based (not API-based), and cross-platform. We drastically underestimated the complexity of offline-first.
Isaac Hinman
Marco: An Introduction
This post is technical in nature, and is the beginning of a series of technical discussions about the world of email, creating Marco, and more.
Isaac Hinman
I Analysed 708 Negative App Store Reviews of Email Apps — Here’s What People Actually Want
I read every 1-star and 2-star App Store review for the top email apps. The complaints cluster into a handful of categories that most clients keep ignoring.
Isaac Hinman
Why I Built an Email Client in 2025 as a Solo Dev
Building an email client is one of the worst ideas in software. The graveyard is full of beautiful, well-funded attempts that died within two years. I did it anyway. Here is why.
Isaac Hinman
The Real Cost of Free Email Apps
"If you are not paying, you are the product" has become a cliche people dismiss. But the economics of free email are specific, documented, and worth understanding before you choose a client.
Isaac Hinman
How IMAP Actually Works (And Why It Matters for Privacy)
IMAP is the protocol that connects email clients to email servers. Understanding how it works, and where your data goes along the way, explains why privacy varies so much between clients.
Isaac Hinman
Marco vs Gmail: Keep Your Address, Ditch the Interface
You do not need to leave Gmail to stop using Gmail. Marco connects to your @gmail.com address over IMAP. You keep your mail, your contacts, and your address. You lose the ads and the interface.
Marco Team
Marco vs Hey: Two Different Answers to Email Frustration
Hey reimagines email with an opinionated workflow and its own email address. Marco works with your existing address and any provider. The right choice depends on how much you want email to change.
Marco Team
Spark Mail Privacy: What Actually Happens to Your Email
Spark routes your email through Readdle's servers for collaboration and AI features. Here is what that means for your data, based on their architecture and privacy policy.
Isaac Hinman
Marco vs Canary Mail: Two Privacy-First Clients, Different Approaches
Canary Mail and Marco both lead with privacy. Canary offers PGP encryption and an AI Copilot. Marco offers offline-first architecture and intentional simplicity. Choose based on which kind of privacy matters more to you.
Marco Team
Marco vs Thunderbird: Modern Paid Client vs Free Open-Source Veteran
Thunderbird is free, open-source, and endlessly configurable. Marco is paid, opinionated, and designed for speed. The right choice depends on what you value more: control or polish.
Marco Team
How to Manage Multiple Email Accounts Efficiently
This is a process-first guide. Use the 30-minute setup sequence first, then layer rules and weekly maintenance to keep multi-account overhead low.
Marco Team
5 Steps to Simple Email Management
We cut inbox overhead by simplifying decisions, not adding tools. These five steps are the shortest stable system we have found for everyday email management.
Marco Team
Why You Need Offline Email Access
Offline email is not a nice-to-have for heavy users. It is a reliability requirement. Start with symptoms, then implement local-sync workflow in one session.
Marco Team
Outlook vs. Marco: Which Email Client Is Best?
This comparison starts with scenario fit, not feature checklist. Use it if you are deciding between Microsoft ecosystem depth and a faster, cleaner multi-provider workflow.
Marco Team
What Most Email Clients Get Wrong About IMAP
After testing provider behavior across real accounts, one pattern is clear: IMAP is hard, but API shortcuts create their own lock-in and privacy costs.
Isaac Hinman
Why Is Apple Mail Search So Bad?
If Apple Mail search feels random, you are not imagining it. Start with symptoms, then diagnose architecture, then pick the shortest fix path.
Isaac Hinman
Marco vs Superhuman
Superhuman is premium speed software. Marco targets speed plus offline reliability at lower annual cost. Use this guide if you need a practical decision framework, not feature theater.
Marco Team
Email Is Not Broken. Email Clients Are.
After building and testing modern email clients at protocol depth, our view is simple: email itself works. Most pain comes from product decisions layered on top of it.
Isaac Hinman
Marco vs Spark
Marco and Spark are both modern, fast clients, but they are built for different jobs. Decide based on workflow first: individual privacy workflow or collaborative inbox workflow.
Marco Team
7 Best Gmail Alternatives in 2026
We re-tested seven Gmail alternatives with real multi-account inboxes. This guide starts with workflow fit, then gives the shortest path to switch without losing mail.
Marco Team
Marco vs Apple Mail
Most Apple Mail switch requests follow the same pattern: search misses, account juggling, and no web access. This guide starts from symptoms and ends with a migration path.
Marco Team