A fast, private email client for Gmail, Outlook, iCloud, and IMAP.Offline-first on Mac, iPhone, and the web.And it never writes for you.
AI is making email less human
Email should carry a person’s thoughts, not an agent’s output.
AI features are turning conversation into content.
Gmail ads cluttering my inbox, and Outlook is an unusable mess. Switched to Marco last month. Fast, clean, works offline. Genuinely can't believe I waited this long.
Synthetic voices
AI drafts and rewrites make every sender sound polished, efficient, and the same.
Private words, processed
AI features process conversations that were meant for the people in them.
More mail, less meaning
When software can write endlessly, your attention pays the price.
We analysed 708 negative App Store reviews of email apps before building Marco. Read what people actually want
Everything email needs. Nothing that speaks for you.
Private, offline-first, and yours to write.
Privacy first
No ads, no email trackers, no data mining. Your emails stay yours.
Offline first
Full access to your emails without an internet connection.
Human by design
No AI drafts, rewrites, summaries, or replies. Your voice stays yours.
Multi-account
Gmail, Outlook, Yahoo, and iCloud. All your accounts in one place.
Encrypted everywhere
AES-256 at rest and TLS 1.2+ in transit. Always.
Cross-platform
macOS, iOS, and web. Seamless sync across all your devices.
Tasks from email
Turn an email, or any line in it, into a task with a due date.
Snooze
Bring an email back later today, tomorrow, or whenever you choose.
Loved by people who care about their inbox
“Marco is the best email client I have ever used. The fact that it works offline is a game-changer for someone who travels as much as I do.”
Priya Nair
Designer
“Finally, an email client that respects my privacy. The interface is beautiful, fast, and doesn't get in my way. Exactly what I wanted.”
David M.
Product Designer
“I've tried every email client out there. Marco supports all my accounts without getting in the way. It just works.”
Alex K.
Software Engineer
What Marco leaves out matters
Compare AI, privacy, offline access, price, and provider support across leading email clients. Last updated September 2026.
| Superhuman | Canary Mail | Spark Mail | Marco | |
|---|---|---|---|---|
| Pricing | $25–40/mo | Free – $10/mo | Free – $20/mo | Free forever |
| Providers | Gmail + Outlook only | IMAP + Exchange | All providers | All providers |
| Platforms | Mac, iOS, Android, Chrome | Mac, iOS, Android, Win | Mac, iOS, Android, Win | macOS, iOS, Web |
| Privacy | AI processes email on third-party servers | End-to-end encryption, PGP, local AI | Server-side processing | No scanning, no tracking, offline-first |
| AI Features | Heavy (summarize, draft, auto-labels) | AI Copilot (optional) | +AI (writing, summaries, quota-limited) | Intentionally none |
| Offline | Limited | Yes | Limited | Full offline-first |
| Free access | No free tier | Free tier | Free tier | Free forever |
Pricing
Providers
Platforms
Privacy
AI Features
Offline
Free access
Simple, transparent pricing
One plan to get started. No hidden fees, no surprises.
Marco
Everything you need to get started.
- Unlimited email accounts
- Offline access
- Privacy-first architecture
- Cross-platform sync
- Smart search
- Custom labels & filters
Pro
For power users who want more.
- Everything in Marco
- Priority support
- Custom domains
- Team collaboration
- API access
Free forever, with no ads and no selling your data. The optional Pro plan will fund Marco.
Common questions, answered
Keep email human
Marco leaves the writing to you. Private, offline-first, and free forever.