MailOS
AI-powered inbox intelligence
SubscriptionEmailsWorkflow automation983 impressionslaunches Aug 10
More Emails tools →74 free dev tools →
MailOS adds AI-powered classification, grouping and daily digests to Gmail without modifying emails.
- for
- Professionals overwhelmed by email who use Gmail.
- pricing
- free
- license
- open source
Key features
- AI Classification — Analyzes each email for intent, urgency, category and importance within seconds.
- Smart Grouping — Automatically clusters newsletters, promos and other categories out of the main view.
- Daily Digest — Generates a scannable 2-minute summary of important emails each morning.
- Task Extraction — Pulls action items, deadlines and follow-up cues from email bodies.
- Real-time Push — Uses Gmail Watch API and Pub/Sub to process emails instantly, no polling.
- AI Rule Creator — Creates email rules from plain-English descriptions or pre-built templates.
Use cases
- Get a quick morning overview of critical emails in two minutes.
- Automatically group newsletters and promotional messages to reduce clutter.
- Extract invoices, meeting requests and deadlines for task tracking.
- Set up plain-English rules to label or archive specific email types.
- Receive real-time push notifications for high-priority messages.
MailOS pricing
- Starter$0/month/monthUp to 1,000 emails/month · Smart AI grouping · Weekly digest summary · Basic AI classification
- Pro$0/month/monthUnlimited emails processed · All Starter features · Daily AI digest · Custom filtering rules
- Premium$0/month/monthAll Pro features · Advanced AI learning & adaptation · Create calendar events automatically · Multiple custom digests
MailOS vs alternatives
 MailOS |  n8n |  Zapier |  Inbox Zero | ||
|---|---|---|---|---|---|
| Best for | AI-driven inbox summarization | No-code workflow automation | Cross-app automation | Inbox cleanup | Transactional email API |
| Pricing | Free | Subscription | Subscription | Subscription | Subscription |
| DevHunt upvotes | 1 | 0 | 0 | 18 | 0 |
| Launched | Aug 2027 | — | — | Jan 2024 | — |
- MailOS vs n8n: n8n is a general workflow automation platform, while MailOS focuses specifically on AI email management.
- MailOS vs Zapier: Zapier connects many apps but requires manual rule setup; MailOS provides AI-driven email rules automatically.
- MailOS vs Inbox Zero: Inbox Zero is an open-source inbox cleanup tool; MailOS adds AI classification and real-time digests on top of Gmail.
- MailOS vs Resend: Resend is an email API for sending messages, whereas MailOS only reads and organizes incoming Gmail messages.
MailOS FAQ
Is MailOS really free right now?+
Yes, during the launch period every plan and all features are completely free with no credit card required.
Will I be charged after the free period ends?+
No, you will be notified before any pricing changes and will never be charged without explicit consent.
Which plan should I pick?+
Since all plans are free, the recommendation is to start with Premium to get the full feature set.
Is my email data secure?+
MailOS uses read-only Gmail access with AES-256 encryption, never stores full email content and cannot send or delete emails.
Do I need to migrate my emails?+
No, MailOS works as a read-only layer on top of Gmail, so your inbox stays where it is.
Summarized by DevHunt from mail-os.vercel.app · Oct 15, 2026. Details may change; check the official site.
