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MailOS vs Zapier
Short answer: Pick MailOS if you want AI-driven inbox summarization; pick Zapier if you want AI-enabled workflow automation. MailOS is free; Zapier has a free plan, paid from $19.99/month.
Which to pick
Pick MailOS if you want…
- AI-driven inbox summarization
- A free, open-source tool
- Integrations with Gmail, Google Cloud Pub/Sub or Gmail Watch API (on MailOS's list, not Zapier's)
Pick Zapier if you want…
- AI-enabled workflow automation
- Cross-app automation
- Integrations with Claude, ChatGPT or Cursor (on Zapier's list, not MailOS's)
Side by side
- What it is
- MailOS:MailOS adds AI-powered classification, grouping and daily digests to Gmail without modifying emails.
- Zapier:Zapier is a no-code platform that lets you build, run and govern AI-driven automated workflows across 9,000+ apps.
- Best for
- MailOS:AI-driven inbox summarization
- Zapier:AI-enabled workflow automation
- Who it’s for
- MailOS:Professionals overwhelmed by email who use Gmail.
- Zapier:Teams and businesses that need to automate tasks without coding.
- Pricing
- MailOS:Free
- Zapier:Freemium
- Starting price
- MailOS:Free
- Zapier:$19.99/month (Professional)
- Free plan or trial
- MailOS:Free to use
- Zapier:Free plan (Free)
- Plans
- MailOS:Starter $0/month per month · Pro $0/month per month · Premium $0/month per month
- Zapier:Free $0/month · Professional $19.99/month per month · Team $69/month per month
- Open source
- MailOS:Yes, 0 GitHub stars
- Zapier:—
- Works with
- MailOS:Gmail, Google Cloud Pub/Sub, Gmail Watch API
- Zapier:Claude, ChatGPT, Cursor, 9,000+ apps
MailOS 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.
Zapier features
- AI tool connections. Securely connect Claude, ChatGPT, Cursor and 230+ other AI tools to your apps.
- Next-Gen Zaps. Create workflows with advanced logic, self-healing agents and automatic recovery.
- Governance & security. Granular permissions, SOC 2/3, GDPR, CCPA compliance and single-click workflow disabling.
- Unlimited app integrations. Access to 9,000+ apps with no passwords or API keys required.
- Visual no-code editor. Drag-and-drop builder for multi-step Zaps, Tables and Forms.
- Shared task pool. All Zap, AI, code and MCP actions draw from a single task allocation.
MailOS vs Zapier FAQ
What is the difference between MailOS and Zapier?+
Zapier connects many apps but requires manual rule setup; MailOS provides AI-driven email rules automatically.
Should I use MailOS or Zapier?+
Pick MailOS if you want AI-driven inbox summarization, a free, open-source tool or integrations with Gmail, Google Cloud Pub/Sub or Gmail Watch API (on MailOS's list, not Zapier's). Pick Zapier if you want AI-enabled workflow automation, cross-app automation or integrations with Claude, ChatGPT or Cursor (on Zapier's list, not MailOS's).
Is MailOS or Zapier free?+
MailOS is free. Zapier has a free plan; paid plans start at $19.99/month (Professional).
Which is cheaper, MailOS or Zapier?+
MailOS is free, so it costs less. Zapier starts at $19.99/month (Professional).
Is MailOS or Zapier open source?+
MailOS is open source (miteshrvasoya/MailOS on GitHub). DevHunt has no public source repository on record for Zapier.
Do MailOS and Zapier integrate with the same tools?+
Their integration lists don't overlap: MailOS lists Gmail, Google Cloud Pub/Sub and Gmail Watch API; Zapier lists Claude, ChatGPT, Cursor and 9,000+ apps.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.