kitio.aiSuperhuman Mail vs Zero Inbox
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Superhuman Mail starts at See pricing page and Zero Inbox starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Keyboard shortcuts
- AI reply drafts
- Split inbox
- Thread summaries
- Follow-up reminders
- AI grouping of emails
- Bulk delete
- One-click unsubscribe
- Smart filters
- Approval before cleanup
- Google and Microsoft sign-in
| Feature | Superhuman Mail | Zero Inbox |
|---|---|---|
| Best for | Fast, keyboard-driven email client with AI drafts and triage | AI email cleaner that sorts, unsubscribes and asks before deleting |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Superhuman | Zero Inbox |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Superhuman Mail starts at See pricing page and Zero Inbox starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Basic inline suggestions
- Chat with your tabs and apps
- Editable, shareable docs
Pro
₹1,250/mo
- Per member
- Email Assistant drafts and follows up
- Connect Superhuman Mail, Gmail, Slack
- Build custom agents
Business
₹3,299/mo
- Per member
- Connect Jira, Linear, Asana, Zendesk
- More custom agents
Enterprise
Custom
- Connect Salesforce, HubSpot, Workday
- Enterprise security and admin controls
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Superhuman Mail
- Very fast to use
- Good AI drafts
- Works with Gmail and Outlook
- No free plan
- Expensive for casual users
Zero Inbox
- Nothing changes without your approval
- Sign-in via provider, no password sharing
- Unsubscribe actions are tracked
- Pricing not shown on the homepage
- Works only with Google and Microsoft mail
- Free-tier limits not shown
Which one should you choose?
Choose Superhuman Mail if you want:
- Very fast to use
- Good AI drafts
- Works with Gmail and Outlook
Watch out: no free plan.
Choose Zero Inbox if you want:
- Nothing changes without your approval
- Sign-in via provider, no password sharing
- Unsubscribe actions are tracked
Watch out: pricing not shown on the homepage.
Superhuman Mail vs Zero Inbox FAQ
What is the difference between Superhuman Mail and Zero Inbox?
Superhuman Mail: Fast, keyboard-driven email client with AI drafts and triage. Zero Inbox: AI email cleaner that sorts, unsubscribes and asks before deleting. Both are productivity tools.
Is Superhuman Mail or Zero Inbox cheaper?
Superhuman Mail starts at See pricing page and Zero Inbox starts at See pricing page. Check both pricing pages for current plans.
Do Superhuman Mail and Zero Inbox have free plans?
Superhuman Mail: Yes. Zero Inbox: Yes.
Who makes Superhuman Mail?
Superhuman Mail is made by Superhuman, based in United States.
Who makes Zero Inbox?
Zero Inbox is made by Zero Inbox.
Which should I choose, Superhuman Mail or Zero Inbox?
Choose Superhuman Mail if you value very fast to use and good ai drafts. Choose Zero Inbox if you value nothing changes without your approval and sign-in via provider, no password sharing.