kitio.aiShortwave vs Zero Inbox
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Shortwave starts at $30/mo 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
- AI email search
- Reply drafting
- Bundles and reminders
- Team inboxes
- Agent tasks
- AI grouping of emails
- Bulk delete
- One-click unsubscribe
- Smart filters
- Approval before cleanup
- Google and Microsoft sign-in
| Feature | Shortwave | Zero Inbox |
|---|---|---|
| Best for | AI-first email client for Gmail with search and agent features | AI email cleaner that sorts, unsubscribes and asks before deleting |
| Category | Productivity | Productivity |
| Pricing model | Free trial | Freemium |
| Starting price | $30/mo | See pricing page |
| Free plan | No, 14-day trial | Yes |
| Made by | Shortwave | Zero Inbox |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Shortwave starts at $30/mo and Zero Inbox starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Business
$30/mo
- Per seat
- Standard intelligence
- 5 years AI search history
- 3 AI-powered filters
Premier
$45/mo
- Per seat
- Advanced intelligence, 2x AI usage
- Unlimited AI search history
- 10 AI-powered filters
Max
$120/mo
- Per seat
- Expert intelligence, 6x AI usage
- 50 AI-powered filters
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
Shortwave
- Excellent AI search over email
- Clean, fast interface
- Strong team features
- Gmail only
- No permanent free plan
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 Shortwave if you want:
- Excellent AI search over email
- Clean, fast interface
- Strong team features
Watch out: gmail only.
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.
Shortwave vs Zero Inbox FAQ
What is the difference between Shortwave and Zero Inbox?
Shortwave: AI-first email client for Gmail with search and agent features. Zero Inbox: AI email cleaner that sorts, unsubscribes and asks before deleting. Both are productivity tools.
Is Shortwave or Zero Inbox cheaper?
Shortwave starts at $30/mo and Zero Inbox starts at See pricing page. Check both pricing pages for current plans.
Do Shortwave and Zero Inbox have free plans?
Shortwave: No, 14-day trial. Zero Inbox: Yes.
Who makes Shortwave?
Shortwave is made by Shortwave, based in United States.
Who makes Zero Inbox?
Zero Inbox is made by Zero Inbox.
Which should I choose, Shortwave or Zero Inbox?
Choose Shortwave if you value excellent ai search over email and clean, fast interface. Choose Zero Inbox if you value nothing changes without your approval and sign-in via provider, no password sharing.