kitio.aiReplai vs Zero Inbox
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Replai 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
- Style-matched reply drafts
- Inbox labelling and triage
- Scheduling links
- Meeting notes
- IMAP support
- AI grouping of emails
- Bulk delete
- One-click unsubscribe
- Smart filters
- Approval before cleanup
- Google and Microsoft sign-in
| Feature | Replai | Zero Inbox |
|---|---|---|
| Best for | Email assistant that drafts replies in your own writing style | 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 | Replai | Zero Inbox |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Replai 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
3 plans
Free
Free
- 10 AI drafts per day
- One connected inbox
- 50 short meeting recordings
Pro
$6/mo billed yearly ($72)
- Unlimited AI drafts
- Up to 5 accounts
- Outlook Calendar integration
Team
Custom
- Team seats and admin
- Shared reply identities
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Replai
- Free reply generator with no signup
- Learns your personal tone
- Supports Gmail, Outlook and IMAP
- Free plan capped at 10 drafts a day
- Free meeting recordings limited to 1 minute
- Needs inbox access for full features
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 Replai if you want:
- Free reply generator with no signup
- Learns your personal tone
- Supports Gmail, Outlook and IMAP
Watch out: free plan capped at 10 drafts a day.
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.
Replai vs Zero Inbox FAQ
What is the difference between Replai and Zero Inbox?
Replai: Email assistant that drafts replies in your own writing style. Zero Inbox: AI email cleaner that sorts, unsubscribes and asks before deleting. Both are productivity tools.
Is Replai or Zero Inbox cheaper?
Replai starts at See pricing page and Zero Inbox starts at See pricing page. Check both pricing pages for current plans.
Do Replai and Zero Inbox have free plans?
Replai: Yes. Zero Inbox: Yes.
Who makes Replai?
Replai is made by Replai.
Who makes Zero Inbox?
Zero Inbox is made by Zero Inbox.
Which should I choose, Replai or Zero Inbox?
Choose Replai if you value free reply generator with no signup and learns your personal tone. Choose Zero Inbox if you value nothing changes without your approval and sign-in via provider, no password sharing.