kitio.aiZero Inbox vs GPT Workspace
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Zero Inbox starts at See pricing page and GPT Workspace 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 grouping of emails
- Bulk delete
- One-click unsubscribe
- Smart filters
- Approval before cleanup
- Google and Microsoft sign-in
- =GPT functions in Sheets
- Email drafting in Gmail
- Writing and rewriting in Docs
- Slides from text
- Chat with Drive files
- AI form and quiz builder
| Feature | Zero Inbox | GPT Workspace |
|---|---|---|
| Best for | AI email cleaner that sorts, unsubscribes and asks before deleting | AI assistant inside Gmail, Docs, Sheets, Slides, Drive and Forms |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Zero Inbox | GPT Workspace |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Zero Inbox starts at See pricing page and GPT Workspace starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
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
GPT Workspace
- Covers every main Google app
- No need to switch to a separate chat window
- Localized into many languages
- Only works with Google Workspace
- Plan prices not shown in the evidence
- Needs broad access to your Google data
Which one should you choose?
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.
Choose GPT Workspace if you want:
- Covers every main Google app
- No need to switch to a separate chat window
- Localized into many languages
Watch out: only works with google workspace.
Zero Inbox vs GPT Workspace FAQ
What is the difference between Zero Inbox and GPT Workspace?
Zero Inbox: AI email cleaner that sorts, unsubscribes and asks before deleting. GPT Workspace: AI assistant inside Gmail, Docs, Sheets, Slides, Drive and Forms. Both are productivity tools.
Is Zero Inbox or GPT Workspace cheaper?
Zero Inbox starts at See pricing page and GPT Workspace starts at See pricing page. Check both pricing pages for current plans.
Do Zero Inbox and GPT Workspace have free plans?
Zero Inbox: Yes. GPT Workspace: Yes.
Who makes Zero Inbox?
Zero Inbox is made by Zero Inbox.
Who makes GPT Workspace?
GPT Workspace is made by GPT Workspace.
Which should I choose, Zero Inbox or GPT Workspace?
Choose Zero Inbox if you value nothing changes without your approval and sign-in via provider, no password sharing. Choose GPT Workspace if you value covers every main google app and no need to switch to a separate chat window.