kitio.aiMailbutler vs Inbox AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Mailbutler starts at $5/mo and Inbox AI 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 assistant
- Email tracking
- Send later
- Follow-up reminders
- Templates
- Hotkey voice chat
- Custom assistants
- Email drafting
- Shortcuts and MCP tools
- 13+ AI providers
- On-device AI option
| Feature | Mailbutler | Inbox AI |
|---|---|---|
| Best for | Email add-on for Gmail, Outlook and Apple Mail with an AI assistant | Mac app for voice-driven AI assistants that handle email and tasks |
| Category | Productivity | Productivity |
| Pricing model | Free trial | Paid |
| Starting price | $5/mo | See pricing page |
| Free plan | No, trial available | No |
| Made by | Mailbutler | Inbox AI |
| Based in | Germany | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Mailbutler starts at $5/mo and Inbox AI starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Starter
$5/mo
- Per user
- Basic email tracking
- Signature marketing
Professional
$9/mo
- Per user
- Tailored sending
Smart
$14/mo
- Per user
- Engagement data
Business
$32/mo
- Per user
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
Mailbutler
- Works with Apple Mail
- Many tools in one add-on
- No new client needed
- Add-on can slow the mail app
- AI features use limited credits
Inbox AI
- One-time payment, no subscription
- Bring your own API keys or run locally
- Can trigger actions in other Mac apps
- macOS only
- Price not shown on the homepage
- Needs setup of providers or keys
Which one should you choose?
Choose Mailbutler if you want:
- Works with Apple Mail
- Many tools in one add-on
- No new client needed
Watch out: add-on can slow the mail app.
Choose Inbox AI if you want:
- One-time payment, no subscription
- Bring your own API keys or run locally
- Can trigger actions in other Mac apps
Watch out: macos only.
Mailbutler vs Inbox AI FAQ
What is the difference between Mailbutler and Inbox AI?
Mailbutler: Email add-on for Gmail, Outlook and Apple Mail with an AI assistant. Inbox AI: Mac app for voice-driven AI assistants that handle email and tasks. Both are productivity tools.
Is Mailbutler or Inbox AI cheaper?
Mailbutler starts at $5/mo and Inbox AI starts at See pricing page. Check both pricing pages for current plans.
Do Mailbutler and Inbox AI have free plans?
Mailbutler: No, trial available. Inbox AI: No.
Who makes Mailbutler?
Mailbutler is made by Mailbutler, based in Germany.
Who makes Inbox AI?
Inbox AI is made by Inbox AI.
Which should I choose, Mailbutler or Inbox AI?
Choose Mailbutler if you value works with apple mail and many tools in one add-on. Choose Inbox AI if you value one-time payment, no subscription and bring your own api keys or run locally.