kitio.aiUBOS vs Revdoku
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. UBOS starts at See pricing page and Revdoku starts at $4.99/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Multi-agent system builder
- 1,000+ API integrations
- Drag-and-drop web apps
- Agent template marketplace
- Source code export
- Bring your own cloud
- Mailboxes for agents
- Attachment storage
- Spam filtering
- Audit log
- API, MCP and CLI
| Feature | UBOS | Revdoku |
|---|---|---|
| Best for | Low-code platform for building and hosting multi-agent AI systems | Email inboxes with file storage for AI agents, via API and MCP |
| Category | Agents & automation | Agents & automation |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $4.99/mo |
| Free plan | Yes | Yes |
| Made by | UBOS | Revdoku |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
UBOS starts at See pricing page and Revdoku starts at $4.99/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- Free server
- Up to 3 seats
Production Server
~$0.02 / hour
- 2 vCPU, 4 GB RAM
- Dedicated instance
- $15 credits included
Startup
$39/mo billed yearly
- Team features for startups
Team
$89/mo billed yearly
- Role-based access controls
Enterprise
$149/mo billed yearly
- Dedicated support
- Bring your own cloud
4 plans
Free
Free
- 3 mailboxes
- 3,000 incoming emails a month
- 500 sent emails a month
Starter
$4.99/mo
- Custom email domain
- 5,000 incoming emails a month
- 50,000 AI credits a month
Standard
$9.99/mo
- 10 mailboxes
- 100,000 AI credits a month
- Offer price, normally $19.99
Business
$24.99/mo
- 125 mailboxes
- 4 sub-accounts
- Offer price, normally $49.99
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
UBOS
- Free server to start
- Export your source code
- Can run on your own cloud
- Listed plan prices are annual
- Pricing mixes plans and hourly servers
- Broad platform takes time to learn
Revdoku
- Free tier with three mailboxes
- Works with several AI tools at once
- Every agent action is logged
- Free mailboxes may be deleted after 60 days idle
- Custom domains need a paid plan
- Current low prices are limited-time offers
Which one should you choose?
Choose UBOS if you want:
- Free server to start
- Export your source code
- Can run on your own cloud
Watch out: listed plan prices are annual.
Choose Revdoku if you want:
- Free tier with three mailboxes
- Works with several AI tools at once
- Every agent action is logged
Watch out: free mailboxes may be deleted after 60 days idle.
UBOS vs Revdoku FAQ
What is the difference between UBOS and Revdoku?
UBOS: Low-code platform for building and hosting multi-agent AI systems. Revdoku: Email inboxes with file storage for AI agents, via API and MCP. Both are agents & automation tools.
Is UBOS or Revdoku cheaper?
UBOS starts at See pricing page and Revdoku starts at $4.99/mo. Check both pricing pages for current plans.
Do UBOS and Revdoku have free plans?
UBOS: Yes. Revdoku: Yes.
Who makes UBOS?
UBOS is made by UBOS.
Who makes Revdoku?
Revdoku is made by Revdoku.
Which should I choose, UBOS or Revdoku?
Choose UBOS if you value free server to start and export your source code. Choose Revdoku if you value free tier with three mailboxes and works with several ai tools at once.