kitio.aiSmartsheet vs SigmaOS
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Smartsheet starts at $12/mo and SigmaOS 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
- Smartsheet AI
- Grid, Gantt and Kanban views
- Portfolio dashboards
- Automations
- Resource planning
- Intake and approval workflows
- Workspaces
- Vertical tabs
- Tabs as tasks
- Split screen
- Lazy Search
- Airis AI companion
| Feature | Smartsheet | SigmaOS |
|---|---|---|
| Best for | Work management platform with AI for projects and portfolios | Mac browser with workspaces, tabs as tasks and an AI companion |
| Category | Productivity | Productivity |
| Pricing model | Free trial | Freemium |
| Starting price | $12/mo | See pricing page |
| Free plan | No, trial available | Yes |
| Made by | Smartsheet | SigmaOS |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
Smartsheet starts at $12/mo and SigmaOS starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Pro
$12/mo
- Per member
- 1-10 members, unlimited contributors
- Conversational AI features
- 250 automations per month
Business
$24/mo
- Per member
- 3+ members
- Unlimited guests and contributors
Enterprise
Contact sales
- 10+ members
- Scenario planning
- SAML-based SSO
Advanced Work Management
Contact sales
- Control Center
- Dynamic View
- Data Shuttle connectors
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
Smartsheet
- Familiar spreadsheet interface
- Many views for the same data
- Portfolio-level visibility
- No free plan, only a trial
- Priced per member
- Advanced features need Enterprise tiers
SigmaOS
- Free to download
- Clear tab organization by workspace
- AI answers in the page context
- Mac only
- Takes getting used to after Chrome
- Pricing for extras not shown
Which one should you choose?
Choose Smartsheet if you want:
- Familiar spreadsheet interface
- Many views for the same data
- Portfolio-level visibility
Watch out: no free plan, only a trial.
Choose SigmaOS if you want:
- Free to download
- Clear tab organization by workspace
- AI answers in the page context
Watch out: mac only.
Smartsheet vs SigmaOS FAQ
What is the difference between Smartsheet and SigmaOS?
Smartsheet: Work management platform with AI for projects and portfolios. SigmaOS: Mac browser with workspaces, tabs as tasks and an AI companion. Both are productivity tools.
Is Smartsheet or SigmaOS cheaper?
Smartsheet starts at $12/mo and SigmaOS starts at See pricing page. Check both pricing pages for current plans.
Do Smartsheet and SigmaOS have free plans?
Smartsheet: No, trial available. SigmaOS: Yes.
Who makes Smartsheet?
Smartsheet is made by Smartsheet, based in United States.
Who makes SigmaOS?
SigmaOS is made by SigmaOS, based in United States.
Which should I choose, Smartsheet or SigmaOS?
Choose Smartsheet if you value familiar spreadsheet interface and many views for the same data. Choose SigmaOS if you value free to download and clear tab organization by workspace.