kitio.aiPeerBie vs SigmaOS
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. PeerBie starts at $10/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
- Tasks and projects
- Goals and OKRs
- Meeting notes to tasks
- AI employees with approval
- Custom workflows
- Claude and ChatGPT access
- Workspaces
- Vertical tabs
- Tabs as tasks
- Split screen
- Lazy Search
- Airis AI companion
| Feature | PeerBie | SigmaOS |
|---|---|---|
| Best for | Team workspace with an AI chief of staff and AI employees | Mac browser with workspaces, tabs as tasks and an AI companion |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | $10/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | PeerBie | SigmaOS |
| Based in | – | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
PeerBie starts at $10/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
Starter
Free
- Up to 5 people
- 3 projects, 1,500 tasks
- Chat, feed and Huddles
Basic
$10/user/mo billed yearly
- Per user
- Unlimited projects
- Goals and OKRs with 20 AI drafts a month
- Unlimited workflows
Pro
$15/user/mo billed yearly
- Per user
- Unlimited tasks
- Unlimited AI goal drafts
- 100 GB storage
- Lucy AI add-on available
Enterprise
Custom
- SAML SSO and SCIM
- White label
- Invoicing and purchase orders
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
PeerBie
- Free plan for up to 5 people
- AI acts only after approval
- Covers tasks, chat and meetings in one place
- Lucy AI costs an extra $20 per user
- Listed prices are annual billing
- Lower tiers cap tasks and storage
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 PeerBie if you want:
- Free plan for up to 5 people
- AI acts only after approval
- Covers tasks, chat and meetings in one place
Watch out: lucy ai costs an extra $20 per user.
Choose SigmaOS if you want:
- Free to download
- Clear tab organization by workspace
- AI answers in the page context
Watch out: mac only.
PeerBie vs SigmaOS FAQ
What is the difference between PeerBie and SigmaOS?
PeerBie: Team workspace with an AI chief of staff and AI employees. SigmaOS: Mac browser with workspaces, tabs as tasks and an AI companion. Both are productivity tools.
Is PeerBie or SigmaOS cheaper?
PeerBie starts at $10/mo and SigmaOS starts at See pricing page. Check both pricing pages for current plans.
Do PeerBie and SigmaOS have free plans?
PeerBie: Yes. SigmaOS: Yes.
Who makes PeerBie?
PeerBie is made by PeerBie.
Who makes SigmaOS?
SigmaOS is made by SigmaOS, based in United States.
Which should I choose, PeerBie or SigmaOS?
Choose PeerBie if you value free plan for up to 5 people and ai acts only after approval. Choose SigmaOS if you value free to download and clear tab organization by workspace.