Pricing
Pay once. Keep it.
Knowtarium is $20, one-time, with every feature included. While pre-orders are open, it's $10.
Pre-order price
$10$20
One-time. Half price while pre-orders are open, then $20 at launch.
- Every bundle, with the graph, trust and freshness on every document
- Diffs of every change, from agents and from you
- Approve, reject and comment on agent changes
- Edit documents yourself, with an agent checking each edit against connected documents
- Review queues, and the runner for attested computations
- The built-in MCP server, for agents in chat apps
- The Obsidian migration skill
- Every 1.x update
How pre-orders work
From checkout to your first review.
Pre-ordering locks in the lower price. Your key is yours from the moment you pay.
- 01
Pre-order
Pay $10 once through our checkout. Paddle handles the payment, the invoice and VAT.
- 02
Get your key
Your license key arrives by email right away. Keep that email.
- 03
Download at launch
When the app is released, we email you the download links for macOS, Windows and Linux.
- 04
Activate in one click
The button in the email opens the app and activates it on that computer, once, online. After that it works offline, on up to 2 computers and for every 1.x version.
Pricing FAQ
Questions about paying.
What does the pre-order price include?
The same full license as the $20 one, for $10. Every feature is included; there are no tiers.
Is there a free trial?
No. Knowtarium is a one-time purchase, and pre-orders are half price.
How many computers can I use it on?
Up to 2 computers you use yourself. To move your license to a new computer, deactivate the old one in the app's settings, or email us if it's gone.
What if I lose my key?
Use the “resend my key” form with the email you bought with, and we'll send it again.