Second-brain and note apps
Products that store what you read and learn, then let an assistant recall it on demand. The name describes the product in two words.
Knowledge AIPremium .si domain for sale
brainbank.si is for sale
A memory bank for machines and the people who use them. Its .ai twin is priced at $399,999, and several startups already trade as BrainBank on longer, weaker domains. Brain plus bank is two words a five-year-old can spell.
Buy now price, or make an offer. Paid only through Escrow.com.
01The name
What brainbank.si means
A brain bank is a store of knowledge you can draw on later. In medicine the phrase also names the tissue banks that support neuroscience research, so it already sounds familiar and serious. Read as brainbank.si, it becomes a bank for super intelligence: the place where memories, notes and context are kept for an AI to use.
Memory is the part of super intelligence people actually notice: an assistant that remembers. The .si ending turns a plain English phrase into a brand that reads as the SI brain bank.
02Who it's for
Who should buy brainbank.si
The name fits these buyers best. If you're one of them, it's the shortest, clearest way to own the phrase in the super intelligence era.
AI memory infrastructure
Teams building long-term memory for agents and chatbots, the layer that lets a model remember a user from one session to the next.
Companies already called BrainBank
Startups trading as BrainBank on longer domains can move to a short name that matches their brand exactly.
03Ideas
What you could build on brainbank.si
Three businesses the name suits on day one. Each works as a product name, a company name or a redirect to an existing site.
Second-brain app
Capture notes, links and voice memos, then ask questions across everything you've saved.
brainbank.si
AI memory layer
An API that gives any chatbot a memory of past conversations and user preferences.
brainbank.si
Team knowledge base
A company wiki that answers staff questions from the documents it already holds.
brainbank.si
04Demand
Search demand and ad value for "brain bank"
What people search and what advertisers pay tells you how much the words themselves are worth.
| Measure | Value | Source |
|---|---|---|
| Searches a month, worldwide | 1,600 | Keywords Everywhere |
| Searches a month, US | 480 | SEMrush |
| Ranking difficulty, US | 43 / 100 | SEMrush |
| Top cost per click | $9.71 | Keywords Everywhere or SEMrush US |
- A difficulty of 43 is winnable with steady content and a handful of good links, but it won't happen by itself.
- Advertisers pay $9.71 a click because this traffic turns into customers. That's the clearest sign the name has commercial value.
Checked 26 September 2026. Volumes are estimates from each tool and differ between them.
05Price
brainbank.si next to its .ai and .com twins
The same two words on other extensions are held or listed by other owners. These are their public asking prices, not completed sales.
.combrainbank.comHeld since 1995no live site
.aibrainbank.ai$399,999Spaceship, registered Dec 202594% less for the .si
.sibrainbank.si$24,500Available now from the ownerEscrow.com checkout
06Why .si
Why the .si version works for this name
Memory is the part of super intelligence people actually notice: an assistant that remembers. The .si ending turns a plain English phrase into a brand that reads as the SI brain bank. Since 22 September 2026, US government documents call AI "super intelligence", and .si is the only extension that says SI.
- 9letters before .si
- 2plain English words
- 0hyphens or numbers
- 1 daytypical offer reply
07Honest view
What to know before you buy brainbank.si
Every domain has trade-offs. These are the ones that apply here, so there are no surprises after you pay.
- It's a country domain. .si belongs to Slovenia and Google treats it that way, so brainbank.si works best as a brand or product name, not a pure SEO play in English.
- The SI term is new. "SI" is official US government language, but the AI industry hasn't adopted it (yet). You're buying early, with the upside and the risk that brings.
- ID rules apply. The .si registry requires owner details that match your ID documents, an EU security rule (NIS2).
08Buying
How buying brainbank.si works
No broker and no marketplace in the middle, just you, me and Escrow.com.
- Buy now or send an offerUse the form below. You'll get a personal reply within a day.
- Pay Escrow.comI open the transaction and you pay escrow, never a stranger's bank account.
- Receive brainbank.siYou get the authorisation code and move the domain to your own registrar, usually in 1 to 5 days.
- Escrow releases paymentOnly after you confirm the domain is in your account.
What's included
- The domain brainbank.si, transferred to you
- DNS proof of ownership before you pay, if you want it
- Help with the transfer until it's done
- No website, content or trademark comes with it, so you start clean
09FAQ
Questions about brainbank.si
Something else?
Email me and you'll get a straight answer, usually the same day.
hello@aidomains.siHow much is brainbank.si?
$24,500 as a Buy now price. Escrow.com's fee is agreed between us before you pay.
Can I make an offer on brainbank.si?
Yes. Use the offer form on this page. I read every offer myself and reply within a day with a yes, a counter-offer or a no.
Is brainbank.si connected to a medical brain bank?
No. It's a fresh registration with no history, no website and no link to any research institution. You'd get a clean name to build your own brand on.
Why is brainbank.si the most expensive name here?
Its .ai twin is listed at $399,999, the highest .ai price in this portfolio, and US advertisers pay $9.71 a click for the phrase on SEMrush. Even so, the .si asks about 6% of that .ai listing.
How do I pay for brainbank.si?
Only through Escrow.com. You pay escrow, not me, and the money's released only after the domain is in your account.
How long does the transfer take?
Usually 1 to 5 days after escrow confirms your payment. You'll get the .si authorisation code and move the domain to your own registrar.
What does brainbank.si cost to renew?
Standard .si renewals run roughly $17 to $30 a year depending on the registrar. There's no premium renewal fee on this name.
How do I know you own brainbank.si?
The registry record is public, and I'll add a DNS TXT record with your name to brainbank.si on request, which only the owner can do.
10Buy or make an offer
Make brainbank.si yours
Buy it at $24,500 or send an offer. It comes straight to me, and I reply personally.
- You send the formNobody else sees it.
- I reply within a dayTo accept, counter or answer questions.
- We open Escrow.comNothing's binding until you sign the escrow agreement.
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