How the AI Brain runs on your device — and never phones home
"AI-powered" almost always means "we send your data to a server." Prevon's AI runs isolated on-device, with no code path to the internet at all.
The Prevon TeamAI
Blog
How Prevon works.
Engineering and security reasoning behind Prevon. Explainers on design, on-device AI, and why the details matter.
Featured
Start here.
Zero-knowledge: what it actually means, in plain language
"Zero-knowledge" gets thrown around a lot in privacy marketing. Here is the precise, checkable definition — and a simple test to catch the fakes.
The Prevon TeamAI
Your notes app sends your content to the cloud. Here is the problem.
One design decision — send your words to a server first — is the entire privacy problem with most "smart" notes apps. It is also completely avoidable.
The Prevon TeamAI
The Prevon TeamAI
Cloud & Sync · Privacy
Paying us for Pro does not tell us which vault is yours
Most subscriptions tie usage directly to a billing identity. That link is exactly what makes anonymous cloud storage meaningless. Here is how we cut it.
The Prevon TeamAI
Cloud & Sync · Security
Nothing about your encrypted backup should look like anything
A perfectly locked box still gives something away if it is a suspicious size or shape. Here is why we care about that, and how we are closing it.
The Prevon TeamAI
Cloud & Sync · How it works
Every device keeps its own diary — not one shared list of everything you own
Most sync tools solve "multiple devices, one account" with a shared master list on a server. That list is a liability. Here is what we do instead.
The Prevon TeamAI
Cloud & Sync · How it works
No directory. Just math: how your Recovery Seed finds your notes
If there is no folder with your name on it, how does the app find your own notes? The same way a crypto wallet finds your funds — with a formula, not a lookup table.
The Prevon TeamAI
Privacy
How we make money without selling your data
If a privacy app is free, something is usually paying for it — often you, in ways you can't see. Here is exactly where Prevon's revenue comes from instead.
The Prevon TeamAI
Privacy
Not all privacy tools are the same — here is how to actually check
"We take your privacy seriously" is printed on nearly every privacy policy, including the ones that don't. Here is how to actually check the claim.
The Prevon TeamAI
AI · Privacy
The Audit Trail: what the AI shows you every time it touches your notes
Most AI features are a black box — you see results, never reasoning. Prevon's AI leaves a plain-language receipt for everything it touches.
The Prevon TeamAI
How it works
One app, every platform — and what that decision actually costs
Five apps that share one real security model is much harder to build than five apps that just look the same. Here is why we chose the harder path.
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