Try Free – One-Time Purchase – Any Device
The Private Notebook with a Built-In Writing Agent.
Write without distraction — then let the agent work. Fix grammar, expand ideas, outline, extract tasks, detect contradictions. 19 built-in AI commands. Your data never leaves your device. Try free. Buy once. No account. No subscription.
The Problem
“I had a brilliant idea last Tuesday. I wrote it somewhere. It is gone now.”
Notes scattered across apps, browser tabs, and sticky notes. When you need that thought it has already vanished. You rebuild from memory and something is always missing.
The Resolution
One private notebook with a built-in AI writing agent. Fix grammar, expand ideas, outline, extract tasks, detect contradictions — 19 commands. Folders, tags, full search. Your data stays on your device.
19
Agent Commands
0
Data Uploaded
1x
Cost Ever
The Problem
“I do the work. Then I spend an hour on billing. Then I pay monthly for the privilege.”
Every month another subscription fee just to send invoices. Clients still pay late. Your cash flow suffers. The tool meant to help you get paid is making you poorer.
The Resolution
Professional invoices in under 60 seconds. Auto tax, multi-currency, PDF export. Pay once, use forever.
60s
Invoice Time
11
Currencies
€0/mo
Recurring Fee
The Problem
“Every app I use stores my data somewhere I cannot see or control.”
Your notes go to their server. Your invoices go to their cloud. When the tool is free, you are the product. Your client data lives in a database you never agreed to.
The Resolution
All Visual Tools run entirely in your browser. Your data saves securely to your personal key. No account. Your data. Your control.
0
Server Calls
100%
Client-Side
0
Accounts
Monthly Subscriptions
Pay Once. Yours Forever.
Software subscriptions drain money silently every month. We charge once. You get a permanent personal app link that works on any device. First year storage included — then €4.99/year to keep your data synced. No surprise fees.
Cloud Data Exposure
Your Data, Your Control
Your notes, invoices, and project boards are stored under your personal key. No one else can access them. No account means no breach. You can export your data anytime. Private by design, not by policy.
AI That Stays Private
A Thinking Partner, Not a Surveillance Tool
Most AI tools send your writing to external servers. The Notebook agent runs on your data without uploading it. Fix grammar, rewrite, outline, find contradictions, ask questions — 19 commands. Your words stay yours.