Quick notes
Keep your talking points, reminders and useful information immediately accessible.
A LITTLE SPACE FOR YOUR THOUGHTS
Private notes.Right where you need them.
Your notes, your voice, a little AI. A lightweight Windows utility that keeps useful things close — and lets you focus on your work.
Buy once. Use forever. €2 · One-time license
A valid license is required to use Invisible Notes AI.
Built for WindowsNo subscriptionYour own API key
A quieter way to work
Windows+
A little clarity, always close.
Keep your talking points, capture a thought, and stay in the flow.Invisible Notes AI
A MOMENT TO FOCUS
A few things to keep in mind
- Start with the bigger picture.
- Leave room for good questions.
- Make the next step a simple one.
Your space. Your pace.
Illustrative interface · not a screenshot of the released app
LESS FRICTION. MORE FOCUS.
Small utility. Thoughtful details.
Just the tools you need, right alongside the work you do.
Screen-sharing aware
Designed to stay hidden from supported screen-sharing workflows.
Listen
Use your microphone for speech-based interaction without breaking your flow.
Your language
Select the language used by speech recognition in the app.
Optional AI assistance
Connect your own OpenAI API key when you want a little extra help.
Light by design
A focused Windows desktop utility without unnecessary complexity.
Screen-sharing behavior depends on your Windows version, sharing software, capture method and future third-party updates. Test your setup before relying on it.
FROM DOWNLOAD TO DONE
A few steps. Then it’s yours.
No account to create. No subscription to manage.
- 01
Download
Get the Windows app, freely.
- 02
Buy your license
Pay €2 once through Stripe.
- 03
Check your inbox
Receive your manually issued key.
- 04
Enter your key
Add the license inside the app.
- 05
Make yourself at home
Open your notes. Get to work.
Your license key will be sent to the email address used during checkout. License delivery is handled manually, after payment verification. The license is sent manually to the email address provided at checkout within 10 minutes after successful payment.
OPTIONAL, BY DESIGN
Your AI. Your API key.
Bring your own OpenAI API key to add AI assistance to your workflow. Prefer just notes? Leave it disconnected.
How to connect OpenAIInvisible Notes AI€2 · One-time license
OpenAI APIBilled separately by OpenAI
OptionalThe €2 license does not include OpenAI API credit, ChatGPT Plus, ChatGPT Pro or free API usage.
Invisible Notes AI is an independent product and is not affiliated with, endorsed by, or sponsored by OpenAI. OpenAI, ChatGPT and the OpenAI API are third-party services.
ONE LICENSE. ONE SIMPLE PRICE.
Buy once.
Use forever.
A small price for a little more focus.
One payment. No automatic expiry. Future updates, ongoing support and future compatibility are not promised indefinitely.
Invisible Notes AILICENSE
€2One-time license
- No subscription
- License does not expire
- Windows application
- Optional OpenAI integration
- Download anytime
Secure payment through Stripe
Your license key will be sent to the email address used during checkout.
GOOD QUESTIONS
A little more clarity.
Everything else you might want to know.
Still have a question?
Get in touchWhat is Invisible Notes AI?
A lightweight Windows desktop utility for quick notes, discreet workflows, speech recognition and optional OpenAI assistance.
How much does it cost?
The software license costs €2, paid once. The installer is free to download. OpenAI API usage is billed separately by OpenAI.
Is this a subscription?
No. There are no recurring license payments or automatic renewals.
What does “Buy once. Use forever.” mean?
One payment. No automatic expiry. Future updates, ongoing support and future compatibility are not promised indefinitely.
Can I download the app before buying?
Yes. The installer is public and does not require payment or an account. You still need a valid license to use the app.
Why can I download it without paying?
You buy a software license, not access to the download. Licensing is checked inside the Windows application.
Can I use the app without a license?
A valid license is required to use Invisible Notes AI.
How will I receive my license?
Your license key will be sent to the email address used during checkout. License delivery is handled manually, after payment verification. The license is sent manually to the email address provided at checkout within 10 minutes after successful payment.
How many computers can I use my license on?
Each license permits use on one device. A separate license is required for each additional device.
Can I transfer my license to another computer?
The license cannot be transferred to another device. Use on a different device requires a separate license.
What Windows versions are supported?
Windows 11. x64.
Does it work with screen sharing?
Designed to stay hidden from supported screen-sharing workflows. Screen-sharing behavior depends on your Windows version, sharing software, capture method and future third-party updates. Test your setup before relying on it.
Is it invisible in every screen-sharing application?
No universal invisibility is promised. Test with the actual sharing or recording software and capture mode you intend to use, including after updates.
Does Invisible Notes AI require OpenAI?
No. OpenAI integration is optional. Only features that use OpenAI need your API key, internet access and an OpenAI API billing setup.
How do I create an OpenAI API key?
Create a secret key on the official OpenAI platform, configure API billing as needed, and enter the key only in the desktop app. Follow our step-by-step guide.
Connect OpenAIDo I need ChatGPT Plus?
No. A ChatGPT subscription is separate from API access and does not replace API billing. The app license includes neither ChatGPT Plus nor ChatGPT Pro.
Is OpenAI API usage included in the €2 price?
The €2 license does not include OpenAI API credit, ChatGPT Plus, ChatGPT Pro or free API usage.
Where do I enter my OpenAI API key?
Only in the AI / OpenAI settings of the Windows app. This website never asks for, receives or stores your API key. Do not send it to support.
Windows SmartScreen shows a warning. What should I do?
New, uncommon or unsigned software may trigger SmartScreen. Keep Windows security enabled. Verify the download source and publisher; if in doubt, stop and contact support. Do not run a file you cannot verify. The configured release is not code-signed.
How do I contact support?
Visit the contact page. For a purchase query, include your payment date and receipt reference, but never card details, license keys or API keys.
ContactCan I request a refund?
Yes. Contact support to request a withdrawal or report non-conforming software. Your statutory rights are preserved. Read the refund and withdrawal policy for the applicable conditions.
Refunds & withdrawalKeep your thoughts close.
Simple. Focused. Private. A little space to do your best work.
A valid license is required to use Invisible Notes AI.