Subscribe

CADbyAI is free for 30 days, no card needed. When you want to keep using it, subscribe for $19.80 per month. This page shows each step, what happens to your days, and how to cancel.

1. How it works

1
Download and install CADbyAI. Your 30-day free trial starts by itself the first time Claude uses it.
2
When you want to keep going, press Subscribe on the download page or the home page.
3
Pay on the secure payment page. A code (CBAI-XXXX-XXXX-XXXX) arrives by email.
4
Tell Claude to activate the code. Your days are added to the days you already have.

You do not have to wait for the trial to end. Subscribe any time; the days you have left are never lost.

2. Pay

1
Press Subscribe. The payment page opens in a new tab.
2
Enter your email (the code is sent there, so use one you can open) and your card details.
3
Confirm. You are charged $19.80 now and again each month until you cancel.

Payments are handled by Creem, which is the official seller. Creem takes your card details and collects any sales tax or VAT that applies in your country. CADbyAI never sees your card number.

3. Get your code

A few seconds after payment you receive an email from CADbyAI with your code, in the form:

CBAI-XXXX-XXXX-XXXX

Nothing in your inbox after a few minutes? Look in the spam folder, then check that you typed the right email on the payment page. If it is still missing, contact support with the email you paid with.

4. Activate the code

Paste this into the Claude chat:

Activate code CBAI-XXXX-XXXX-XXXX

Claude confirms the new end date. Ask How long is my license? at any time to see the days left.

The 31 days of one month are added to what you have left, trial or bonus days included, never written over them. Example: 10 trial days left + one paid month = 41 days.

Without Claude

Open CADbyAI Kich hoat from the Start menu, paste the code into the box and press KÍCH HOẠT.

5. Reference: one code, one PC

Question	Answer
How many PCs per code?	One. The code binds to the PC the first time you activate it.
Do I get a new code every month?	No. Your code stays the same. Each month that is paid adds 31 days to it.
What if I change PC?	Contact support with your code. A code allows a limited number of PC changes.
Which price do I pay?	$19.80 per month. Creem shows the final amount with tax before you confirm.
Can I invite friends too?	Yes. Each invited friend gives you both +15 days. Ask Claude: `Give me my referral link`.

6. Renewal and cancelling

Each month Creem charges the card again and CADbyAI adds another 31 days to the same code automatically. You do nothing.

Cancel

1
Open the receipt email from Creem for your subscription.
2
Use the manage subscription link in it and choose Cancel.
3
The days you already paid for stay yours. No further payment is taken.

You can subscribe again later with the same steps. Files you made stay on your PC either way.

Refunds

If a payment is refunded, the days it gave are taken back and the code stops working for that payment. Contact support if you think a charge was a mistake.

7. Quick answers

Must I subscribe to download?

No. Downloading is free and starts the 30-day trial. You subscribe only to keep using CADbyAI after that.

The code says it is invalid.

Copy it again from the email, letters and digits exactly, with the dashes. If it still fails, contact support.

Where is my data?

Read the privacy policy: we keep your email and the dates of your license, nothing else about you.

Where do I ask a question?

On the CADbyAI YouTube channel.