NeetoCal allows you to show multiple durations in your booking page. In the below shown example there are three different durations shown.
Here are the steps to setup multiple durations in NeetoCal:
Login to NeetoCal.
On the meeting links page , click on the meeting link for which you want to set multiple durations.
On the What page here, you’ll have the option to specify multiple durations.
Enable the toggle Let the client select the duration of the meeting.
Enter the desired duration (e.g., 15, 30, 45 minutes); you can add multiple options as needed.
You can select a duration to set as default.
After adding the preferred durations, scroll down and click Save to apply these changes.