Will it cost me anything?
Free plan for a trial time.
This service has a free plan for a trial and then a subscription plan based on your needs as the plans below. Just try this for free and you will get mindblowing ideas on how you can do it when you have had a Zoom call, a conference or found a great video you need to be sure someone has seen and understood. In K3 you can create courses and do much more. Besides creating a quiz based on a video in a few seconds.