If you actually read the FAQ on the website (https://www.butterflynetwork.com/pricing https://www.butterflynetwork.com/pricing) you'll see that you don't need a

If you actually read the FAQ on the website (https://www.butterflynetwork.com/pricing https://www.butterflynetwork.com/pricing) you'll see that you don't need a license to continue using the product: > Your Butterfly iQ will remain functional even without a subscription. You can continue to scan in all 19 applications, but will not be able to upload new images. You will have full access to all images in the cloud that were previously saved.