Bee is available for purchase via the Mac App Store.
It costs USD 29.99.
A free and fully functional 30-day trial is available for download here.
An alternative to purchasing through the Mac App Store is via the Neat.io Online Store.
Bee is the same functionally whether it is purchased via the Mac App Store or the Online Store.
The only difference is that with the direct version, you may receive updates faster as it does not have to go through Apple's review process.
If you would like to purchase multiple licenses of Bee, you can do so via the Neat.io Online Store.
There are volume discounts available in the Online Store if you purchase 5 or more licenses for Bee.