Their claim of "a third of the cost of traditional solutions" is an apples and oranges comparison.
The basic and plus pricing options, while cheap, are practically useless with only 2 maximum attendees and the $15/user/month pro plan is hardly "a third of the cost...".
Looks like a great product with an average price point.
Skype for Business is available in all Office 365 Business plans except the software-only one (ProPlus). That includes the $5/6 plan (https://products.office.com/en-us/business/office-365-busine...) as well as the $8.25/10 plan that includes all of Office.
The basic and plus pricing options, while cheap, are practically useless with only 2 maximum attendees and the $15/user/month pro plan is hardly "a third of the cost...".
Looks like a great product with an average price point.