All per user editions require an annual contract. If you opt for number of users which are more than the mentioned user limit of the edition, then you have to opt the next edition which supports
additional users e.g. if you are using Lite edition and require 7 user licenses, then you require to purchase all seven licenses on Express edition.
These monthly prices are the only charges you require to pay us. You are NOT required to pay any additional charges other than the mentioned prices (NO one time prices/ NO other type of prices).
However you require to pay local taxes, in addition to the mentioned prices.