You can manage up to 10 login accounts with free edition with some feature restrictions.
Annual Paid License with 7 days free trial :
You can manage unlimited number of login accounts.
You can also use full features provided in this extension.
It is $2.99 USD per a year, or equivalent in your currency.
To see exact amount in your currency, click on "Purchase license with 7 days free trial" button in the option page and open payment window.
* The fee will automatically be charged after 7 days of trial. If you do not want to be charged automatically, please make sure you cancel the subscription before trial period expires.