Dear users,
Today, we are very happy to announce RaiDrive Professional Edition and appreciated for the interests and supports of you. 
We have been spent all our efforts 
to satisfy several kinds of requests from users and proudly release RaiDrive Professional Edition as a faithfully satisfying software. Professional Edition is a flexible 
monthly subscription type which has 7 days free trial.
However, RaiDrive Standard Edition will be always for free to provide & share a convenient experience for cloud storages and NAS. 
Best Regards,
RaiDrive