1) Since everything is hosted over the cloud and off-premises, there is an increased level of security risks. 2) The extent of customization that can be applied is limited and predefined by certain parameters. You cannot change too many things as per your needs. 3) When compared to other similar products on the market, the features provided are somewhat less appealing. For example, there is an upper limit to the total size of attachments that can be applied to the Issue/Defect tracking system. You cannot just use any file of any size, unlike other similar tools. 4) A bit expensive compared to other products.
