There is a lot of difference between Crystal reports an Cognos Report net.

1.Crystal report is a product of Business Objects where as Reportnet is of cognos.

2.Cryatal reports is for only low 2 midrange analysis and that to some even says tha they wont use this for analysis used to make proper strategic decision But report net yes it is for high end analysis.

3.In reportnet we can login through web and can create our own desired report through web.