I can try to explain you what dose NetGuru with an extremely long text but I'm sure you will not enjoy it (nor do I).
Here are the main features:

• Keeps a detailed log.
  
• Provides clear graphical and/or numerical display of the connection.
  
• Multi Tariffs or ISPs expenses calculation.
  
• Powerful statistics tool.
  
• Can compare alternative Tariffs or ISPs.
  
• Multi language support.
  
• Option to notify user or disconnect from the Internet automatically when network activity drops below a certain level.
  
• Multi emails accounts check.

NetGuru is the Shareware version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around  15.00USD.