• Multiple clients and projects tracking
• Define clients with associated projects, tasks, contacts, and rates
• Multiple rates for each client including fixed rate
• Customizable view with grouping by any column, sorting and filtering
• Display entries by day, week, month, or a custom period
• Optional duration granularity (minimum duration interval)
• Multiple views of data
• Handy entry copy feature for repetitive tasks for the rest of the week, to a specified date or end date
• Track billable, non-billable, billed, and paid tasks
• Customizable HTML reporting
• Export data to CSV or XML for further analysis
• CSV and XML export includes notes
• Drop lists for efficient data entry
• Optional pre-filled drop lists
• Create entries using multiple timers
• 3 custom fields
• Synchronization with TimeBiller 2.6 using ActiveSync

Desktop version is a super set of the Pocket PC TimeBiller. Notable exceptions include voice recording and ink drawing.