Cost: free but needs subscription. Does have basic free service.
CaseFox® is an easy to use timekeeping and billing software for law firms, attorneys, accountants, investigators, consultants and other professionals. In addition to timekeeping and billing features, CaseFox also features rule based calendaring, task management, LEDES invoicing, partner-associate fee splitting rules, trust accounting, phone message logging, accounting ledger, discovery tracking, one-click invoicing, custom fields, conflict check, client portal, secure communication with clients and more... This iOS app can be used in conjunction with CaseFox Web App using the same credentials.