Invoicer is the only mobile iPhone solution that takes the trouble out of daily expense capture, managing clients & their invoices! Great for freelancers, sole proprietors, real estate professionals, contractors, accountants & more.
Popular features:
* Cash Expenses
* Mileage Expenses (i.e. GPS, Addresses, Odometer and Distance)
* Time Tracking
* Clients
* Support for creating custom categories
* Expense filtering options
* Easy Invoice creation from your phone
* Create Invoices from your phone in PDF formate
Disclaimer: Continued use of GPS running in the background can dramatically decrease battery life.