Expenso - Worldwide Version app for iPhone and iPad
Expenso helps you track all the expenses during your vacation, business trip or any purpose.
You can save these expense reports for yourself reference as well as share them to the boss or someone else who he is expecting to claim the reimbursement. (Claiming money process is not included in this application. It should be done manually in person or via other apps)
As an approver, you can also access this app to receive the expense reports and review them. You can also put the comments or reject it.