Expert Invoice helps users create beautiful PDF invoices right on their phone. With automatic invoice numbering, multiple identities, 6 sorting options, batch CSV export, timers and Dropbox backup, Expert Invoice has all the features required to efficiently run a small business and get paid. The app lets users create clients, identities, good & services, taxes and timers to help facilitate quick-n-easy invoice creation to save time and money.
CoreDatais used for persistence
DropboxSDKis used for linking with users’ Dropbox account to backup the entire application’s contents
AddressBookC framework is used to help users quickly populate client information
CoreGraphicsis used to render beautiful, multi-page PDFs
- A custom implementation of the sidebar menu was developed for the app’s main navigation
- A custom regular expression-based system was developed for allowing users to provide their own phone number formatting template