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Developer: Chris Strode
Price: £6.99 ($10)
Compatibility: iPhone, iPod touch and iPad. Requires iOS 4.3 or later.
Migrating from desktop-only invoicing software, Invoice2go is a useful mobile application for creating customized invoices on your travels. The app includes over 20 templates for invoices, estimates, memos and purchase orders among others, the automatic calculation of costs, and can track customer payment for you.
In addition, a feature I particularly like is the addition of PayPal buttons to your invoices, which lets customers pay you directly through PayPal.
Files can be sent onwards via email or as .pdf files.
Via: Apple App Store