Thank you for The reply - we are use best one like Moon Invoice - http://www.mooninvoice.com

Hi,
I recommend you to take a look at bpm'online sales (www.bpmonline.com/sales ) - a cloud based CRM that drives efficient sales processes and provides a consistent user experience no matter what device you use: phone, tablet, desktop or laptop, so you can do your business everywhere. Bpm’online provides a native mobile app at no additional charge and supports Windows Phone and Windows 8.1-operated devices, iOS and Android-based devices. You can issue invoices using standard templates, system will remind an owner when the payment date approaches, which allows better control over the payments. You can try bpm’online solutions for free with no credit card involved - https://www.bpmonline.com/sales-demo

Hi there..
Here is a good free invoicing, expenses app - https://www.waveapps.com/ - you can download their mobile apps which lets you create invoices and a separate app for taking pictures of your receipts and have your expenses appear in the web/mobile app.
Regards
Sanjeev Arora
CEO/Founder
www.Tabillo.com