I'm using this app. It looks like a great app for Indian Users. Doesn't bound you to pay monthly charges and you pay as you use is best for my kind of business approach. Just work on interface a lil bit and you should have a great product for ppl like me.
t3rks Products & Services
I loved the app, it helps me in updating my customers on their recent orders and keep them updated on the status
great application and prompt support, i wanted such features long time ago as i have COD orders, thanks