1
vote
1answer
101 views

Minimum amount of friction to take mobile donation (or payments)?

I'm building a web app for a nonprofit, and one of the most important pieces will be the ability to take payments via mobile. I've never dealt with mobile-specific payments before, so I'd like to tap ...
6
votes
1answer
221 views

Account activation in mobile app

I'm designing iphone app which allows users to pay bills. To use this app the user should register and activate their account via e-mail. And here is the problem: Which model I have to choose for the ...