Shoppers are done with manual work. If your app lacks saved payments or live...

https://future-wiki.win/index.php/Stop_the_Notification_Madness:_A_Guide_to_Reclaiming_Your_Focus

Shoppers are done with manual work. If your app lacks saved payments or live tracking, users will go elsewhere. We expect apps to remember our details to skip the password shuffle. If checkout takes ten seconds, you’ve lost the sale already.