Bhim app is really useful app in todays genaretion.this is the dream project of our prime minister narendra modi ji.i love this, l also use this app last 3 months.
Concept: the main concept are that for this app is cashless india and digital india programe.the payment made by through digitally and quickly and sceure.
Layout and design: this app layout is good but I think next time try to better layout update, and design is good but not very happy.i think more work to done for design and layout.but overall the app is user friendly app.
Features/function: this is a digital payment made app.the main feature is that this app is connect to bank account like a bank upi app and made payment via phone number or via imps etc.and also we are update our account balance, statement etc.
Usefulness: this app is truely useful but many work to do by devlopers.i think they do better and better, and one time I think this app main useful app done in india by digital cash payment.