Shell APK 7.1.0

4 stars: after recent update. the app still not showing the pump price. is it very hard to fix it? the pricing was working several month ago. yes. still no price. I'm in Canada. Today is Feb 11, 2019. The price function works again. Thanks!
3 stars: It's a bit unreliable. Be prepared to arrive at a filling station to find that the app won't display your bar code. You'll hold up a queue while you try shutting down and restarting the app, which may work. You might find on another occasion, like today, that it fires up and says \
3 stars: Great when it works as avoids having to queue in the shop to pay for petrol. However the last few times months app failed informing me that there are technical issues and telling me to go into the shop, resulting in me standing there at the pump faffing about with the app wasting time. I'll give it another chance, but if it doesn't work next time I will uninstall as the app will be useless to me.
4 stars: App/process tells me how much I've spent at the pump but insists on pre-authing a previously agreed (guessed) amount and refunding later; surely in this tech age we can charge \
3 stars: The app has everything I need.. Well, everything except one crucial thing. Fuel locations. While there is a Shell station locator, I can't filter out stations with V-Power Racing (100 octane), because there isn't such option! One time I was left with 10km range, got to the closest fuel station, and on top of them not having the fuel I need for