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This option is already available, just not from the app settings. You Have to go in your Android Settings=>Apps=>BuyMePie! there you can disable all notifications.

"Make Text Field Bigger" is the translation from german into english.

Really needed for Android Tablets!

You'd have to be able to choose from which list the count comes.

The nicest option would be that the app learns the order in which you cross off items and sorts it this way the next time. After shopping a couple of times there would be the perfect "automatic order".