This app was mentioned in 12 comments, with an average of 5.50 upvotes
For Android I use Loyalty Card Keychain app instead of Key Ring or Stocard. Small size, simple, no permissions, no ads, no frills. It's awesome.
I use "Loyalty card keychain", available in Google Play or F-Droid for any card with a barcode.
Loyalty Card Keychain is a nice simple (and open source) application that should fit your needs.
I've been using Loyalty Card Keychain for a while and it's nice and simple. It does have a widget, but it's only a shortcut directly to the card of your choice.
https://play.google.com/store/apps/details?id=protect.card_locker
Zoom the PDF to the correct size then screenshot it.
If you insist on an app, can I recommend Loyalty Card Keychain instead? I prefer that to Google Pay for storing barcodes on my phone. It also has the advantage of not sending your vaccination status to Google.
If anyone is looking for a loyalty card storage app after this, I found Loyalty Card Keychain. Open source, ad free, no feature bloat.
If you prefer simplicity, open source, and privacy I recommend Loyalty Card Keychain which is also on F-Droid
I personally use and recommend Loyalty Card Keychain.
Loyalty card keychain. It's open source and on fdroid
https://play.google.com/store/apps/details?id=protect.card_locker&hl=en_US
Et en respectueux de la vie privée, il y a :
https://play.google.com/store/apps/details?id=protect.card_locker
For the wallet thing, I use Loyalty Card Keychain which is dead simple to use. Not sure about the home app.