A simple solution with a button to start scanning and a view to demonstrate the result details from the DB may be implemented using the Ionic/PhoneGap cross-platform frameworks. The price is 400$ USD.
May consider additional functionality/features include (but not limited to) estimated separately
- extended UI (splash screen, help, credits, styling, animation)
- possibility to manage favourites (store, synchronize)
- sharing (send as a mail, etc).