Digit-Eyes does work better on newer iPhones, which have better cameras.
it also works better on older iPhones with light cases (i.e., battery
cases that also include a torch you can switch on to pretend you have
flash).
I wouldn't expect bar codes to include expiration dates. Bar codes lead
to information about the product. Expiration dates are associated with
specific product lots.
I don't use Digit-Eyes, so I can't comment on bardes for prescription
drugs. I would think making a label would be better anyway since the bar
code wouldn't include information that's specific to you, like how many
times a day you need to take it or whether your physician thinks you
should take it in the morning or at night.
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