App serial number function added to existing app

hi, we have an existing app for colouring books, we need to have serial number recognition built into it. We would then put a serial number on each book, they input it into our app and the app is activated.

We already have the full app, just need to recognise, buy and host the serial numbers.

please say serial app to show you know


Ujuzi: Mjenzi wa App

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Kuhusu Muajiri:
( Maoni 16 ) bexhill, United Kingdom

Kitambulisho cha Mradi: #14405820

72 freelancers are bidding on average $1287 for this job


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$1116 USD kwa siku 1
(Maoni 46)

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$1500 USD kwa siku 25
(Maoni 28)

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$1057 USD kwa siku 1
(Maoni 22)

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$1500 USD kwa siku 10
(Maoni 20)

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(Maoni 26)

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(Maoni 34)

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$10000 USD kwa siku 1
(Maoni 39)

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$1116 USD kwa siku 20
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$1000 USD kwa siku 12
(Maoni 2)