Green Receipts

Green Receipts is an app that allows users to take a picture of their grocery receipt and instantly see the carbon footprint of their purchase.

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Inspiration

Our app aims to provide users with an easy and convenient way to see the environmental impact of their grocery purchases and make more sustainable choices.

Features

  • take a picture of a grocery receipt and instantly see the carbon footprint of the purchase
  • track the user's carbon footprint over time, so they can see how their choices are impacting the environment
  • highlight the most and least environmentally-friendly products in the receipt so the user can make informed choices

How we built it

  • extract relevant data from the receipt using OCR
  • query a database of products and their corresponding carbon footprints to calculate the total carbon footprint of the purchase

Challenges we ran into

  • ensuring that our carbon footprint estimations are accurate for the wide range of products available in a grocery store
  • smooth integration of camera in app
  • Devpost is banned in Egypt

Accomplishments that we're proud of

  • made a phone call and managed to obtain access to a database with a detailed breakdown of carbon emissions
  • organizing ourselves in a hybrid team

What we learned

  • Android development
  • interacting with APIs
  • moving from design to fully functional MVP

What's next for Green Receipts

  • recommendations for more sustainable product alternatives
  • integrating price data
  • adaptation to specific grocery store websites to get more accurate estimates
  • leaderboard

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