Purchasing Power Parity

Not everyone is able to pay for the default pricings of the western world. Online products should be made affordable for everyone around the world. This package is a simple way to make Purchasing Power Parity available in your browser. See how it could look like in your application for someone buying your product from another country:

How to use it?

Install:

npm install purchasing-power-parity

Use:

import fetchPPP from 'purchasing-power-parity';

let originalPrice = 99.99;
let discountPrice;

fetchPPP().then(response => {
  discountPrice = response.ppp.pppConversionFactor * originalPrice;
});

If you don't want to use this library, you can also use the API directly where you are able to pass the country code yourself. Otherwise, this library will figure out the location of the user itself.

After all, you can adjust your prices when the pppConversionFactor goes below 1 and add an optional banner for your customers to make them aware of it. What other information is in the returned PPP object?

ppp-object:

{
  "countryCodeIsoAlpha2": "AR",
  "currenciesCountry": {
    "ARS": {
      "name": "Argentine peso",
      "symbol": "$"
    }
  },
  "countryCodeIsoAlpha3": "ARG",
  "currencyMain": {
    "exchangeRate": 99.148857,
    "name": "Argentine peso",
    "symbol": "$"
  },
  "ppp": 26.526,
  "pppConversionFactor": 0.2675371234990636
}

The currencyMain.exchangeRate and ppp property are used to compute the pppConversionFactor.

Limitations

• runs only in the browser
• takes only USD as baseline

Who uses PPP?

This node package was inspired by Wes Bos who sells his courses with PPP. There are other people which make their products affordable to everyone around the world by using PPP. You can add your project/company/product/service/... to the list when you are using this package:

• Road to React
• ...

Contribution

The project is in an early stage, so please feel free to contribute to it. It works, but it could be more robust and improved. If you want to know how PPP works, you can read up this short article. I would love to see you contributing to it:

• create an Issue
• discuss with maintainers and contributors about the issue
• create a Pull Request if the issue should be solved