If you’re looking to keep track of your net worth easily, you don’t need to download an app or sign up for a new service. If you’re an iPhone, Mac, or iPad owner, you’ll be happy to know that Apple conveniently offers a really great spreadsheet for tracking your net worth, and it’s free, bundled within the Numbers app on iPhone, Mac, and iPad.

Many services exist to keep track of net worth, but some of those apps and services are being killed off (like the popular Mint service), or require subscription fees. But there’s no need to get frustrated with…