Sheets is essentially a cloud based version of Microsoft Excel. Sheets is free to use when you sign up for a Gsuite account. It has close to the same functionality as any other spreadsheet, but with the added benefit of being stored in the cloud and providing the ability for multiple people to collaborate on the same spreadsheet in real-time. Sheets is great if you work on multiple devices or are collaborating with colleagues. It doesn’t however have any advanced functionality for relationship building, reporting, automation, insights, etc…