How to Build an App From Google Sheets

We'll start by scoping your project and sending you a proposal. As soon as it has been approved, we'll start working on a wireframe which takes around a week. We'll jump on a call with you to make sure the wireframe represents your needs. When we get your approval for the wireframe, we start building your app. Depending on the complexity, it might take 1-3 weeks.
So, basically, it'll take around a month.