# Building Your App When you've created your killer app, it's time to launch it on the app store and watch the dollars roll in. If only it were that simple eh? Fortunately, building your app with Expo *is* simple. You don't need to wrestle with developer certificates and native IDEs. [**Follow the latest build instructions from Expo.**](https://docs.expo.dev/build/setup/) Now you can submit your app to the [iOS](https://developer.apple.com/ios/submit/) and [Play stores](https://support.google.com/googleplay/android-developer/answer/113469?hl=en-GB) hassle-free. {% hint style="danger" %} Each time you upload a new build you will need to increment the version numbers in `/app.json` {% endhint %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.usegravity.app/gravity-native/building-your-app.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.