The Offer Up app is available for download on the respective app store of a user's mobile operating system. A user needs to visit the app store and search it using the store's search function.
On a device running on Android OS, the Offer Up app is available on the Google Play store. To download the app, click on the Install button to download and install the app to the device. On a device running on iOS, the app is available on the iTunes store. The app is also available on other third party websites, but it is recommended to download only from official app stores, as downloading from other websites is possibly harmful to the device.