NOTE: Survey123 Classic provides legacy support for Portal for ArcGIS version 10.3.1 and devices using Android 4.1 - 4.3
Survey123 Classic is a simple and intuitive form-centric data gathering app for capturing data in the field and quickly sharing it to an ArcGIS Organization.
After installing the Survey123 Classic app on your device, you can download surveys shared with you, and collect data while online or offline. The Survey123 Classic end user can easily capture location information, textual observations and even photos all from a simple form based user interface.
An ArcGIS Organizational account is required to sign-in to Survey123 Classic.