Only the current version so far — new entries appear as the app ships updates.
iGuB - Directo al ISPC is an education app by iOpos - Tecnología aplicada a las Oposiciones S.L. with 10,000+ downloads (about 21K estimated). +37 installs in the last 7 days. Released Mar 2, 2016. Install growth, rank history, SDKs and ad networks.
From the store listing: “iGuB 2.0 is the new way to prepare your opposition.”