Due to the way that iOS works, an AUv3 does not use the same folder as the standalone app. The AUv3's folder is not visible to users. Loopy Pro's standalone app can move projects to and from the AUv3's folder.
Keep in mind that some project features of standalone apps don't work in an AUv3. AUv3's cannot load other AUv3s.
In Loopy Pro standalone: