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Please visit the iTunes app store for the UniMag Reader app and note that aside to consenting to the privacy permission and handling the potential settings issues detailing in the following knowledge base article, a consideration for specifically selecting the reader type as UniMag Pro is required when using that specific audio jack device to this demonstration software application, which by default uses the Shuttle as its reader type. That article is available here - UniMag Common Issues for iOS SDK
The Google Play Store has a few apps supporting the Unimag and a Universal SDK Demo supporting the UniPay and other devices at version 1.00. Please see this article for details on how to use the Demo on Android - UniMag Demo walk-through (Google Play app)