Free iPhone app: https://itunes.apple.com/us/app/ar-flashcards/id502903392?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/ar-flashcards/id502903392?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.mitchlehan.arflashcardsaa
Free Android Phone app: https://play.google.com/store/apps/details?id=com.mitchlehan.arflashcardsaa
Free Android Tablet app: https://play.google.com/store/apps/details?id=com.mitchlehan.arflashcardsaa
Paid iPad app: https://itunes.apple.com/us/app/star-walk-hd-astronomy-guide/id363486802?mt=8&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/star-walk-astronomy-guide/id295430577?mt=8&at=10l6SU
Paid Android Phone app: https://play.google.com/store/apps/details?id=com.vitotechnology.StarWalk
Paid Android Tablet app: https://play.google.com/store/apps/details?id=com.vitotechnology.StarWalk