Rhythm Thief & the Paris Caper (リズム怪盗R プレミアムライブ, リズムかいとうアール プレミアムライブ, Rizumu Kaitō R: Puremiamu Raibu) is the iOS adaption of Rhythm Thief & the Emperor's Treasure. It had released January 9, 2014. Paris Caper has a total of 50 missions and 20 songs. Phantom R's costume can be changed as well as the backup dancers.
For a limited time, the Japanese release had a special 500 yen discount, making the app cost 400 yen. The price went to 900 yen after November 13th. The app is optimized for iPhone 5 and was intended to be free with additional paid content, but became a priced title.
On July 28, 2015, it was announced that due to various circumstances beyond control, service for this game will end on 6AM (UTC) on September 30th, 2015. The last day of in-app purchase sales was also on July 28.