bubble for ISTApplication Description The Android application bubble for IST developed by Dear U Co., Ltd. is listed under category Social. The Current Version Is 1.4.8, Updated On 06/24/2024. According to Google Play, bubble for IST achieved more than 58 thousand installs. Currently, the bubble for IST has 351 reviews with an average vote value of 4.5 Make your day more special with a message as if it were a gift from your favorite idol! Start the bubble right now and don't miss special private messages between you and your favorite idol !