There's a new update available for Samsung Galaxy App Booster, get the latest version 3.0.35 [One UI 4.1] - RPRNA
Samsung Galaxy App Booster gets One UI 5.1 support [4.1.06 APK] - SamNews 24
Please, JUST INSTALL the new Galaxy App Booster 2.5.00.9 version! Don't know what miracle Samsung did, but it INSANELY IMPROVED performance compared to previous version! : r/galaxynote10