In case you're using the latest Android (marshmallow) version, the alarm disabled bug in app battery saving mode has been fixed. If the alarm is still not working, turn off the Goguma app alarm in the path below: Settings-battery-battery saving mode (details)-Goguma alarm in the list You can study TOEIC, TOEFL, and general English by dictating to stop this alarm. Please check out the quick instructions before use! The instructions are really simple to follow, it really hurts us when you rate