Powerful alarm clock is perfect for those who "Want to surely wake up!". Powerful alarm strongly supports to wake you up with the following functions. Of course all are free. ▪ Alarm will not stop unless you continuously shake your phone ▪ Rings at maximum volume. ▪ Wakes you up by vibrating the phone It will be a perfect app for the following people: "Wake me up with full efforts" "I want easy to use wake up application" "Settings should be minimum and could be used as soon as possible" Main Functions: - Multiple records of alarm - Specify the time and the day to ring alarm - Specify alarm sound - Specify snooze interval - Specify frequency to shake the phone Contact us for any queries or concerns [email protected]