Alarm Clock by doubleTwist has been downloaded and set up by over 100K users and its most recent update is dated Nov 8, 2017. The statistics show that this application is popular mostly among Samsung and Lenovo users. It's free of charge to download the installation package of Alarm Clock by doubleTwist, also, you can have a look at users' reviews on Droid Informer. The app runs on Android 4.1 and higher.
Some users mention that the app boasts such strong sides as an elegant interface, a good price, simple functionality, great performance, battery optimization and great support. As users state, the main drawbacks of this application are update errors, persistent notifications and annoying advertising.