Please switch to the full version, it's free now: ).
According to the antivirus report, this application is safe and secure. Slintes is the developer of the app that can be found in the Tools category. Google Play displays that Calendar Colors TRIAL is rated 2.9 by its users.
The most recent update of the app was released on Dec 29, 2018 and this application was downloaded by over 10K users. Use the opportunity to get the .apk file of Calendar Colors TRIAL 3.1 free of charge and have a look at users' reviews on Droid Informer. The installation package requires 925 KB on disk and it runs on Android devices 4.1 and higher.