Is COL Reminder APK safe to install?

Yes, COL Reminder APK is verified and regularly updated to ensure security.

How to install COL Reminder APK?

Download the APK, enable 'Install from Unknown Sources' in settings, then install it like any normal Android app.

COL Reminder v3.7.7.3 b691
(Premium Unlocked)

January 24, 2026

App Name	COL Reminder
Publisher	Christian Grasser Softwareentwicklung und IT
Genre	Tools
Size	15M
Latest Version	3.7.7.3 b691
Source

Download (15M)

Google Play Protect may warn you that APK files from outside sources could be harmful.
If you are confident in the source, select “Install anyway (unsafe)” to proceed with installation.

Download (15M)

Google Play Protect may warn you that APK files from outside sources could be harmful.
If you are confident in the source, select “Install anyway (unsafe)” to proceed with installation.