Col-reminder-3-7-5-4-build-616-apk-mod-full

Syncs with contacts to provide advance notices for birthdays. Breakdown of the File Name

The specific string you provided describes a package found on unofficial APK hosting sites: The specific software version. Build 616: The internal developer build number. col-reminder-3-7-5-4-build-616-apk-mod-full

Automatically initiates a call with one tap at a scheduled time. Syncs with contacts to provide advance notices for birthdays

Triggers notifications when you arrive at or leave a specific area. Automatically initiates a call with one tap at

This indicates the file is a "Modified" APK, typically claiming to unlock "Pro" or "Full" features (like Google Drive backup or ad removal) without paying for the official version.

Downloading "Mod" APKs from third-party sites carries significant security risks, including potential malware or data theft. The official and safe version is available on the Google Play Store . COL Reminder - Apps on Google Play