DU Caller vs MassCert
A side-by-side look at DU Caller and MassCert. For an in-depth review of either product, follow the links below.
DU Caller
Security & Privacy
DU Caller is a free app that helps identify and block spam calls. It has a community-driven spam call database and can automatically block known spam numbers.
spam-call-blockingcall-identificationcommunity-reports
MassCert
Network & Admin
MassCert is an open-source mass notification system software designed to send alerts and notifications to groups of people via email, phone, SMS text messages, mobile app push notifications, and other channels. It helps organizations reach groups during emergencies or for routine communications.
alertsnotificationsmass-notificationemergency-communications
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