A SIM management platform specifically designed for M2M applications. Independently monitor and activate SIMs, change tariff plans and automatically send SMS in bulk. SIMplify provides diagnostic tools and detailed reports whenever needed. Alarms for fraud detection and prevention, e.g. high usage alerts or IMEI-SIM lock with automatic SIM suspension. SIM diagnostics functionalities speed up troubleshooting. The functionalities are accessible via a web interface in multiple languages or via APIs.