Download SPB Wireless Monitor for Android - Control Your Traffic, Save Your Money.
SPB Wireless Monitor is a complete solution for measuring data traffic via all types of connections and calculating network usage costs according to your data plan.
Features:
Per-application reports (for Android 2.2+ devices)
Cost reports
Mobile and WiFi traffic reports
Warnings when exceeding spending limits
Export to CSV
330+ pre-defined service plans
Home screen widget