Data Master – Monitor Cellular & Wifi Data Usage (Free iPhone App)

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Data Master will manage both Cellular (4G/LTE/3G/Edge/GPRS) and Wi-Fi data usage in real time from your device. This app will let you be in control of your data usage to avoid the costly overage charges your provider may charge. Data Master monitors data usage from the device itself and is not reliant on setting up or logging into your provider’s web site.

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