Data Monitor

Data Usage Monitor is a Cydia Tweak which will allow you to see how much Data you are using on your status bar. When you are not connected to WiFi, your clock on your status bar will change to how much data you're downloading. This is good if you don't have an unlimited plane and want to stay away from fees. Within the settings, you can reset it every single month as well as setting a limit to data usage. This works for EDGE, 3G, and even Tethering. Pretty useful Tweak to keep around right here. You can find Data Usage Monitor for $1.99 in the Cydia Store under the Big Boss Repo.

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