Is there an app that automatically turns off data when I'm near/reached the monthly limit? I'm so tired of going like 5mb over the limit every month because sometimes I forget to turn off data when I get home. My wifi is pretty crappy at home, either it has weak signals or something wrong with the router, sometimes my phone would switch to 3G even at home because it can't detect wifi. I'm in Canada so unsurprisingly my data limit is microscopically small. I've tried multiple "data monitoring" apps like My Data Manager and Data Monitor, none of them are reliable whatsoever because none of them send me any notification/alarm when I'm near the limit, or at the limit. Unless I open the app every 2 minutes 24/7, there's no way I'll know when I'm over the limit. Edit: in the case that the appstore doesn't have any app like this, my phone is thankfully jailbroken so I'm perfectly fine with Cydia apps that does this.