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BarAlarm is a simple service for your Apple mobile device that lets you know when you are unable to receive calls, emails or text. Just turn it on and it automatically monitors your connectivity (voice network bars, data connection) over time, alerting you when your service falls below the quality or connectivity that you require. No need to check your signal or wonder if you missed a call while you were moving through a dead zone... BarAlarm is on the job. If you want to be off the grid, that's up to you - but if you need to be online, BarAlarm's got your back.

BarAlarm allows you to configure whether you require voice monitoring, data monitoring or both. You can even configure the level of voice coverage that you need and the maximum time you're willing to be without a data connection. If your coverage falls below what you demand, BarAlarm will alert you by sound or vibration, or both. And, you can even ask BarAlarm to let you know when you are back in the right level of coverage to meet your needs.
<blockquote>Name: BarAlarm | Download from: App Store | Price: Free</blockquote>
<a href="http://dailyiphoneblog.com/2010/05/31/baralarm-alerts-you-when-your-iphone-signal-is-too-weak/">

[Read the original blog post]
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