Are you a stickler for good battery life? You're not the only one. Many iPhone users worry about battery life, and a great app to keep track of it all is Battery Health.
Not only does the app keep track of how much battery you have left, but it also monitors your battery's overall health. Plus, you can see if that third-party charger is doing its job, by looking at how much juice it's providing to your iPhone.
Battery Health is $1.99, which is a steal considering all of the information that the app provides you with.
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