Mobile app for checking account stats

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I'd love to have a mobile app which made it super simple to scan my account stats (requests, delivered, opens, clicks,bounces, unsubs, blocks etc). I have an iPhone so a native iPhone app would be nice, but equally it could be a web app designed for any mobile with a decent browser. I've been logging in to the site on the iPhone, but it isn't really optimized for devices with that little screen real estate. I guess the other advantage of a native app is the ability to store login credentials...security can be an issue so it might also have the ability to set a PIN for the app itself (this is how my Adsense stats app works).