There are quite a few tutorials on how to access crash reports using a computer, but what I would like my app to do is scan for crash reports (from itself) on startup--so that u
You can get them using your itunes connect account
When the user synchronizes their device using iTunes, crash reports are copied to a
directory on the user's computer. If the application was distributed via the App Store and
the user has chosen to submit crash logs to Apple, the crash log will be uploaded and the
developer can download it via iTunes Connect.
You can also use Crittercism which directly sends you an email once a crash happens.
Another proprietary (but free) framework you can use for crash reporting is Crashlytics.
PLCrashReporter is an open source crash reporting framework that can be added to an iOS App. Reports are generated in protobuf encoded format, which should allow an app to upload these reports to a server.
Take a look at these few resources that may have the solution you need: