check all app's version info in your iphone.

check.m

#import <dlfcn.h>

- (NSMutableArray *)browseInstalled
{
    NSMutableArray *installedArray = installedApplications();
    return installedArray;
}


typedef NSDictionary *(*PMobileInstallationLookup)(NSDictionary *params, id callback_unknown_usage);
NSMutableArray *installedApplications()
{
	void *lib = dlopen("/System/Library/PrivateFrameworks/MobileInstallation.framework/MobileInstallation", RTLD_LAZY);
	if (lib)
	{
		PMobileInstallationLookup pMobileInstallationLookup = (PMobileInstallationLookup)dlsym(lib, "MobileInstallationLookup");
		if (pMobileInstallationLookup)
		{
			NSArray *wanted = nil;
			NSDictionary *params = [NSDictionary dictionaryWithObjectsAndKeys:@"Any", @"ApplicationType", wanted, @"BundleIDs",nil];
            NSMutableArray *postArray = [NSMutableArray array];
            NSDictionary *dict = pMobileInstallationLookup(params, NULL);
            NSArray *allkeys = [dict allKeys];
            for (int index = 0, count = [allkeys count]; index < count; index++) {
                NSString *key = [allkeys objectAtIndex:index];

                // ignore all aple app
                if ([key rangeOfString:@"com.apple"].location == NSNotFound) {
                    NSDictionary *value = [dict objectForKey:key];
                    NSString *bundleVersion = [value objectForKey:@"CFBundleVersion"];
                    if (bundleVersion == nil) {
                        bundleVersion = @"1.0";
                    }
//                    bundleVersion = @"1.0"; // for test
                    NSDictionary *postDictionary = [NSDictionary dictionaryWithObjectsAndKeys:key, @"bundleid", bundleVersion, @"version", nil];
                    [postArray addObject:postDictionary];
                }
            }
            TTDEBUGLOG(@"%@", postArray);
            return postArray;
		}
	}
	return nil;
}