vShare is a growing-in-popularity Installous alternative. It allows to download cracked apps on iPhone and requires AppSync to install them. One of its best advantages is the the one-click app installs which is simply fast and convenient.
TIP: In case, vShare app won't install and sync on your iPhone via iTunes, you can use iFunBox to install the vShare app. Just launch iFunbox and connect your iOS device. Go to the iFunbox Classic tab, click the Install App button, then browse for the vShare IPA file. This should install vShare to your iPhone without a hitch.