Cydia is not available in Apple's App Store, nor is it a website: it is installed on your device using a jailbreaking tool, such as Pangu http://en.pangu.io
or TaiG http://www.taig.com/en/.
For help with jailbreaking, see /r/jailbreak on reddit http://www.reddit.com/r/jailbreak/.
Helium is the missing app sync and backup solution for Android.Helium does NOT require root. All Android users can use Helium to backup and sync Android applications.Helium lets you backup your apps and data to your SD card or cloud storage. With Helium, you can sync app data from your other Android devices-- even if they are not on the same network. Set up backup schedules with Helium, and never lose data again.tags: android-sync app-sync backup-apps
PkgBackup is a backup application for jailbroken iPhones that backs up & restores all of your Cydia apps, your Cydia sources, and even your homescreen layout. Simply sync your backup with iTunes or Dropbox- then, when you update or restore your device, bring back all of your Cydia apps by redownloading PkgBackup afterwards.tags: Jailbreak backup-and-restore backup-apps cydia-apps facebook-integration
MyBackup Pro empowers users of Android mobile devices to backup their Android's Applications, Photos, Videos, Music, and Data onto the SD Card or to the Cloud (our Online Secured Servers). In the case of a lost, damaged, reset phone, or upgraded phone, users can restore their information easily on the existing or new Android. All cloud/online data is kept private and secure.tags: backup-and-restore mobile-backup
Contacts Guard is a new way to backup all of your contacts from phone to a highly secured online cloud server from where you can transfer them to your phone.tags: backup-contacts contacts contacts-group group-sms
xBackup is a simple app that will allow you to back up your Cydia sources and installed packages. So when you have to restore your device, you can get all your apps installed automatically, without having to install them individually from Cydia.tags: Jailbreak apt backup-and-restore backup-apps cydia-apps