oandbackup - Make backups of selected apps on your device and restore from those backups.
iMazing - iMazing lets you transfer music, files, messages, apps and more from any iPhone, iPad, or iPod to a computer, Mac or PC. Manage and backup your iOS device simply without iTunes. (was DiskAid)
Super Backup & Restore - Super Backup & Restore app allows users to backup all their stuff such as pictures, videos, apps, text messages, contacts, call history, and calendar data, etc.
checkra1n - Jailbreak for iPhone 5s through iPhone X, iOS 12.0 and up
Tenorshare WhatsApp Transfer - Transfer/Backup/Restore WhatsApp on iPhone/Android with One Click
Blackra1n - (This is an OUTDATED jailbreaking method.)