Jihosoft WhatsMate - Jihosoft WhatsMate is an all-in-one WhatsApp manager for both Android & iOS users. It enables you to backup&restore WhatsApp, recover deleted WhatsApp data, and transfer WhatsApp files between Android and iPhone.
oandbackup - Make backups of selected apps on your device and restore from those backups.
Tenorshare WhatsApp Transfer - Transfer/Backup/Restore WhatsApp on iPhone/Android with One Click
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.
WhatsApp Extractor - WhatsApp Extractor for iPhone extracts and recovers shared photos, profile photos, videos, audio notes, whatsapp chat conversations, group conversations,shared locations and whatsapp contacts from your iPhone backup.
iMyFone iTransor for WhatsApp - iMyfone iTransor for Whatsapp is the best transfer tool which can help you transfer Whatsapp cross-device.