This is the only free, official method, but it requires your iPhone to be brand new or factory reset.
However, you can successfully move your data using the official app during a new setup, or by using specialized third-party tools if your iPhone is already set up. Method 1: The Official Way (Move to iOS) how to download whatsapp backup from google drive to iphone
Moving your WhatsApp chat history from Google Drive to an iPhone is a common hurdle for users switching from Android to iOS. Because Android uses for backups while iPhone uses iCloud , there is no direct official way to download a backup file and "import" it into your iPhone. This is the only free, official method, but
Open the Move to iOS app on Android, enter the code from the iPhone, and select WhatsApp . Because Android uses for backups while iPhone uses
After the transfer, log in to WhatsApp on the iPhone using the same number.