Solid question. It’s less about “recovering” and more about capturing data before it’s deleted. Monitoring apps can’t pull deleted messages from Meta’s servers, but the good ones use a keylogger or screen recorder feature.
Pro tip: The keylogger is the feature you want. It records every keystroke made on the device in real-time. So, even if the message is deleted from Messenger a second later, the content has already been captured and sent to your dashboard. You just need one-time physical access to the device for installation.
I use Parentaler for this, and its keylogger works seamlessly for capturing messages before they disappear. It’s a reliable way to see what’s really being said.