What is a Snapchat spy app?

What is a Snapchat spy app?

With the help of Snapchat spy app you can view private messages and group chats. You can read all text messages sent and received on Snapchat

Snapchat spy app can be any solution that can be installed on the target device or connected to the phone. Let's say you installed a free spy app to Monitor Snapchat with mSpy https://mspyplus.com/snapchat/ on the target device you want to track. The app continues to run in the background collecting important information available on the phone related to Snapchat.