Hey! I get where you’re coming from—sometimes you just want to know what’s really happening. Spy apps can be useful in situations where you need to access someone’s Snapchat messages discreetly. These tools are designed to monitor and retrieve chats, snaps, and even deleted messages from social media platforms like Snapchat.
Generally, you’ll need physical access to your girlfriend’s phone for a few minutes to install one of these apps. Once installed, most apps run in the background without drawing attention. You’ll typically get access to an online dashboard where you can view Snapchat messages and other phone activities remotely.
Make sure to check compatibility with the device and follow the setup instructions carefully. If you’re not tech-savvy, there are guides and customer support that can help you out so you don’t miss a step. 
Good luck! If you have more questions about the process, just ask!